id	sid	tid	token	lemma	pos
fcis-7516	1	1	frontiers	frontier	NOUN
fcis-7516	1	2	in	in	ADP
fcis-7516	1	3	computing	computing	NOUN
fcis-7516	1	4	and	and	CCONJ
fcis-7516	1	5	intelligent	intelligent	ADJ
fcis-7516	1	6	systems	system	NOUN
fcis-7516	1	7	issn	issn	VERB
fcis-7516	1	8	:	:	PUNCT
fcis-7516	1	9	2832	2832	NUM
fcis-7516	1	10	-	-	SYM
fcis-7516	1	11	6024	6024	NUM
fcis-7516	1	12	|	|	NOUN
fcis-7516	1	13	vol	vol	NOUN
fcis-7516	1	14	.	.	PROPN
fcis-7516	2	1	3	3	NUM
fcis-7516	2	2	,	,	PUNCT
fcis-7516	2	3	no	no	INTJ
fcis-7516	2	4	.	.	NOUN
fcis-7516	2	5	2	2	NUM
fcis-7516	2	6	,	,	PUNCT
fcis-7516	2	7	2023	2023	NUM
fcis-7516	2	8	78	78	NUM
fcis-7516	2	9	kerberos	kerbero	NOUN
fcis-7516	2	10	authentication	authentication	NOUN
fcis-7516	2	11	protocol	protocol	NOUN
fcis-7516	2	12	implementation	implementation	NOUN
fcis-7516	2	13	based	base	VERB
fcis-7516	2	14	on	on	ADP
fcis-7516	2	15	dhr	dhr	PROPN
fcis-7516	2	16	atypical	atypical	ADJ
fcis-7516	2	17	construct	construct	NOUN
fcis-7516	2	18	tingan	tingan	PROPN
fcis-7516	2	19	zhang	zhang	PROPN
fcis-7516	2	20	cyberspace	cyberspace	PROPN
fcis-7516	2	21	security	security	PROPN
fcis-7516	2	22	academy	academy	PROPN
fcis-7516	2	23	,	,	PUNCT
fcis-7516	2	24	chengdu	chengdu	PROPN
fcis-7516	2	25	university	university	PROPN
fcis-7516	2	26	of	of	ADP
fcis-7516	2	27	information	information	NOUN
fcis-7516	2	28	technology	technology	PROPN
fcis-7516	2	29	,	,	PUNCT
fcis-7516	2	30	chengdu	chengdu	PROPN
fcis-7516	2	31	610225	610225	NUM
fcis-7516	2	32	,	,	PUNCT
fcis-7516	2	33	china	china	PROPN
fcis-7516	2	34	.	.	PUNCT
fcis-7516	3	1	abstract	abstract	PROPN
fcis-7516	3	2	:	:	PUNCT
fcis-7516	3	3	as	as	ADP
fcis-7516	3	4	a	a	DET
fcis-7516	3	5	commonly	commonly	ADV
fcis-7516	3	6	used	use	VERB
fcis-7516	3	7	identity	identity	NOUN
fcis-7516	3	8	authentication	authentication	NOUN
fcis-7516	3	9	protocol	protocol	NOUN
fcis-7516	3	10	,	,	PUNCT
fcis-7516	3	11	the	the	DET
fcis-7516	3	12	kerberos	kerberos	PROPN
fcis-7516	3	13	authentication	authentication	NOUN
fcis-7516	3	14	protocol	protocol	NOUN
fcis-7516	3	15	uses	use	VERB
fcis-7516	3	16	a	a	DET
fcis-7516	3	17	symmetric	symmetric	ADJ
fcis-7516	3	18	password	password	NOUN
fcis-7516	3	19	system	system	NOUN
fcis-7516	3	20	,	,	PUNCT
fcis-7516	3	21	which	which	PRON
fcis-7516	3	22	has	have	VERB
fcis-7516	3	23	significant	significant	ADJ
fcis-7516	3	24	efficiency	efficiency	NOUN
fcis-7516	3	25	advantages	advantage	NOUN
fcis-7516	3	26	but	but	CCONJ
fcis-7516	3	27	also	also	ADV
fcis-7516	3	28	brings	bring	VERB
fcis-7516	3	29	risks	risk	NOUN
fcis-7516	3	30	such	such	ADJ
fcis-7516	3	31	as	as	ADP
fcis-7516	3	32	password	password	NOUN
fcis-7516	3	33	guessing	guessing	NOUN
fcis-7516	3	34	and	and	CCONJ
fcis-7516	3	35	replay	replay	NOUN
fcis-7516	3	36	attacks	attack	NOUN
fcis-7516	3	37	.	.	PUNCT
fcis-7516	4	1	some	some	DET
fcis-7516	4	2	existing	exist	VERB
fcis-7516	4	3	research	research	NOUN
fcis-7516	4	4	combines	combine	VERB
fcis-7516	4	5	public	public	ADJ
fcis-7516	4	6	key	key	ADJ
fcis-7516	4	7	cryptography	cryptography	NOUN
fcis-7516	4	8	with	with	ADP
fcis-7516	4	9	kerberos	kerbero	NOUN
fcis-7516	4	10	to	to	PART
fcis-7516	4	11	greatly	greatly	ADV
fcis-7516	4	12	enhance	enhance	VERB
fcis-7516	4	13	its	its	PRON
fcis-7516	4	14	security	security	NOUN
fcis-7516	4	15	,	,	PUNCT
fcis-7516	4	16	but	but	CCONJ
fcis-7516	4	17	the	the	DET
fcis-7516	4	18	large	large	ADJ
fcis-7516	4	19	amount	amount	NOUN
fcis-7516	4	20	of	of	ADP
fcis-7516	4	21	computation	computation	NOUN
fcis-7516	4	22	required	require	VERB
fcis-7516	4	23	for	for	ADP
fcis-7516	4	24	public	public	ADJ
fcis-7516	4	25	-	-	PUNCT
fcis-7516	4	26	private	private	ADJ
fcis-7516	4	27	key	key	ADJ
fcis-7516	4	28	cryptography	cryptography	NOUN
fcis-7516	4	29	leads	lead	VERB
fcis-7516	4	30	to	to	ADP
fcis-7516	4	31	lower	low	ADJ
fcis-7516	4	32	efficiency	efficiency	NOUN
fcis-7516	4	33	.	.	PUNCT
fcis-7516	5	1	this	this	DET
fcis-7516	5	2	paper	paper	NOUN
fcis-7516	5	3	proposes	propose	VERB
fcis-7516	5	4	a	a	DET
fcis-7516	5	5	solution	solution	NOUN
fcis-7516	5	6	that	that	PRON
fcis-7516	5	7	uses	use	VERB
fcis-7516	5	8	the	the	DET
fcis-7516	5	9	dhr	dhr	PROPN
fcis-7516	5	10	non	non	ADJ
fcis-7516	5	11	-	-	ADJ
fcis-7516	5	12	typical	typical	ADJ
fcis-7516	5	13	construction	construction	NOUN
fcis-7516	5	14	to	to	PART
fcis-7516	5	15	provide	provide	VERB
fcis-7516	5	16	dynamism	dynamism	NOUN
fcis-7516	5	17	and	and	CCONJ
fcis-7516	5	18	randomness	randomness	NOUN
fcis-7516	5	19	to	to	ADP
fcis-7516	5	20	the	the	DET
fcis-7516	5	21	kerberos	kerberos	PROPN
fcis-7516	5	22	authentication	authentication	NOUN
fcis-7516	5	23	protocol	protocol	NOUN
fcis-7516	5	24	to	to	PART
fcis-7516	5	25	improve	improve	VERB
fcis-7516	5	26	its	its	PRON
fcis-7516	5	27	security	security	NOUN
fcis-7516	5	28	while	while	SCONJ
fcis-7516	5	29	minimizing	minimize	VERB
fcis-7516	5	30	efficiency	efficiency	NOUN
fcis-7516	5	31	losses	loss	NOUN
fcis-7516	5	32	.	.	PUNCT
fcis-7516	6	1	experimental	experimental	ADJ
fcis-7516	6	2	results	result	NOUN
fcis-7516	6	3	show	show	VERB
fcis-7516	6	4	that	that	SCONJ
fcis-7516	6	5	the	the	DET
fcis-7516	6	6	improved	improved	ADJ
fcis-7516	6	7	protocol	protocol	NOUN
fcis-7516	6	8	can	can	AUX
fcis-7516	6	9	resist	resist	VERB
fcis-7516	6	10	attacks	attack	NOUN
fcis-7516	6	11	while	while	SCONJ
fcis-7516	6	12	ensuring	ensure	VERB
fcis-7516	6	13	efficiency	efficiency	NOUN
fcis-7516	6	14	.	.	PUNCT
fcis-7516	7	1	keywords	keyword	NOUN
fcis-7516	7	2	:	:	PUNCT
fcis-7516	7	3	kerberos	kerbero	NOUN
fcis-7516	7	4	;	;	PUNCT
fcis-7516	7	5	dhr	dhr	PROPN
fcis-7516	7	6	atypical	atypical	ADJ
fcis-7516	7	7	construction	construction	NOUN
fcis-7516	7	8	;	;	PUNCT
fcis-7516	7	9	symmetric	symmetric	ADJ
fcis-7516	7	10	password	password	NOUN
fcis-7516	7	11	;	;	PUNCT
fcis-7516	7	12	password	password	NOUN
fcis-7516	7	13	guessing	guessing	NOUN
fcis-7516	7	14	.	.	PUNCT
fcis-7516	8	1	1	1	X
fcis-7516	8	2	.	.	X
fcis-7516	8	3	introduction	introduction	NOUN
fcis-7516	8	4	kerberos	kerberos	PROPN
fcis-7516	8	5	authentication	authentication	NOUN
fcis-7516	8	6	protocol	protocol	NOUN
fcis-7516	8	7	is	be	AUX
fcis-7516	8	8	considered	consider	VERB
fcis-7516	8	9	as	as	ADP
fcis-7516	8	10	a	a	DET
fcis-7516	8	11	mature	mature	ADJ
fcis-7516	8	12	and	and	CCONJ
fcis-7516	8	13	well	well	ADV
fcis-7516	8	14	-	-	PUNCT
fcis-7516	8	15	performing	perform	VERB
fcis-7516	8	16	authentication	authentication	NOUN
fcis-7516	8	17	system[1	system[1	PROPN
fcis-7516	8	18	]	]	X
fcis-7516	8	19	,	,	PUNCT
fcis-7516	8	20	which	which	PRON
fcis-7516	8	21	is	be	AUX
fcis-7516	8	22	based	base	VERB
fcis-7516	8	23	on	on	ADP
fcis-7516	8	24	ticketing	ticket	VERB
fcis-7516	8	25	mechanism	mechanism	NOUN
fcis-7516	8	26	and	and	CCONJ
fcis-7516	8	27	key	key	ADJ
fcis-7516	8	28	distribution	distribution	NOUN
fcis-7516	8	29	to	to	PART
fcis-7516	8	30	complete	complete	VERB
fcis-7516	8	31	the	the	DET
fcis-7516	8	32	authentication	authentication	NOUN
fcis-7516	8	33	process	process	NOUN
fcis-7516	8	34	through	through	ADP
fcis-7516	8	35	the	the	DET
fcis-7516	8	36	interaction	interaction	NOUN
fcis-7516	8	37	between	between	ADP
fcis-7516	8	38	kerberos	kerberos	PROPN
fcis-7516	8	39	tgs	tgs	PROPN
fcis-7516	8	40	and	and	CCONJ
fcis-7516	8	41	kerberos	kerberos	PROPN
fcis-7516	8	42	client	client	PROPN
fcis-7516	8	43	.	.	PUNCT
fcis-7516	9	1	however	however	ADV
fcis-7516	9	2	,	,	PUNCT
fcis-7516	9	3	the	the	DET
fcis-7516	9	4	existing	exist	VERB
fcis-7516	9	5	kerberos	kerbero	NOUN
fcis-7516	9	6	authentication	authentication	NOUN
fcis-7516	9	7	protocol	protocol	NOUN
fcis-7516	9	8	has	have	VERB
fcis-7516	9	9	some	some	DET
fcis-7516	9	10	security	security	NOUN
fcis-7516	9	11	vulnerabilities	vulnerability	NOUN
fcis-7516	9	12	in	in	ADP
fcis-7516	9	13	key	key	ADJ
fcis-7516	9	14	management	management	NOUN
fcis-7516	9	15	and	and	CCONJ
fcis-7516	9	16	distribution	distribution	NOUN
fcis-7516	9	17	,	,	PUNCT
fcis-7516	9	18	which	which	PRON
fcis-7516	9	19	can	can	AUX
fcis-7516	9	20	be	be	AUX
fcis-7516	9	21	exploited	exploit	VERB
fcis-7516	9	22	by	by	ADP
fcis-7516	9	23	hackers	hacker	NOUN
fcis-7516	9	24	and	and	CCONJ
fcis-7516	9	25	lead	lead	VERB
fcis-7516	9	26	to	to	ADP
fcis-7516	9	27	security	security	NOUN
fcis-7516	9	28	problems	problem	NOUN
fcis-7516	9	29	such	such	ADJ
fcis-7516	9	30	as	as	ADP
fcis-7516	9	31	network	network	NOUN
fcis-7516	9	32	attacks	attack	NOUN
fcis-7516	9	33	and	and	CCONJ
fcis-7516	9	34	data	datum	NOUN
fcis-7516	9	35	leakage	leakage	NOUN
fcis-7516	9	36	.	.	PUNCT
fcis-7516	10	1	to	to	PART
fcis-7516	10	2	solve	solve	VERB
fcis-7516	10	3	these	these	DET
fcis-7516	10	4	security	security	NOUN
fcis-7516	10	5	problems	problem	NOUN
fcis-7516	10	6	,	,	PUNCT
fcis-7516	10	7	this	this	DET
fcis-7516	10	8	paper	paper	NOUN
fcis-7516	10	9	proposes	propose	VERB
fcis-7516	10	10	an	an	DET
fcis-7516	10	11	improved	improved	ADJ
fcis-7516	10	12	kerberos	kerberos	PROPN
fcis-7516	10	13	authentication	authentication	NOUN
fcis-7516	10	14	scheme	scheme	NOUN
fcis-7516	10	15	,	,	PUNCT
fcis-7516	10	16	which	which	PRON
fcis-7516	10	17	enhances	enhance	VERB
fcis-7516	10	18	the	the	DET
fcis-7516	10	19	security	security	NOUN
fcis-7516	10	20	and	and	CCONJ
fcis-7516	10	21	reliability	reliability	NOUN
fcis-7516	10	22	of	of	ADP
fcis-7516	10	23	the	the	DET
fcis-7516	10	24	key	key	NOUN
fcis-7516	10	25	by	by	ADP
fcis-7516	10	26	providing	provide	VERB
fcis-7516	10	27	a	a	DET
fcis-7516	10	28	key	key	ADJ
fcis-7516	10	29	scheme	scheme	NOUN
fcis-7516	10	30	for	for	ADP
fcis-7516	10	31	kerberos	kerberos	PROPN
fcis-7516	10	32	authentication	authentication	NOUN
fcis-7516	10	33	protocol	protocol	NOUN
fcis-7516	10	34	through	through	ADP
fcis-7516	10	35	the	the	DET
fcis-7516	10	36	idea	idea	NOUN
fcis-7516	10	37	of	of	ADP
fcis-7516	10	38	dhr	dhr	PROPN
fcis-7516	10	39	atypical	atypical	ADJ
fcis-7516	10	40	construction	construction	NOUN
fcis-7516	10	41	to	to	PART
fcis-7516	10	42	improve	improve	VERB
fcis-7516	10	43	the	the	DET
fcis-7516	10	44	security	security	NOUN
fcis-7516	10	45	and	and	CCONJ
fcis-7516	10	46	reliability	reliability	NOUN
fcis-7516	10	47	of	of	ADP
fcis-7516	10	48	kerberos	kerberos	PROPN
fcis-7516	10	49	authentication	authentication	NOUN
fcis-7516	10	50	protocol	protocol	NOUN
fcis-7516	10	51	.	.	PUNCT
fcis-7516	11	1	the	the	DET
fcis-7516	11	2	main	main	ADJ
fcis-7516	11	3	contribution	contribution	NOUN
fcis-7516	11	4	of	of	ADP
fcis-7516	11	5	this	this	DET
fcis-7516	11	6	paper	paper	NOUN
fcis-7516	11	7	is	be	AUX
fcis-7516	11	8	to	to	PART
fcis-7516	11	9	propose	propose	VERB
fcis-7516	11	10	a	a	DET
fcis-7516	11	11	new	new	ADJ
fcis-7516	11	12	kerberos	kerberos	PROPN
fcis-7516	11	13	authentication	authentication	NOUN
fcis-7516	11	14	scheme	scheme	NOUN
fcis-7516	11	15	that	that	PRON
fcis-7516	11	16	implements	implement	VERB
fcis-7516	11	17	the	the	DET
fcis-7516	11	18	dhr	dhr	PROPN
fcis-7516	11	19	atypical	atypical	ADJ
fcis-7516	11	20	construction	construction	NOUN
fcis-7516	11	21	by	by	ADP
fcis-7516	11	22	introducing	introduce	VERB
fcis-7516	11	23	a	a	DET
fcis-7516	11	24	key	key	ADJ
fcis-7516	11	25	generator	generator	NOUN
fcis-7516	11	26	for	for	ADP
fcis-7516	11	27	sequence	sequence	NOUN
fcis-7516	11	28	ciphers	cipher	NOUN
fcis-7516	11	29	,	,	PUNCT
fcis-7516	11	30	and	and	CCONJ
fcis-7516	11	31	enhances	enhance	VERB
fcis-7516	11	32	the	the	DET
fcis-7516	11	33	security	security	NOUN
fcis-7516	11	34	and	and	CCONJ
fcis-7516	11	35	reliability	reliability	NOUN
fcis-7516	11	36	of	of	ADP
fcis-7516	11	37	the	the	DET
fcis-7516	11	38	key	key	NOUN
fcis-7516	11	39	by	by	ADP
fcis-7516	11	40	introducing	introduce	VERB
fcis-7516	11	41	randomness	randomness	NOUN
fcis-7516	11	42	and	and	CCONJ
fcis-7516	11	43	dynamism	dynamism	NOUN
fcis-7516	11	44	to	to	ADP
fcis-7516	11	45	the	the	DET
fcis-7516	11	46	key	key	NOUN
fcis-7516	11	47	.	.	PUNCT
fcis-7516	12	1	also	also	ADV
fcis-7516	12	2	,	,	PUNCT
fcis-7516	12	3	this	this	DET
fcis-7516	12	4	paper	paper	NOUN
fcis-7516	12	5	analyzes	analyze	VERB
fcis-7516	12	6	the	the	DET
fcis-7516	12	7	advantages	advantage	NOUN
fcis-7516	12	8	and	and	CCONJ
fcis-7516	12	9	disadvantages	disadvantage	NOUN
fcis-7516	12	10	of	of	ADP
fcis-7516	12	11	the	the	DET
fcis-7516	12	12	scheme	scheme	NOUN
fcis-7516	12	13	and	and	CCONJ
fcis-7516	12	14	compares	compare	VERB
fcis-7516	12	15	the	the	DET
fcis-7516	12	16	existing	exist	VERB
fcis-7516	12	17	kerberos	kerberos	PROPN
fcis-7516	12	18	authentication	authentication	NOUN
fcis-7516	12	19	protocols	protocol	NOUN
fcis-7516	12	20	with	with	ADP
fcis-7516	12	21	other	other	ADJ
fcis-7516	12	22	secure	secure	ADJ
fcis-7516	12	23	authentication	authentication	NOUN
fcis-7516	12	24	schemes	scheme	NOUN
fcis-7516	12	25	to	to	PART
fcis-7516	12	26	verify	verify	VERB
fcis-7516	12	27	the	the	DET
fcis-7516	12	28	superiority	superiority	NOUN
fcis-7516	12	29	and	and	CCONJ
fcis-7516	12	30	feasibility	feasibility	NOUN
fcis-7516	12	31	of	of	ADP
fcis-7516	12	32	the	the	DET
fcis-7516	12	33	scheme	scheme	NOUN
fcis-7516	12	34	in	in	ADP
fcis-7516	12	35	this	this	DET
fcis-7516	12	36	paper	paper	NOUN
fcis-7516	12	37	.	.	PUNCT
fcis-7516	13	1	this	this	DET
fcis-7516	13	2	paper	paper	NOUN
fcis-7516	13	3	is	be	AUX
fcis-7516	13	4	organized	organize	VERB
fcis-7516	13	5	as	as	SCONJ
fcis-7516	13	6	follows	follow	VERB
fcis-7516	13	7	:	:	PUNCT
fcis-7516	13	8	chapter	chapter	NOUN
fcis-7516	13	9	1	1	NUM
fcis-7516	13	10	introduces	introduce	VERB
fcis-7516	13	11	the	the	DET
fcis-7516	13	12	related	related	ADJ
fcis-7516	13	13	work	work	NOUN
fcis-7516	13	14	and	and	CCONJ
fcis-7516	13	15	research	research	NOUN
fcis-7516	13	16	background	background	NOUN
fcis-7516	13	17	;	;	PUNCT
fcis-7516	13	18	chapter	chapter	NOUN
fcis-7516	13	19	2	2	NUM
fcis-7516	13	20	introduces	introduce	VERB
fcis-7516	13	21	the	the	DET
fcis-7516	13	22	atypical	atypical	ADJ
fcis-7516	13	23	construction	construction	NOUN
fcis-7516	13	24	of	of	ADP
fcis-7516	13	25	dhr	dhr	PROPN
fcis-7516	13	26	to	to	PART
fcis-7516	13	27	be	be	AUX
fcis-7516	13	28	used	use	VERB
fcis-7516	13	29	in	in	ADP
fcis-7516	13	30	this	this	DET
fcis-7516	13	31	paper	paper	NOUN
fcis-7516	13	32	;	;	PUNCT
fcis-7516	13	33	chapter	chapter	NOUN
fcis-7516	13	34	3	3	NUM
fcis-7516	13	35	details	detail	NOUN
fcis-7516	13	36	the	the	DET
fcis-7516	13	37	kerberos	kerberos	PROPN
fcis-7516	13	38	improvement	improvement	NOUN
fcis-7516	13	39	scheme	scheme	NOUN
fcis-7516	13	40	proposed	propose	VERB
fcis-7516	13	41	in	in	ADP
fcis-7516	13	42	this	this	DET
fcis-7516	13	43	paper	paper	NOUN
fcis-7516	13	44	;	;	PUNCT
fcis-7516	13	45	chapter	chapter	NOUN
fcis-7516	13	46	4	4	NUM
fcis-7516	13	47	compares	compare	VERB
fcis-7516	13	48	the	the	DET
fcis-7516	13	49	improvement	improvement	NOUN
fcis-7516	13	50	scheme	scheme	NOUN
fcis-7516	13	51	proposed	propose	VERB
fcis-7516	13	52	in	in	ADP
fcis-7516	13	53	this	this	DET
fcis-7516	13	54	paper	paper	NOUN
fcis-7516	13	55	with	with	ADP
fcis-7516	13	56	other	other	ADJ
fcis-7516	13	57	schemes	scheme	NOUN
fcis-7516	13	58	.	.	PUNCT
fcis-7516	14	1	2	2	X
fcis-7516	14	2	.	.	X
fcis-7516	14	3	dhr	dhr	PROPN
fcis-7516	14	4	atypical	atypical	ADJ
fcis-7516	14	5	structure	structure	NOUN
fcis-7516	14	6	the	the	DET
fcis-7516	14	7	kerberos	kerberos	PROPN
fcis-7516	14	8	authentication	authentication	NOUN
fcis-7516	14	9	protocol	protocol	NOUN
fcis-7516	14	10	is	be	AUX
fcis-7516	14	11	based	base	VERB
fcis-7516	14	12	on	on	ADP
fcis-7516	14	13	a	a	DET
fcis-7516	14	14	trusted	trust	VERB
fcis-7516	14	15	third	third	ADJ
fcis-7516	14	16	-	-	PUNCT
fcis-7516	14	17	party	party	NOUN
fcis-7516	14	18	kdc	kdc	PROPN
fcis-7516	14	19	,	,	PUNCT
fcis-7516	14	20	which	which	PRON
fcis-7516	14	21	has	have	VERB
fcis-7516	14	22	three	three	NUM
fcis-7516	14	23	parties	party	NOUN
fcis-7516	14	24	:	:	PUNCT
fcis-7516	14	25	the	the	DET
fcis-7516	14	26	user	user	NOUN
fcis-7516	14	27	,	,	PUNCT
fcis-7516	14	28	the	the	DET
fcis-7516	14	29	kdc	kdc	PROPN
fcis-7516	14	30	,	,	PUNCT
fcis-7516	14	31	and	and	CCONJ
fcis-7516	14	32	the	the	DET
fcis-7516	14	33	application	application	NOUN
fcis-7516	14	34	server	server	NOUN
fcis-7516	14	35	.	.	PUNCT
fcis-7516	15	1	the	the	DET
fcis-7516	15	2	ticket	ticket	NOUN
fcis-7516	15	3	carries	carry	VERB
fcis-7516	15	4	a	a	DET
fcis-7516	15	5	timestamp	timestamp	NOUN
fcis-7516	15	6	and	and	CCONJ
fcis-7516	15	7	expiration	expiration	NOUN
fcis-7516	15	8	time	time	NOUN
fcis-7516	15	9	,	,	PUNCT
fcis-7516	15	10	and	and	CCONJ
fcis-7516	15	11	with	with	ADP
fcis-7516	15	12	the	the	DET
fcis-7516	15	13	ticket	ticket	NOUN
fcis-7516	15	14	,	,	PUNCT
fcis-7516	15	15	the	the	DET
fcis-7516	15	16	communicating	communicate	VERB
fcis-7516	15	17	parties	party	NOUN
fcis-7516	15	18	can	can	AUX
fcis-7516	15	19	communicate	communicate	VERB
fcis-7516	15	20	without	without	ADP
fcis-7516	15	21	authentication	authentication	NOUN
fcis-7516	15	22	until	until	SCONJ
fcis-7516	15	23	the	the	DET
fcis-7516	15	24	ticket	ticket	NOUN
fcis-7516	15	25	expires	expire	VERB
fcis-7516	15	26	under	under	ADP
fcis-7516	15	27	the	the	DET
fcis-7516	15	28	premise	premise	NOUN
fcis-7516	15	29	of	of	ADP
fcis-7516	15	30	machine	machine	NOUN
fcis-7516	15	31	time	time	NOUN
fcis-7516	15	32	synchronization	synchronization	NOUN
fcis-7516	15	33	.	.	PUNCT
fcis-7516	16	1	the	the	DET
fcis-7516	16	2	kdc	kdc	PROPN
fcis-7516	16	3	in	in	ADP
fcis-7516	16	4	turn	turn	NOUN
fcis-7516	16	5	contains	contain	VERB
fcis-7516	16	6	two	two	NUM
fcis-7516	16	7	parts	part	NOUN
fcis-7516	16	8	,	,	PUNCT
fcis-7516	16	9	as	as	ADP
fcis-7516	16	10	and	and	CCONJ
fcis-7516	16	11	tgs	tgs	PROPN
fcis-7516	16	12	,	,	PUNCT
fcis-7516	16	13	for	for	ADP
fcis-7516	16	14	authentication	authentication	NOUN
fcis-7516	16	15	and	and	CCONJ
fcis-7516	16	16	ticket	ticket	NOUN
fcis-7516	16	17	authorization	authorization	NOUN
fcis-7516	16	18	respectively	respectively	ADV
fcis-7516	16	19	.	.	PUNCT
fcis-7516	17	1	there	there	PRON
fcis-7516	17	2	are	be	VERB
fcis-7516	17	3	several	several	ADJ
fcis-7516	17	4	versions	version	NOUN
fcis-7516	17	5	of	of	ADP
fcis-7516	17	6	kerberos	kerbero	NOUN
fcis-7516	17	7	,	,	PUNCT
fcis-7516	17	8	the	the	DET
fcis-7516	17	9	common	common	ADJ
fcis-7516	17	10	ones	one	NOUN
fcis-7516	17	11	are	be	AUX
fcis-7516	17	12	v4	v4	NOUN
fcis-7516	17	13	and	and	CCONJ
fcis-7516	17	14	v5	v5	PROPN
fcis-7516	17	15	.	.	PUNCT
fcis-7516	18	1	the	the	DET
fcis-7516	18	2	version	version	NOUN
fcis-7516	18	3	studied	study	VERB
fcis-7516	18	4	in	in	ADP
fcis-7516	18	5	this	this	DET
fcis-7516	18	6	paper	paper	NOUN
fcis-7516	18	7	is	be	AUX
fcis-7516	18	8	v4	v4	NOUN
fcis-7516	18	9	,	,	PUNCT
fcis-7516	18	10	and	and	CCONJ
fcis-7516	18	11	the	the	DET
fcis-7516	18	12	encryption	encryption	NOUN
fcis-7516	18	13	algorithm	algorithm	NOUN
fcis-7516	18	14	uses	use	VERB
fcis-7516	18	15	the	the	DET
fcis-7516	18	16	des	des	PROPN
fcis-7516	18	17	algorithm	algorithm	PROPN
fcis-7516	18	18	.	.	PUNCT
fcis-7516	19	1	table	table	NOUN
fcis-7516	19	2	1	1	NUM
fcis-7516	19	3	lists	list	VERB
fcis-7516	19	4	the	the	DET
fcis-7516	19	5	symbols	symbol	NOUN
fcis-7516	19	6	that	that	PRON
fcis-7516	19	7	will	will	AUX
fcis-7516	19	8	be	be	AUX
fcis-7516	19	9	used	use	VERB
fcis-7516	19	10	later	later	ADV
fcis-7516	19	11	and	and	CCONJ
fcis-7516	19	12	their	their	PRON
fcis-7516	19	13	meanings	meaning	NOUN
fcis-7516	19	14	,	,	PUNCT
fcis-7516	19	15	among	among	ADP
fcis-7516	19	16	which	which	PRON
fcis-7516	19	17	user	user	NOUN
fcis-7516	19	18	info	info	NOUN
fcis-7516	19	19	contains	contain	VERB
fcis-7516	19	20	information	information	NOUN
fcis-7516	19	21	such	such	ADJ
fcis-7516	19	22	as	as	ADP
fcis-7516	19	23	user	user	NOUN
fcis-7516	19	24	i	i	PROPN
fcis-7516	19	25	d	d	PROPN
fcis-7516	19	26	,	,	PUNCT
fcis-7516	19	27	domain	domain	NOUN
fcis-7516	19	28	to	to	PART
fcis-7516	19	29	which	which	PRON
fcis-7516	19	30	the	the	DET
fcis-7516	19	31	user	user	NOUN
fcis-7516	19	32	belongs	belong	VERB
fcis-7516	19	33	,	,	PUNCT
fcis-7516	19	34	and	and	CCONJ
fcis-7516	19	35	timestamp	timestamp	NOUN
fcis-7516	19	36	.	.	PUNCT
fcis-7516	20	1	table	table	NOUN
fcis-7516	20	2	1	1	NUM
fcis-7516	20	3	.	.	PUNCT
fcis-7516	21	1	symbol	symbol	NOUN
fcis-7516	21	2	definition	definition	NOUN
fcis-7516	21	3	symbol	symbol	NOUN
fcis-7516	21	4	meaning	mean	VERB
fcis-7516	21	5	as	as	ADP
fcis-7516	21	6	authentication	authentication	NOUN
fcis-7516	21	7	server	server	NOUN
fcis-7516	21	8	tgs	tgs	PROPN
fcis-7516	21	9	ticket	ticket	NOUN
fcis-7516	21	10	granting	grant	VERB
fcis-7516	21	11	server	server	NOUN
fcis-7516	21	12	ss	ss	NOUN
fcis-7516	21	13	application	application	NOUN
fcis-7516	21	14	server	server	NOUN
fcis-7516	21	15	kc	kc	PROPN
fcis-7516	21	16	user	user	PROPN
fcis-7516	21	17	key	key	PROPN
fcis-7516	22	1	kt	kt	PROPN
fcis-7516	22	2	tgs	tgs	PROPN
fcis-7516	22	3	key	key	PROPN
fcis-7516	22	4	ks	ks	PROPN
fcis-7516	22	5	ss	ss	PROPN
fcis-7516	22	6	key	key	ADJ
fcis-7516	22	7	kst	kst	PROPN
fcis-7516	22	8	session	session	NOUN
fcis-7516	22	9	key	key	NOUN
fcis-7516	22	10	for	for	ADP
fcis-7516	22	11	communication	communication	NOUN
fcis-7516	22	12	with	with	ADP
fcis-7516	22	13	tgs	tgs	PROPN
fcis-7516	22	14	kss	kss	PROPN
fcis-7516	22	15	session	session	PROPN
fcis-7516	22	16	key	key	NOUN
fcis-7516	22	17	for	for	ADP
fcis-7516	22	18	communication	communication	NOUN
fcis-7516	22	19	with	with	ADP
fcis-7516	22	20	ss	ss	NOUN
fcis-7516	22	21	ekc	ekc	NOUN
fcis-7516	22	22	encryption	encryption	NOUN
fcis-7516	22	23	with	with	ADP
fcis-7516	22	24	kc	kc	PROPN
fcis-7516	22	25	tgt	tgt	PROPN
fcis-7516	22	26	tgs	tgs	PROPN
fcis-7516	22	27	tickets	ticket	NOUN
fcis-7516	22	28	st	st	PROPN
fcis-7516	22	29	tickets	ticket	NOUN
fcis-7516	22	30	for	for	ADP
fcis-7516	22	31	communication	communication	NOUN
fcis-7516	22	32	with	with	ADP
fcis-7516	22	33	ss	ss	PROPN
fcis-7516	22	34	idx	idx	NOUN
fcis-7516	22	35	x	x	NOUN
fcis-7516	22	36	's	's	PART
fcis-7516	22	37	i	i	PROPN
fcis-7516	22	38	d	d	PROPN
fcis-7516	22	39	ke	ke	PROPN
fcis-7516	22	40	ke	ke	PROPN
fcis-7516	22	41	used	use	VERB
fcis-7516	22	42	for	for	ADP
fcis-7516	22	43	encryption	encryption	NOUN
fcis-7516	22	44	2.1	2.1	NUM
fcis-7516	22	45	.	.	PUNCT
fcis-7516	23	1	kerberos	kerberos	PROPN
fcis-7516	23	2	certification	certification	NOUN
fcis-7516	23	3	process	process	NOUN
fcis-7516	23	4	the	the	DET
fcis-7516	23	5	kerberos	kerberos	PROPN
fcis-7516	23	6	authentication	authentication	NOUN
fcis-7516	23	7	process	process	NOUN
fcis-7516	23	8	can	can	AUX
fcis-7516	23	9	be	be	AUX
fcis-7516	23	10	divided	divide	VERB
fcis-7516	23	11	into	into	ADP
fcis-7516	23	12	three	three	NUM
fcis-7516	23	13	steps	step	NOUN
fcis-7516	23	14	,	,	PUNCT
fcis-7516	23	15	the	the	DET
fcis-7516	23	16	first	first	ADJ
fcis-7516	23	17	step	step	NOUN
fcis-7516	23	18	is	be	AUX
fcis-7516	23	19	to	to	PART
fcis-7516	23	20	communicate	communicate	VERB
fcis-7516	23	21	with	with	ADP
fcis-7516	23	22	as	as	ADP
fcis-7516	23	23	for	for	ADP
fcis-7516	23	24	authentication	authentication	NOUN
fcis-7516	23	25	,	,	PUNCT
fcis-7516	23	26	the	the	DET
fcis-7516	23	27	second	second	ADJ
fcis-7516	23	28	step	step	NOUN
fcis-7516	23	29	is	be	AUX
fcis-7516	23	30	to	to	PART
fcis-7516	23	31	communicate	communicate	VERB
fcis-7516	23	32	with	with	ADP
fcis-7516	23	33	tgs	tgs	PROPN
fcis-7516	23	34	to	to	PART
fcis-7516	23	35	obtain	obtain	VERB
fcis-7516	23	36	a	a	DET
fcis-7516	23	37	ticket	ticket	NOUN
fcis-7516	23	38	,	,	PUNCT
fcis-7516	23	39	and	and	CCONJ
fcis-7516	23	40	the	the	DET
fcis-7516	23	41	third	third	ADJ
fcis-7516	23	42	step	step	NOUN
fcis-7516	23	43	is	be	AUX
fcis-7516	23	44	to	to	PART
fcis-7516	23	45	communicate	communicate	VERB
fcis-7516	23	46	with	with	ADP
fcis-7516	23	47	ss	ss	PROPN
fcis-7516	23	48	.	.	PUNCT
fcis-7516	24	1	the	the	DET
fcis-7516	24	2	user	user	NOUN
fcis-7516	24	3	key	key	NOUN
fcis-7516	24	4	is	be	AUX
fcis-7516	24	5	used	use	VERB
fcis-7516	24	6	to	to	PART
fcis-7516	24	7	communicate	communicate	VERB
fcis-7516	24	8	in	in	ADP
fcis-7516	24	9	the	the	DET
fcis-7516	24	10	first	first	ADJ
fcis-7516	24	11	step	step	NOUN
fcis-7516	24	12	,	,	PUNCT
fcis-7516	24	13	and	and	CCONJ
fcis-7516	24	14	the	the	DET
fcis-7516	24	15	last	last	ADJ
fcis-7516	24	16	two	two	NUM
fcis-7516	24	17	steps	step	NOUN
fcis-7516	24	18	both	both	PRON
fcis-7516	24	19	use	use	VERB
fcis-7516	24	20	the	the	DET
fcis-7516	24	21	session	session	NOUN
fcis-7516	24	22	key	key	NOUN
fcis-7516	24	23	generated	generate	VERB
fcis-7516	24	24	earlier	early	ADV
fcis-7516	24	25	to	to	PART
fcis-7516	24	26	communicate	communicate	VERB
fcis-7516	24	27	.	.	PUNCT
fcis-7516	25	1	the	the	DET
fcis-7516	25	2	specific	specific	ADJ
fcis-7516	25	3	process	process	NOUN
fcis-7516	25	4	is	be	AUX
fcis-7516	25	5	as	as	SCONJ
fcis-7516	25	6	follows	follow	VERB
fcis-7516	25	7	:	:	PUNCT
fcis-7516	25	8	step	step	NOUN
fcis-7516	25	9	1	1	NUM
fcis-7516	25	10	:	:	PUNCT
fcis-7516	25	11	client->as	client->a	NOUN
fcis-7516	25	12	:	:	PUNCT
fcis-7516	25	13	userinfo	userinfo	ADJ
fcis-7516	25	14	user	user	NOUN
fcis-7516	25	15	sends	send	VERB
fcis-7516	25	16	identity	identity	NOUN
fcis-7516	25	17	information	information	NOUN
fcis-7516	25	18	in	in	ADP
fcis-7516	25	19	clear	clear	ADJ
fcis-7516	25	20	text	text	NOUN
fcis-7516	25	21	to	to	ADP
fcis-7516	25	22	as	as	ADP
fcis-7516	25	23	as->client	as->client	ADJ
fcis-7516	25	24	:	:	PUNCT
fcis-7516	25	25	ekc	ekc	PROPN
fcis-7516	25	26	[	[	PUNCT
fcis-7516	25	27	userinfo	userinfo	PROPN
fcis-7516	25	28	||	||	PROPN
fcis-7516	26	1	kst	kst	PROPN
fcis-7516	26	2	]	]	PUNCT
fcis-7516	26	3	||	||	PROPN
fcis-7516	27	1	tgt	tgt	PROPN
fcis-7516	27	2	select	select	VERB
fcis-7516	27	3	the	the	DET
fcis-7516	27	4	corresponding	corresponding	ADJ
fcis-7516	27	5	key	key	NOUN
fcis-7516	27	6	according	accord	VERB
fcis-7516	27	7	to	to	ADP
fcis-7516	27	8	the	the	DET
fcis-7516	27	9	user	user	NOUN
fcis-7516	27	10	's	's	PART
fcis-7516	27	11	identity	identity	NOUN
fcis-7516	27	12	information	information	NOUN
fcis-7516	27	13	to	to	PART
fcis-7516	27	14	encrypt	encrypt	VERB
fcis-7516	27	15	and	and	CCONJ
fcis-7516	27	16	transmit	transmit	VERB
fcis-7516	27	17	the	the	DET
fcis-7516	27	18	session	session	NOUN
fcis-7516	27	19	key	key	ADJ
fcis-7516	27	20	kst	kst	PROPN
fcis-7516	27	21	used	use	VERB
fcis-7516	27	22	in	in	ADP
fcis-7516	27	23	the	the	DET
fcis-7516	27	24	second	second	ADJ
fcis-7516	27	25	step	step	NOUN
fcis-7516	27	26	,	,	PUNCT
fcis-7516	27	27	and	and	CCONJ
fcis-7516	27	28	together	together	ADV
fcis-7516	27	29	transmit	transmit	VERB
fcis-7516	27	30	the	the	DET
fcis-7516	27	31	tgt	tgt	NOUN
fcis-7516	27	32	that	that	PRON
fcis-7516	27	33	only	only	ADV
fcis-7516	27	34	tgs	tgs	PROPN
fcis-7516	27	35	can	can	AUX
fcis-7516	27	36	decrypt	decrypt	VERB
fcis-7516	27	37	,	,	PUNCT
fcis-7516	27	38	where	where	SCONJ
fcis-7516	27	39	tgt	tgt	PROPN
fcis-7516	27	40	=	=	PROPN
fcis-7516	27	41	ekt	ekt	PROPN
fcis-7516	27	42	[	[	PUNCT
fcis-7516	27	43	userinfo	userinfo	NOUN
fcis-7516	27	44	||	||	PROPN
fcis-7516	27	45	kst	kst	PROPN
fcis-7516	27	46	]	]	PUNCT
fcis-7516	27	47	.	.	PUNCT
fcis-7516	28	1	the	the	DET
fcis-7516	28	2	user	user	NOUN
fcis-7516	28	3	obtains	obtain	VERB
fcis-7516	28	4	it	it	PRON
fcis-7516	28	5	and	and	CCONJ
fcis-7516	28	6	decrypts	decrypt	VERB
fcis-7516	28	7	it	it	PRON
fcis-7516	28	8	with	with	ADP
fcis-7516	28	9	his	his	PRON
fcis-7516	28	10	own	own	ADJ
fcis-7516	28	11	key	key	NOUN
fcis-7516	28	12	to	to	PART
fcis-7516	28	13	obtain	obtain	VERB
fcis-7516	28	14	79	79	NUM
fcis-7516	28	15	kst	kst	NOUN
fcis-7516	28	16	.	.	PUNCT
fcis-7516	29	1	step	step	NOUN
fcis-7516	29	2	2	2	NUM
fcis-7516	29	3	:	:	PUNCT
fcis-7516	29	4	client->tgs	client->tgs	NOUN
fcis-7516	29	5	:	:	PUNCT
fcis-7516	29	6	ekst	ekst	PROPN
fcis-7516	29	7	[	[	PUNCT
fcis-7516	29	8	userinfo	userinfo	NOUN
fcis-7516	29	9	||	||	PROPN
fcis-7516	30	1	ids	ids	PROPN
fcis-7516	30	2	]	]	PUNCT
fcis-7516	30	3	||	||	X
fcis-7516	31	1	tgt	tgt	PROPN
fcis-7516	31	2	tgs->client	tgs->client	NOUN
fcis-7516	31	3	:	:	PUNCT
fcis-7516	31	4	ekst	ekst	PROPN
fcis-7516	31	5	[	[	PUNCT
fcis-7516	31	6	userinfo	userinfo	NOUN
fcis-7516	31	7	||	||	PROPN
fcis-7516	31	8	|kss	|kss	PUNCT
fcis-7516	31	9	]	]	PUNCT
fcis-7516	31	10	||	||	PROPN
fcis-7516	31	11	st	st	PROPN
fcis-7516	31	12	,	,	PUNCT
fcis-7516	31	13	st	st	PROPN
fcis-7516	31	14	=	=	NOUN
fcis-7516	31	15	eks	eks	PROPN
fcis-7516	31	16	[	[	PUNCT
fcis-7516	31	17	userinfo	userinfo	NOUN
fcis-7516	31	18	||	||	PROPN
fcis-7516	31	19	kss	kss	PROPN
fcis-7516	31	20	]	]	X
fcis-7516	31	21	tgs	tgs	PROPN
fcis-7516	31	22	decrypts	decrypt	NOUN
fcis-7516	31	23	tgt	tgt	PROPN
fcis-7516	31	24	with	with	ADP
fcis-7516	31	25	its	its	PRON
fcis-7516	31	26	own	own	ADJ
fcis-7516	31	27	key	key	NOUN
fcis-7516	31	28	to	to	PART
fcis-7516	31	29	get	get	VERB
fcis-7516	31	30	kst	kst	PROPN
fcis-7516	31	31	and	and	CCONJ
fcis-7516	31	32	verifies	verifie	NOUN
fcis-7516	31	33	the	the	DET
fcis-7516	31	34	identity	identity	NOUN
fcis-7516	31	35	,	,	PUNCT
fcis-7516	31	36	and	and	CCONJ
fcis-7516	31	37	issues	issue	NOUN
fcis-7516	31	38	st	st	VERB
fcis-7516	31	39	if	if	SCONJ
fcis-7516	31	40	it	it	PRON
fcis-7516	31	41	is	be	AUX
fcis-7516	31	42	consistent	consistent	ADJ
fcis-7516	31	43	.	.	PUNCT
fcis-7516	32	1	step	step	NOUN
fcis-7516	32	2	3	3	NUM
fcis-7516	32	3	:	:	PUNCT
fcis-7516	32	4	client->ss	client->ss	NOUN
fcis-7516	32	5	:	:	PUNCT
fcis-7516	32	6	ekss	ekss	PROPN
fcis-7516	32	7	[	[	PUNCT
fcis-7516	32	8	userinfo	userinfo	NOUN
fcis-7516	32	9	]	]	PUNCT
fcis-7516	32	10	||	||	PROPN
fcis-7516	33	1	st	st	PROPN
fcis-7516	33	2	ss	ss	PROPN
fcis-7516	33	3	use	use	VERB
fcis-7516	33	4	your	your	PRON
fcis-7516	33	5	own	own	ADJ
fcis-7516	33	6	key	key	NOUN
fcis-7516	33	7	to	to	PART
fcis-7516	33	8	decrypt	decrypt	VERB
fcis-7516	33	9	the	the	DET
fcis-7516	33	10	st	st	PROPN
fcis-7516	33	11	,	,	PUNCT
fcis-7516	33	12	get	get	VERB
fcis-7516	33	13	the	the	DET
fcis-7516	33	14	kss	kss	PROPN
fcis-7516	33	15	and	and	CCONJ
fcis-7516	33	16	authenticate	authenticate	VERB
fcis-7516	33	17	the	the	DET
fcis-7516	33	18	identity	identity	NOUN
fcis-7516	33	19	information	information	NOUN
fcis-7516	33	20	,	,	PUNCT
fcis-7516	33	21	then	then	ADV
fcis-7516	33	22	you	you	PRON
fcis-7516	33	23	can	can	AUX
fcis-7516	33	24	start	start	VERB
fcis-7516	33	25	communication	communication	NOUN
fcis-7516	33	26	if	if	SCONJ
fcis-7516	33	27	it	it	PRON
fcis-7516	33	28	is	be	AUX
fcis-7516	33	29	consistent	consistent	ADJ
fcis-7516	33	30	.	.	PUNCT
fcis-7516	34	1	until	until	SCONJ
fcis-7516	34	2	the	the	DET
fcis-7516	34	3	st	st	PROPN
fcis-7516	34	4	expires	expire	VERB
fcis-7516	34	5	,	,	PUNCT
fcis-7516	34	6	the	the	DET
fcis-7516	34	7	client	client	NOUN
fcis-7516	34	8	can	can	AUX
fcis-7516	34	9	always	always	ADV
fcis-7516	34	10	use	use	VERB
fcis-7516	34	11	the	the	DET
fcis-7516	34	12	st	st	PROPN
fcis-7516	34	13	for	for	ADP
fcis-7516	34	14	authentication	authentication	NOUN
fcis-7516	34	15	and	and	CCONJ
fcis-7516	34	16	does	do	AUX
fcis-7516	34	17	not	not	PART
fcis-7516	34	18	need	need	VERB
fcis-7516	34	19	to	to	PART
fcis-7516	34	20	repeat	repeat	VERB
fcis-7516	34	21	the	the	DET
fcis-7516	34	22	first	first	ADJ
fcis-7516	34	23	two	two	NUM
fcis-7516	34	24	steps	step	NOUN
fcis-7516	34	25	of	of	ADP
fcis-7516	34	26	communication	communication	NOUN
fcis-7516	34	27	.	.	PUNCT
fcis-7516	35	1	2.2	2.2	NUM
fcis-7516	35	2	.	.	PUNCT
fcis-7516	35	3	attack	attack	NOUN
fcis-7516	35	4	method	method	NOUN
fcis-7516	35	5	(	(	PUNCT
fcis-7516	35	6	1	1	NUM
fcis-7516	35	7	)	)	PUNCT
fcis-7516	35	8	password	password	NOUN
fcis-7516	35	9	guessing	guess	VERB
fcis-7516	35	10	attack	attack	NOUN
fcis-7516	35	11	in	in	ADP
fcis-7516	35	12	the	the	DET
fcis-7516	35	13	three	three	NUM
fcis-7516	35	14	steps	step	NOUN
fcis-7516	35	15	of	of	ADP
fcis-7516	35	16	this	this	DET
fcis-7516	35	17	authentication	authentication	NOUN
fcis-7516	35	18	process	process	NOUN
fcis-7516	35	19	,	,	PUNCT
fcis-7516	35	20	symmetric	symmetric	ADJ
fcis-7516	35	21	passwords	password	NOUN
fcis-7516	35	22	are	be	AUX
fcis-7516	35	23	used	use	VERB
fcis-7516	35	24	,	,	PUNCT
fcis-7516	35	25	where	where	SCONJ
fcis-7516	35	26	the	the	DET
fcis-7516	35	27	key	key	NOUN
fcis-7516	35	28	used	use	VERB
fcis-7516	35	29	in	in	ADP
fcis-7516	35	30	the	the	DET
fcis-7516	35	31	first	first	ADJ
fcis-7516	35	32	step	step	NOUN
fcis-7516	35	33	is	be	AUX
fcis-7516	35	34	the	the	DET
fcis-7516	35	35	key	key	NOUN
fcis-7516	35	36	used	use	VERB
fcis-7516	35	37	in	in	ADP
fcis-7516	35	38	user	user	NOUN
fcis-7516	35	39	registration	registration	NOUN
fcis-7516	35	40	,	,	PUNCT
fcis-7516	35	41	and	and	CCONJ
fcis-7516	35	42	the	the	DET
fcis-7516	35	43	user	user	NOUN
fcis-7516	35	44	key	key	NOUN
fcis-7516	35	45	is	be	AUX
fcis-7516	35	46	usually	usually	ADV
fcis-7516	35	47	constant	constant	ADJ
fcis-7516	35	48	for	for	ADP
fcis-7516	35	49	a	a	DET
fcis-7516	35	50	long	long	ADJ
fcis-7516	35	51	time	time	NOUN
fcis-7516	35	52	,	,	PUNCT
fcis-7516	35	53	so	so	CCONJ
fcis-7516	35	54	it	it	PRON
fcis-7516	35	55	is	be	AUX
fcis-7516	35	56	subject	subject	ADJ
fcis-7516	35	57	to	to	ADP
fcis-7516	35	58	password	password	NOUN
fcis-7516	35	59	guessing	guess	VERB
fcis-7516	35	60	attack	attack	NOUN
fcis-7516	35	61	.	.	PUNCT
fcis-7516	36	1	the	the	DET
fcis-7516	36	2	user	user	NOUN
fcis-7516	36	3	key	key	NOUN
fcis-7516	36	4	usually	usually	ADV
fcis-7516	36	5	carries	carry	VERB
fcis-7516	36	6	some	some	DET
fcis-7516	36	7	information	information	NOUN
fcis-7516	36	8	about	about	ADP
fcis-7516	36	9	the	the	DET
fcis-7516	36	10	user	user	NOUN
fcis-7516	36	11	or	or	CCONJ
fcis-7516	36	12	simple	simple	ADJ
fcis-7516	36	13	laws	law	NOUN
fcis-7516	36	14	,	,	PUNCT
fcis-7516	36	15	so	so	SCONJ
fcis-7516	36	16	it	it	PRON
fcis-7516	36	17	becomes	become	VERB
fcis-7516	36	18	more	more	ADV
fcis-7516	36	19	effective	effective	ADJ
fcis-7516	36	20	to	to	PART
fcis-7516	36	21	use	use	VERB
fcis-7516	36	22	dictionary	dictionary	ADJ
fcis-7516	36	23	attacks	attack	NOUN
fcis-7516	36	24	to	to	PART
fcis-7516	36	25	crack	crack	VERB
fcis-7516	36	26	the	the	DET
fcis-7516	36	27	key	key	NOUN
fcis-7516	36	28	.	.	PUNCT
fcis-7516	37	1	(	(	PUNCT
fcis-7516	37	2	2	2	X
fcis-7516	37	3	)	)	PUNCT
fcis-7516	37	4	replay	replay	NOUN
fcis-7516	37	5	attack	attack	NOUN
fcis-7516	37	6	assuming	assume	VERB
fcis-7516	37	7	that	that	SCONJ
fcis-7516	37	8	the	the	DET
fcis-7516	37	9	first	first	ADJ
fcis-7516	37	10	step	step	NOUN
fcis-7516	37	11	is	be	AUX
fcis-7516	37	12	secure	secure	ADJ
fcis-7516	37	13	,	,	PUNCT
fcis-7516	37	14	in	in	ADP
fcis-7516	37	15	the	the	DET
fcis-7516	37	16	second	second	ADJ
fcis-7516	37	17	and	and	CCONJ
fcis-7516	37	18	third	third	ADJ
fcis-7516	37	19	step	step	NOUN
fcis-7516	37	20	of	of	ADP
fcis-7516	37	21	communication	communication	NOUN
fcis-7516	37	22	,	,	PUNCT
fcis-7516	37	23	the	the	DET
fcis-7516	37	24	session	session	NOUN
fcis-7516	37	25	key	key	NOUN
fcis-7516	37	26	generated	generate	VERB
fcis-7516	37	27	by	by	ADP
fcis-7516	37	28	kdc	kdc	PROPN
fcis-7516	37	29	is	be	AUX
fcis-7516	37	30	used	use	VERB
fcis-7516	37	31	,	,	PUNCT
fcis-7516	37	32	which	which	PRON
fcis-7516	37	33	is	be	AUX
fcis-7516	37	34	time	time	NOUN
fcis-7516	37	35	-	-	PUNCT
fcis-7516	37	36	sensitive	sensitive	ADJ
fcis-7516	37	37	and	and	CCONJ
fcis-7516	37	38	secure	secure	ADJ
fcis-7516	37	39	for	for	ADP
fcis-7516	37	40	password	password	NOUN
fcis-7516	37	41	guessing	guessing	NOUN
fcis-7516	37	42	.	.	PUNCT
fcis-7516	38	1	it	it	PRON
fcis-7516	38	2	may	may	AUX
fcis-7516	38	3	be	be	AUX
fcis-7516	38	4	subject	subject	ADJ
fcis-7516	38	5	to	to	ADP
fcis-7516	38	6	replay	replay	NOUN
fcis-7516	38	7	attack	attack	NOUN
fcis-7516	38	8	.	.	PUNCT
fcis-7516	39	1	although	although	SCONJ
fcis-7516	39	2	the	the	DET
fcis-7516	39	3	ticket	ticket	NOUN
fcis-7516	39	4	has	have	VERB
fcis-7516	39	5	an	an	DET
fcis-7516	39	6	expiration	expiration	NOUN
fcis-7516	39	7	time	time	NOUN
fcis-7516	39	8	,	,	PUNCT
fcis-7516	39	9	it	it	PRON
fcis-7516	39	10	is	be	AUX
fcis-7516	39	11	required	require	VERB
fcis-7516	39	12	that	that	SCONJ
fcis-7516	39	13	the	the	DET
fcis-7516	39	14	machines	machine	NOUN
fcis-7516	39	15	on	on	ADP
fcis-7516	39	16	both	both	DET
fcis-7516	39	17	sides	side	NOUN
fcis-7516	39	18	of	of	ADP
fcis-7516	39	19	the	the	DET
fcis-7516	39	20	communication	communication	NOUN
fcis-7516	39	21	are	be	AUX
fcis-7516	39	22	clock	clock	NOUN
fcis-7516	39	23	synchronized	synchronize	VERB
fcis-7516	39	24	,	,	PUNCT
fcis-7516	39	25	and	and	CCONJ
fcis-7516	39	26	the	the	DET
fcis-7516	39	27	attacker	attacker	NOUN
fcis-7516	39	28	can	can	AUX
fcis-7516	39	29	just	just	ADV
fcis-7516	39	30	use	use	VERB
fcis-7516	39	31	this	this	PRON
fcis-7516	39	32	to	to	PART
fcis-7516	39	33	perform	perform	VERB
fcis-7516	39	34	replay	replay	NOUN
fcis-7516	39	35	attack	attack	NOUN
fcis-7516	39	36	.	.	PUNCT
fcis-7516	40	1	(	(	PUNCT
fcis-7516	40	2	3	3	X
fcis-7516	40	3	)	)	PUNCT
fcis-7516	40	4	others	other	NOUN
fcis-7516	40	5	in	in	ADP
fcis-7516	40	6	addition	addition	NOUN
fcis-7516	40	7	to	to	ADP
fcis-7516	40	8	the	the	DET
fcis-7516	40	9	above	above	ADJ
fcis-7516	40	10	two	two	NUM
fcis-7516	40	11	relatively	relatively	ADV
fcis-7516	40	12	effective	effective	ADJ
fcis-7516	40	13	attacks	attack	NOUN
fcis-7516	40	14	against	against	ADP
fcis-7516	40	15	kerberos	kerbero	NOUN
fcis-7516	40	16	,	,	PUNCT
fcis-7516	40	17	kerberos	kerberos	PROPN
fcis-7516	40	18	authentication	authentication	NOUN
fcis-7516	40	19	systems	system	NOUN
fcis-7516	40	20	have	have	VERB
fcis-7516	40	21	the	the	DET
fcis-7516	40	22	same	same	ADJ
fcis-7516	40	23	security	security	NOUN
fcis-7516	40	24	issues	issue	NOUN
fcis-7516	40	25	as	as	ADP
fcis-7516	40	26	other	other	ADJ
fcis-7516	40	27	security	security	NOUN
fcis-7516	40	28	systems	system	NOUN
fcis-7516	40	29	:	:	PUNCT
fcis-7516	40	30	key	key	ADJ
fcis-7516	40	31	storage	storage	NOUN
fcis-7516	40	32	issues	issue	NOUN
fcis-7516	40	33	,	,	PUNCT
fcis-7516	40	34	system	system	NOUN
fcis-7516	40	35	program	program	NOUN
fcis-7516	40	36	security	security	NOUN
fcis-7516	40	37	issues	issue	NOUN
fcis-7516	40	38	,	,	PUNCT
fcis-7516	40	39	and	and	CCONJ
fcis-7516	40	40	so	so	ADV
fcis-7516	40	41	on	on	ADV
fcis-7516	40	42	.	.	PUNCT
fcis-7516	41	1	2.3	2.3	NUM
fcis-7516	41	2	.	.	PUNCT
fcis-7516	42	1	improvement	improvement	NOUN
fcis-7516	42	2	program	program	NOUN
fcis-7516	42	3	the	the	DET
fcis-7516	42	4	literature[2	literature[2	PROPN
fcis-7516	42	5	]	]	PUNCT
fcis-7516	42	6	replaces	replace	VERB
fcis-7516	42	7	the	the	DET
fcis-7516	42	8	symmetric	symmetric	ADJ
fcis-7516	42	9	cryptosystem	cryptosystem	NOUN
fcis-7516	42	10	used	use	VERB
fcis-7516	42	11	in	in	ADP
fcis-7516	42	12	the	the	DET
fcis-7516	42	13	original	original	ADJ
fcis-7516	42	14	kerberos	kerbero	NOUN
fcis-7516	42	15	authentication	authentication	NOUN
fcis-7516	42	16	process	process	NOUN
fcis-7516	42	17	with	with	ADP
fcis-7516	42	18	a	a	DET
fcis-7516	42	19	publickey	publickey	ADJ
fcis-7516	42	20	cryptosystem	cryptosystem	NOUN
fcis-7516	42	21	that	that	PRON
fcis-7516	42	22	uses	use	VERB
fcis-7516	42	23	the	the	DET
fcis-7516	42	24	rsa	rsa	PROPN
fcis-7516	42	25	algorithm	algorithm	NOUN
fcis-7516	42	26	for	for	ADP
fcis-7516	42	27	communication	communication	NOUN
fcis-7516	42	28	and	and	CCONJ
fcis-7516	42	29	requires	require	VERB
fcis-7516	42	30	the	the	DET
fcis-7516	42	31	user	user	NOUN
fcis-7516	42	32	to	to	PART
fcis-7516	42	33	sign	sign	VERB
fcis-7516	42	34	the	the	DET
fcis-7516	42	35	timestamp	timestamp	NOUN
fcis-7516	42	36	,	,	PUNCT
fcis-7516	42	37	which	which	PRON
fcis-7516	42	38	on	on	ADP
fcis-7516	42	39	the	the	DET
fcis-7516	42	40	one	one	NUM
fcis-7516	42	41	hand	hand	NOUN
fcis-7516	42	42	avoids	avoid	VERB
fcis-7516	42	43	the	the	DET
fcis-7516	42	44	problem	problem	NOUN
fcis-7516	42	45	of	of	ADP
fcis-7516	42	46	the	the	DET
fcis-7516	42	47	lower	low	ADJ
fcis-7516	42	48	security	security	NOUN
fcis-7516	42	49	of	of	ADP
fcis-7516	42	50	the	the	DET
fcis-7516	42	51	symmetric	symmetric	ADJ
fcis-7516	42	52	cryptosystem	cryptosystem	NOUN
fcis-7516	42	53	itself	itself	PRON
fcis-7516	42	54	,	,	PUNCT
fcis-7516	42	55	and	and	CCONJ
fcis-7516	42	56	on	on	ADP
fcis-7516	42	57	the	the	DET
fcis-7516	42	58	other	other	ADJ
fcis-7516	42	59	hand	hand	NOUN
fcis-7516	42	60	is	be	AUX
fcis-7516	42	61	also	also	ADV
fcis-7516	42	62	resistant	resistant	ADJ
fcis-7516	42	63	to	to	PART
fcis-7516	42	64	replay	replay	VERB
fcis-7516	42	65	attacks	attack	NOUN
fcis-7516	42	66	by	by	ADP
fcis-7516	42	67	signing	sign	VERB
fcis-7516	42	68	the	the	DET
fcis-7516	42	69	timestamp	timestamp	NOUN
fcis-7516	42	70	,	,	PUNCT
fcis-7516	42	71	but	but	CCONJ
fcis-7516	42	72	due	due	ADP
fcis-7516	42	73	to	to	ADP
fcis-7516	42	74	the	the	DET
fcis-7516	42	75	use	use	NOUN
fcis-7516	42	76	of	of	ADP
fcis-7516	42	77	the	the	DET
fcis-7516	42	78	rsa	rsa	PROPN
fcis-7516	42	79	algorithm	algorithm	NOUN
fcis-7516	42	80	for	for	ADP
fcis-7516	42	81	multiple	multiple	ADJ
fcis-7516	42	82	communications	communication	NOUN
fcis-7516	42	83	,	,	PUNCT
fcis-7516	42	84	the	the	DET
fcis-7516	42	85	efficiency	efficiency	NOUN
fcis-7516	42	86	decreases	decrease	VERB
fcis-7516	42	87	a	a	DET
fcis-7516	42	88	lot	lot	NOUN
fcis-7516	42	89	compared	compare	VERB
fcis-7516	42	90	to	to	ADP
fcis-7516	42	91	the	the	DET
fcis-7516	42	92	original	original	ADJ
fcis-7516	42	93	symmetric	symmetric	NOUN
fcis-7516	42	94	cipher	cipher	ADJ
fcis-7516	42	95	.	.	PUNCT
fcis-7516	43	1	similarly	similarly	ADV
fcis-7516	43	2	,	,	PUNCT
fcis-7516	43	3	the	the	DET
fcis-7516	43	4	literature	literature	NOUN
fcis-7516	43	5	[	[	X
fcis-7516	43	6	3	3	X
fcis-7516	43	7	]	]	PUNCT
fcis-7516	43	8	also	also	ADV
fcis-7516	43	9	proposes	propose	VERB
fcis-7516	43	10	the	the	DET
fcis-7516	43	11	use	use	NOUN
fcis-7516	43	12	of	of	ADP
fcis-7516	43	13	public	public	ADJ
fcis-7516	43	14	key	key	ADJ
fcis-7516	43	15	encryption	encryption	NOUN
fcis-7516	43	16	and	and	CCONJ
fcis-7516	43	17	decryption	decryption	NOUN
fcis-7516	43	18	algorithms	algorithm	NOUN
fcis-7516	43	19	for	for	ADP
fcis-7516	43	20	communication	communication	NOUN
fcis-7516	43	21	.	.	PUNCT
fcis-7516	44	1	in	in	ADP
fcis-7516	44	2	the	the	DET
fcis-7516	44	3	literature	literature	NOUN
fcis-7516	44	4	[	[	X
fcis-7516	44	5	4	4	NUM
fcis-7516	44	6	]	]	PUNCT
fcis-7516	44	7	,	,	PUNCT
fcis-7516	44	8	the	the	DET
fcis-7516	44	9	ecc	ecc	PROPN
fcis-7516	44	10	algorithm	algorithm	NOUN
fcis-7516	44	11	is	be	AUX
fcis-7516	44	12	used	use	VERB
fcis-7516	44	13	to	to	PART
fcis-7516	44	14	exchange	exchange	VERB
fcis-7516	44	15	keys	key	NOUN
fcis-7516	44	16	,	,	PUNCT
fcis-7516	44	17	allowing	allow	VERB
fcis-7516	44	18	the	the	DET
fcis-7516	44	19	initial	initial	ADJ
fcis-7516	44	20	authentication	authentication	NOUN
fcis-7516	44	21	process	process	NOUN
fcis-7516	44	22	(	(	PUNCT
fcis-7516	44	23	i.e.	i.e.	X
fcis-7516	44	24	,	,	PUNCT
fcis-7516	44	25	the	the	DET
fcis-7516	44	26	first	first	ADJ
fcis-7516	44	27	step	step	NOUN
fcis-7516	44	28	above	above	ADV
fcis-7516	44	29	)	)	PUNCT
fcis-7516	44	30	to	to	PART
fcis-7516	44	31	use	use	VERB
fcis-7516	44	32	a	a	DET
fcis-7516	44	33	different	different	ADJ
fcis-7516	44	34	key	key	NOUN
fcis-7516	44	35	for	for	ADP
fcis-7516	44	36	each	each	DET
fcis-7516	44	37	authentication	authentication	NOUN
fcis-7516	44	38	,	,	PUNCT
fcis-7516	44	39	thus	thus	ADV
fcis-7516	44	40	improving	improve	VERB
fcis-7516	44	41	the	the	DET
fcis-7516	44	42	security	security	NOUN
fcis-7516	44	43	of	of	ADP
fcis-7516	44	44	the	the	DET
fcis-7516	44	45	system	system	NOUN
fcis-7516	44	46	.	.	PUNCT
fcis-7516	45	1	and	and	CCONJ
fcis-7516	45	2	it	it	PRON
fcis-7516	45	3	is	be	AUX
fcis-7516	45	4	slightly	slightly	ADV
fcis-7516	45	5	more	more	ADV
fcis-7516	45	6	efficient	efficient	ADJ
fcis-7516	45	7	compared	compare	VERB
fcis-7516	45	8	to	to	ADP
fcis-7516	45	9	the	the	DET
fcis-7516	45	10	previous	previous	ADJ
fcis-7516	45	11	scheme	scheme	NOUN
fcis-7516	45	12	because	because	SCONJ
fcis-7516	45	13	only	only	ADV
fcis-7516	45	14	the	the	DET
fcis-7516	45	15	keys	key	NOUN
fcis-7516	45	16	are	be	AUX
fcis-7516	45	17	exchanged	exchange	VERB
fcis-7516	45	18	by	by	ADP
fcis-7516	45	19	this	this	DET
fcis-7516	45	20	algorithm	algorithm	NOUN
fcis-7516	45	21	and	and	CCONJ
fcis-7516	45	22	it	it	PRON
fcis-7516	45	23	is	be	AUX
fcis-7516	45	24	not	not	PART
fcis-7516	45	25	used	use	VERB
fcis-7516	45	26	for	for	ADP
fcis-7516	45	27	subsequent	subsequent	ADJ
fcis-7516	45	28	multi	multi	ADJ
fcis-7516	45	29	-	-	ADJ
fcis-7516	45	30	step	step	ADJ
fcis-7516	45	31	communication	communication	NOUN
fcis-7516	45	32	.	.	PUNCT
fcis-7516	46	1	some	some	PRON
fcis-7516	46	2	of	of	ADP
fcis-7516	46	3	the	the	DET
fcis-7516	46	4	improved	improved	ADJ
fcis-7516	46	5	schemes	scheme	NOUN
fcis-7516	46	6	replace	replace	VERB
fcis-7516	46	7	the	the	DET
fcis-7516	46	8	timestamp	timestamp	NOUN
fcis-7516	46	9	with	with	ADP
fcis-7516	46	10	a	a	DET
fcis-7516	46	11	random	random	ADJ
fcis-7516	46	12	number	number	NOUN
fcis-7516	46	13	or	or	CCONJ
fcis-7516	46	14	sequence	sequence	NOUN
fcis-7516	46	15	number	number	NOUN
fcis-7516	46	16	to	to	PART
fcis-7516	46	17	avoid	avoid	VERB
fcis-7516	46	18	replay	replay	NOUN
fcis-7516	46	19	attacks	attack	NOUN
fcis-7516	46	20	.	.	PUNCT
fcis-7516	47	1	in	in	ADP
fcis-7516	47	2	the	the	DET
fcis-7516	47	3	literature	literature	NOUN
fcis-7516	47	4	[	[	X
fcis-7516	47	5	5	5	NUM
fcis-7516	47	6	]	]	PUNCT
fcis-7516	47	7	,	,	PUNCT
fcis-7516	47	8	the	the	DET
fcis-7516	47	9	security	security	NOUN
fcis-7516	47	10	problem	problem	NOUN
fcis-7516	47	11	of	of	ADP
fcis-7516	47	12	replacing	replace	VERB
fcis-7516	47	13	the	the	DET
fcis-7516	47	14	timestamp	timestamp	NOUN
fcis-7516	47	15	with	with	SCONJ
fcis-7516	47	16	a	a	DET
fcis-7516	47	17	random	random	ADJ
fcis-7516	47	18	number	number	NOUN
fcis-7516	47	19	is	be	AUX
fcis-7516	47	20	analyzed	analyze	VERB
fcis-7516	47	21	,	,	PUNCT
fcis-7516	47	22	and	and	CCONJ
fcis-7516	47	23	a	a	DET
fcis-7516	47	24	scheme	scheme	NOUN
fcis-7516	47	25	combining	combine	VERB
fcis-7516	47	26	a	a	DET
fcis-7516	47	27	random	random	ADJ
fcis-7516	47	28	number	number	NOUN
fcis-7516	47	29	and	and	CCONJ
fcis-7516	47	30	a	a	DET
fcis-7516	47	31	sequence	sequence	NOUN
fcis-7516	47	32	number	number	NOUN
fcis-7516	47	33	is	be	AUX
fcis-7516	47	34	proposed	propose	VERB
fcis-7516	47	35	to	to	PART
fcis-7516	47	36	identify	identify	VERB
fcis-7516	47	37	the	the	DET
fcis-7516	47	38	messages	message	NOUN
fcis-7516	47	39	sent	send	VERB
fcis-7516	47	40	by	by	ADP
fcis-7516	47	41	the	the	DET
fcis-7516	47	42	user	user	NOUN
fcis-7516	47	43	to	to	PART
fcis-7516	47	44	improve	improve	VERB
fcis-7516	47	45	the	the	DET
fcis-7516	47	46	security	security	NOUN
fcis-7516	47	47	of	of	ADP
fcis-7516	47	48	the	the	DET
fcis-7516	47	49	system	system	NOUN
fcis-7516	47	50	,	,	PUNCT
fcis-7516	47	51	while	while	SCONJ
fcis-7516	47	52	the	the	DET
fcis-7516	47	53	communication	communication	NOUN
fcis-7516	47	54	process	process	NOUN
fcis-7516	47	55	also	also	ADV
fcis-7516	47	56	uses	use	VERB
fcis-7516	47	57	a	a	DET
fcis-7516	47	58	public	public	ADJ
fcis-7516	47	59	key	key	NOUN
fcis-7516	47	60	cipher	cipher	ADJ
fcis-7516	47	61	,	,	PUNCT
fcis-7516	47	62	which	which	PRON
fcis-7516	47	63	has	have	VERB
fcis-7516	47	64	the	the	DET
fcis-7516	47	65	same	same	ADJ
fcis-7516	47	66	efficiency	efficiency	NOUN
fcis-7516	47	67	problem	problem	NOUN
fcis-7516	47	68	as	as	ADP
fcis-7516	47	69	the	the	DET
fcis-7516	47	70	above	above	ADJ
fcis-7516	47	71	scheme	scheme	NOUN
fcis-7516	47	72	.	.	PUNCT
fcis-7516	48	1	the	the	DET
fcis-7516	48	2	literature	literature	NOUN
fcis-7516	48	3	[	[	X
fcis-7516	48	4	6	6	NUM
fcis-7516	48	5	]	]	PUNCT
fcis-7516	48	6	stipulates	stipulate	VERB
fcis-7516	48	7	that	that	SCONJ
fcis-7516	48	8	the	the	DET
fcis-7516	48	9	user	user	NOUN
fcis-7516	48	10	and	and	CCONJ
fcis-7516	48	11	the	the	DET
fcis-7516	48	12	kdc	kdc	PROPN
fcis-7516	48	13	store	store	PROPN
fcis-7516	48	14	multiple	multiple	ADJ
fcis-7516	48	15	random	random	ADJ
fcis-7516	48	16	keys	key	NOUN
fcis-7516	48	17	and	and	CCONJ
fcis-7516	48	18	random	random	ADJ
fcis-7516	48	19	numbers	number	NOUN
fcis-7516	48	20	respectively	respectively	ADV
fcis-7516	48	21	,	,	PUNCT
fcis-7516	48	22	and	and	CCONJ
fcis-7516	48	23	each	each	DET
fcis-7516	48	24	communication	communication	NOUN
fcis-7516	48	25	then	then	ADV
fcis-7516	48	26	randomly	randomly	ADV
fcis-7516	48	27	selects	select	VERB
fcis-7516	48	28	a	a	DET
fcis-7516	48	29	random	random	ADJ
fcis-7516	48	30	key	key	ADJ
fcis-7516	48	31	and	and	CCONJ
fcis-7516	48	32	random	random	ADJ
fcis-7516	48	33	number	number	NOUN
fcis-7516	48	34	to	to	PART
fcis-7516	48	35	communicate	communicate	VERB
fcis-7516	48	36	,	,	PUNCT
fcis-7516	48	37	and	and	CCONJ
fcis-7516	48	38	the	the	DET
fcis-7516	48	39	communication	communication	NOUN
fcis-7516	48	40	process	process	NOUN
fcis-7516	48	41	still	still	ADV
fcis-7516	48	42	uses	use	VERB
fcis-7516	48	43	des	des	PROPN
fcis-7516	48	44	,	,	PUNCT
fcis-7516	48	45	and	and	CCONJ
fcis-7516	48	46	the	the	DET
fcis-7516	48	47	authentication	authentication	NOUN
fcis-7516	48	48	efficiency	efficiency	NOUN
fcis-7516	48	49	of	of	ADP
fcis-7516	48	50	this	this	DET
fcis-7516	48	51	scheme	scheme	NOUN
fcis-7516	48	52	is	be	AUX
fcis-7516	48	53	almost	almost	ADV
fcis-7516	48	54	no	no	ADV
fcis-7516	48	55	different	different	ADJ
fcis-7516	48	56	from	from	ADP
fcis-7516	48	57	the	the	DET
fcis-7516	48	58	original	original	ADJ
fcis-7516	48	59	version	version	NOUN
fcis-7516	48	60	,	,	PUNCT
fcis-7516	48	61	but	but	CCONJ
fcis-7516	48	62	how	how	SCONJ
fcis-7516	48	63	to	to	PART
fcis-7516	48	64	synchronize	synchronize	VERB
fcis-7516	48	65	between	between	ADP
fcis-7516	48	66	various	various	ADJ
fcis-7516	48	67	random	random	ADJ
fcis-7516	48	68	numbers	number	NOUN
fcis-7516	48	69	in	in	ADP
fcis-7516	48	70	this	this	DET
fcis-7516	48	71	scheme	scheme	NOUN
fcis-7516	48	72	should	should	AUX
fcis-7516	48	73	be	be	AUX
fcis-7516	48	74	the	the	DET
fcis-7516	48	75	biggest	big	ADJ
fcis-7516	48	76	security	security	NOUN
fcis-7516	48	77	problem	problem	NOUN
fcis-7516	48	78	,	,	PUNCT
fcis-7516	48	79	which	which	PRON
fcis-7516	48	80	is	be	AUX
fcis-7516	48	81	not	not	PART
fcis-7516	48	82	mentioned	mention	VERB
fcis-7516	48	83	in	in	ADP
fcis-7516	48	84	the	the	DET
fcis-7516	48	85	original	original	ADJ
fcis-7516	48	86	text	text	NOUN
fcis-7516	48	87	,	,	PUNCT
fcis-7516	48	88	and	and	CCONJ
fcis-7516	48	89	the	the	DET
fcis-7516	48	90	frequent	frequent	ADJ
fcis-7516	48	91	data	data	NOUN
fcis-7516	48	92	updates	update	NOUN
fcis-7516	48	93	can	can	AUX
fcis-7516	48	94	also	also	ADV
fcis-7516	48	95	cause	cause	VERB
fcis-7516	48	96	considerable	considerable	ADJ
fcis-7516	48	97	stress	stress	NOUN
fcis-7516	48	98	on	on	ADP
fcis-7516	48	99	the	the	DET
fcis-7516	48	100	system	system	NOUN
fcis-7516	48	101	program	program	NOUN
fcis-7516	48	102	.	.	PUNCT
fcis-7516	49	1	the	the	DET
fcis-7516	49	2	literature	literature	NOUN
fcis-7516	49	3	[	[	X
fcis-7516	49	4	7	7	X
fcis-7516	49	5	]	]	PUNCT
fcis-7516	49	6	proposes	propose	VERB
fcis-7516	49	7	a	a	DET
fcis-7516	49	8	dynamic	dynamic	ADJ
fcis-7516	49	9	cryptosystem	cryptosystem	NOUN
fcis-7516	49	10	using	use	VERB
fcis-7516	49	11	logistic	logistic	ADJ
fcis-7516	49	12	mapping	mapping	NOUN
fcis-7516	49	13	to	to	PART
fcis-7516	49	14	generate	generate	VERB
fcis-7516	49	15	the	the	DET
fcis-7516	49	16	keys	key	NOUN
fcis-7516	49	17	used	use	VERB
fcis-7516	49	18	by	by	ADP
fcis-7516	49	19	the	the	DET
fcis-7516	49	20	des	des	PROPN
fcis-7516	49	21	algorithm	algorithm	PROPN
fcis-7516	49	22	,	,	PUNCT
fcis-7516	49	23	allowing	allow	VERB
fcis-7516	49	24	the	the	DET
fcis-7516	49	25	keys	key	NOUN
fcis-7516	49	26	to	to	PART
fcis-7516	49	27	have	have	VERB
fcis-7516	49	28	dynamic	dynamic	ADJ
fcis-7516	49	29	randomness	randomness	NOUN
fcis-7516	49	30	while	while	SCONJ
fcis-7516	49	31	ensuring	ensure	VERB
fcis-7516	49	32	the	the	DET
fcis-7516	49	33	efficiency	efficiency	NOUN
fcis-7516	49	34	of	of	ADP
fcis-7516	49	35	authentication	authentication	NOUN
fcis-7516	49	36	,	,	PUNCT
fcis-7516	49	37	but	but	CCONJ
fcis-7516	49	38	the	the	DET
fcis-7516	49	39	scheme	scheme	NOUN
fcis-7516	49	40	is	be	AUX
fcis-7516	49	41	still	still	ADV
fcis-7516	49	42	difficult	difficult	ADJ
fcis-7516	49	43	to	to	PART
fcis-7516	49	44	apply	apply	VERB
fcis-7516	49	45	in	in	ADP
fcis-7516	49	46	concrete	concrete	ADJ
fcis-7516	49	47	implementations	implementation	NOUN
fcis-7516	49	48	.	.	PUNCT
fcis-7516	50	1	in	in	ADP
fcis-7516	50	2	this	this	DET
fcis-7516	50	3	paper	paper	NOUN
fcis-7516	50	4	,	,	PUNCT
fcis-7516	50	5	we	we	PRON
fcis-7516	50	6	propose	propose	VERB
fcis-7516	50	7	a	a	DET
fcis-7516	50	8	simpler	simple	ADJ
fcis-7516	50	9	scheme	scheme	NOUN
fcis-7516	50	10	that	that	PRON
fcis-7516	50	11	uses	use	VERB
fcis-7516	50	12	the	the	DET
fcis-7516	50	13	dhr	dhr	PROPN
fcis-7516	50	14	atypical	atypical	ADJ
fcis-7516	50	15	construction	construction	NOUN
fcis-7516	50	16	to	to	PART
fcis-7516	50	17	provide	provide	VERB
fcis-7516	50	18	dynamicity	dynamicity	NOUN
fcis-7516	50	19	and	and	CCONJ
fcis-7516	50	20	randomness	randomness	NOUN
fcis-7516	50	21	to	to	ADP
fcis-7516	50	22	the	the	DET
fcis-7516	50	23	keys	key	NOUN
fcis-7516	50	24	,	,	PUNCT
fcis-7516	50	25	and	and	CCONJ
fcis-7516	50	26	achieves	achieve	VERB
fcis-7516	50	27	the	the	DET
fcis-7516	50	28	level	level	NOUN
fcis-7516	50	29	of	of	ADP
fcis-7516	50	30	security	security	NOUN
fcis-7516	50	31	in	in	ADP
fcis-7516	50	32	the	the	DET
fcis-7516	50	33	above	above	ADJ
fcis-7516	50	34	scheme	scheme	NOUN
fcis-7516	50	35	while	while	SCONJ
fcis-7516	50	36	guaranteeing	guarantee	VERB
fcis-7516	50	37	authentication	authentication	NOUN
fcis-7516	50	38	efficiency	efficiency	NOUN
fcis-7516	50	39	.	.	PUNCT
fcis-7516	51	1	3	3	X
fcis-7516	51	2	.	.	X
fcis-7516	51	3	dhr	dhr	PROPN
fcis-7516	51	4	atypical	atypical	ADJ
fcis-7516	51	5	structure	structure	NOUN
fcis-7516	51	6	in	in	ADP
fcis-7516	51	7	the	the	DET
fcis-7516	51	8	existing	exist	VERB
fcis-7516	51	9	cyberspace	cyberspace	NOUN
fcis-7516	51	10	,	,	PUNCT
fcis-7516	51	11	the	the	DET
fcis-7516	51	12	network	network	NOUN
fcis-7516	51	13	system	system	NOUN
fcis-7516	51	14	has	have	VERB
fcis-7516	51	15	a	a	DET
fcis-7516	51	16	high	high	ADJ
fcis-7516	51	17	risk	risk	NOUN
fcis-7516	51	18	due	due	ADP
fcis-7516	51	19	to	to	ADP
fcis-7516	51	20	its	its	PRON
fcis-7516	51	21	lack	lack	NOUN
fcis-7516	51	22	of	of	ADP
fcis-7516	51	23	defense	defense	NOUN
fcis-7516	51	24	against	against	ADP
fcis-7516	51	25	unknown	unknown	ADJ
fcis-7516	51	26	attacks	attack	NOUN
fcis-7516	51	27	,	,	PUNCT
fcis-7516	51	28	the	the	DET
fcis-7516	51	29	system	system	NOUN
fcis-7516	51	30	itself	itself	PRON
fcis-7516	51	31	having	having	AUX
fcis-7516	51	32	known	know	VERB
fcis-7516	51	33	or	or	CCONJ
fcis-7516	51	34	unknown	unknown	ADJ
fcis-7516	51	35	vulnerabilities	vulnerability	NOUN
fcis-7516	51	36	,	,	PUNCT
fcis-7516	51	37	and	and	CCONJ
fcis-7516	51	38	its	its	PRON
fcis-7516	51	39	inability	inability	NOUN
fcis-7516	51	40	to	to	PART
fcis-7516	51	41	cope	cope	VERB
fcis-7516	51	42	with	with	ADP
fcis-7516	51	43	the	the	DET
fcis-7516	51	44	rapidly	rapidly	ADV
fcis-7516	51	45	evolving	evolve	VERB
fcis-7516	51	46	cyberattack	cyberattack	NOUN
fcis-7516	51	47	techniques	technique	NOUN
fcis-7516	51	48	,	,	PUNCT
fcis-7516	51	49	which	which	PRON
fcis-7516	51	50	are	be	AUX
fcis-7516	51	51	called	call	VERB
fcis-7516	51	52	endogenous	endogenous	ADJ
fcis-7516	51	53	security	security	NOUN
fcis-7516	51	54	problems	problem	NOUN
fcis-7516	51	55	in	in	ADP
fcis-7516	51	56	cyberspace	cyberspace	NOUN
fcis-7516	51	57	.	.	PUNCT
fcis-7516	52	1	in	in	ADP
fcis-7516	52	2	order	order	NOUN
fcis-7516	52	3	to	to	PART
fcis-7516	52	4	solve	solve	VERB
fcis-7516	52	5	this	this	DET
fcis-7516	52	6	problem	problem	NOUN
fcis-7516	52	7	,	,	PUNCT
fcis-7516	52	8	the	the	DET
fcis-7516	52	9	domestic	domestic	ADJ
fcis-7516	52	10	team	team	NOUN
fcis-7516	52	11	has	have	AUX
fcis-7516	52	12	proposed	propose	VERB
fcis-7516	52	13	a	a	DET
fcis-7516	52	14	mimetic	mimetic	ADJ
fcis-7516	52	15	defense	defense	NOUN
fcis-7516	52	16	with	with	ADP
fcis-7516	52	17	dynamic	dynamic	ADJ
fcis-7516	52	18	heterogeneous	heterogeneous	ADJ
fcis-7516	52	19	redundancy	redundancy	NOUN
fcis-7516	52	20	construct	construct	NOUN
fcis-7516	52	21	(	(	PUNCT
fcis-7516	52	22	dhr	dhr	NOUN
fcis-7516	52	23	construct	construct	VERB
fcis-7516	52	24	)	)	PUNCT
fcis-7516	52	25	as	as	ADP
fcis-7516	52	26	the	the	DET
fcis-7516	52	27	key	key	ADJ
fcis-7516	52	28	core	core	NOUN
fcis-7516	52	29	in	in	ADP
fcis-7516	52	30	several	several	ADJ
fcis-7516	52	31	years	year	NOUN
fcis-7516	52	32	of	of	ADP
fcis-7516	52	33	research	research	NOUN
fcis-7516	52	34	and	and	CCONJ
fcis-7516	52	35	practice	practice	NOUN
fcis-7516	52	36	,	,	PUNCT
fcis-7516	52	37	which	which	PRON
fcis-7516	52	38	is	be	AUX
fcis-7516	52	39	intended	intend	VERB
fcis-7516	52	40	to	to	PART
fcis-7516	52	41	be	be	AUX
fcis-7516	52	42	used	use	VERB
fcis-7516	52	43	to	to	PART
fcis-7516	52	44	solve	solve	VERB
fcis-7516	52	45	the	the	DET
fcis-7516	52	46	above	above	ADJ
fcis-7516	52	47	endogenous	endogenous	ADJ
fcis-7516	52	48	security	security	NOUN
fcis-7516	52	49	problem[8	problem[8	ADV
fcis-7516	52	50	]	]	PUNCT
fcis-7516	52	51	.	.	PUNCT
fcis-7516	53	1	dhr	dhr	PROPN
fcis-7516	53	2	constructs	construct	NOUN
fcis-7516	53	3	are	be	AUX
fcis-7516	53	4	proposed	propose	VERB
fcis-7516	53	5	to	to	PART
fcis-7516	53	6	provide	provide	VERB
fcis-7516	53	7	dynamic	dynamic	ADJ
fcis-7516	53	8	,	,	PUNCT
fcis-7516	53	9	random	random	ADJ
fcis-7516	53	10	,	,	PUNCT
fcis-7516	53	11	and	and	CCONJ
fcis-7516	53	12	heterogeneous	heterogeneous	ADJ
fcis-7516	53	13	nature	nature	NOUN
fcis-7516	53	14	to	to	ADP
fcis-7516	53	15	network	network	NOUN
fcis-7516	53	16	systems	system	NOUN
fcis-7516	53	17	,	,	PUNCT
fcis-7516	53	18	and	and	CCONJ
fcis-7516	53	19	to	to	PART
fcis-7516	53	20	cope	cope	VERB
fcis-7516	53	21	with	with	ADP
fcis-7516	53	22	different	different	ADJ
fcis-7516	53	23	security	security	NOUN
fcis-7516	53	24	problems	problem	NOUN
fcis-7516	53	25	,	,	PUNCT
fcis-7516	53	26	dhr	dhr	PROPN
fcis-7516	53	27	constructs	construct	NOUN
fcis-7516	53	28	are	be	AUX
fcis-7516	53	29	subdivided	subdivide	VERB
fcis-7516	53	30	into	into	ADP
fcis-7516	53	31	two	two	NUM
fcis-7516	53	32	categories	category	NOUN
fcis-7516	53	33	:	:	PUNCT
fcis-7516	53	34	typical	typical	ADJ
fcis-7516	53	35	and	and	CCONJ
fcis-7516	53	36	atypical	atypical	ADJ
fcis-7516	53	37	constructs	construct	NOUN
fcis-7516	53	38	,	,	PUNCT
fcis-7516	53	39	as	as	SCONJ
fcis-7516	53	40	shown	show	VERB
fcis-7516	53	41	in	in	ADP
fcis-7516	53	42	the	the	DET
fcis-7516	53	43	following	follow	VERB
fcis-7516	53	44	figure	figure	NOUN
fcis-7516	53	45	.	.	PUNCT
fcis-7516	54	1	figure	figure	NOUN
fcis-7516	54	2	1	1	NUM
fcis-7516	54	3	.	.	PUNCT
fcis-7516	55	1	dhr	dhr	PROPN
fcis-7516	55	2	typical	typical	ADJ
fcis-7516	55	3	construction	construction	NOUN
fcis-7516	55	4	figure	figure	NOUN
fcis-7516	55	5	2	2	NUM
fcis-7516	55	6	.	.	X
fcis-7516	55	7	dhr	dhr	PROPN
fcis-7516	55	8	atypical	atypical	ADJ
fcis-7516	55	9	construction	construction	NOUN
fcis-7516	55	10	the	the	DET
fcis-7516	55	11	difference	difference	NOUN
fcis-7516	55	12	between	between	ADP
fcis-7516	55	13	these	these	DET
fcis-7516	55	14	two	two	NUM
fcis-7516	55	15	types	type	NOUN
fcis-7516	55	16	of	of	ADP
fcis-7516	55	17	models	model	NOUN
fcis-7516	55	18	is	be	AUX
fcis-7516	55	19	that	that	SCONJ
fcis-7516	55	20	in	in	ADP
fcis-7516	55	21	the	the	DET
fcis-7516	55	22	typical	typical	ADJ
fcis-7516	55	23	construct	construct	NOUN
fcis-7516	55	24	,	,	PUNCT
fcis-7516	55	25	several	several	ADJ
fcis-7516	55	26	heterogeneous	heterogeneous	ADJ
fcis-7516	55	27	executors	executor	NOUN
fcis-7516	55	28	are	be	AUX
fcis-7516	55	29	80	80	NUM
fcis-7516	55	30	selected	select	VERB
fcis-7516	55	31	to	to	PART
fcis-7516	55	32	execute	execute	VERB
fcis-7516	55	33	together	together	ADV
fcis-7516	55	34	for	for	ADP
fcis-7516	55	35	each	each	DET
fcis-7516	55	36	input	input	NOUN
fcis-7516	55	37	,	,	PUNCT
fcis-7516	55	38	while	while	SCONJ
fcis-7516	55	39	in	in	ADP
fcis-7516	55	40	the	the	DET
fcis-7516	55	41	atypical	atypical	ADJ
fcis-7516	55	42	construct	construct	NOUN
fcis-7516	55	43	,	,	PUNCT
fcis-7516	55	44	only	only	ADV
fcis-7516	55	45	one	one	NUM
fcis-7516	55	46	executor	executor	NOUN
fcis-7516	55	47	is	be	AUX
fcis-7516	55	48	selected	select	VERB
fcis-7516	55	49	to	to	PART
fcis-7516	55	50	execute	execute	VERB
fcis-7516	55	51	.	.	PUNCT
fcis-7516	56	1	the	the	DET
fcis-7516	56	2	feedback	feedback	NOUN
fcis-7516	56	3	and	and	CCONJ
fcis-7516	56	4	voting	voting	NOUN
fcis-7516	56	5	mechanisms	mechanism	NOUN
fcis-7516	56	6	in	in	ADP
fcis-7516	56	7	the	the	DET
fcis-7516	56	8	typical	typical	ADJ
fcis-7516	56	9	construct	construct	NOUN
fcis-7516	56	10	of	of	ADP
fcis-7516	56	11	dhr	dhr	NOUN
fcis-7516	56	12	make	make	VERB
fcis-7516	56	13	it	it	PRON
fcis-7516	56	14	impossible	impossible	ADJ
fcis-7516	56	15	for	for	ADP
fcis-7516	56	16	the	the	DET
fcis-7516	56	17	result	result	NOUN
fcis-7516	56	18	of	of	ADP
fcis-7516	56	19	an	an	DET
fcis-7516	56	20	attack	attack	NOUN
fcis-7516	56	21	to	to	PART
fcis-7516	56	22	pass	pass	VERB
fcis-7516	56	23	the	the	DET
fcis-7516	56	24	voter	voter	NOUN
fcis-7516	56	25	even	even	ADV
fcis-7516	56	26	if	if	SCONJ
fcis-7516	56	27	one	one	NUM
fcis-7516	56	28	of	of	ADP
fcis-7516	56	29	the	the	DET
fcis-7516	56	30	executors	executor	NOUN
fcis-7516	56	31	in	in	ADP
fcis-7516	56	32	the	the	DET
fcis-7516	56	33	system	system	NOUN
fcis-7516	56	34	is	be	AUX
fcis-7516	56	35	under	under	ADP
fcis-7516	56	36	attack	attack	NOUN
fcis-7516	56	37	or	or	CCONJ
fcis-7516	56	38	has	have	VERB
fcis-7516	56	39	a	a	DET
fcis-7516	56	40	vulnerability	vulnerability	NOUN
fcis-7516	56	41	,	,	PUNCT
fcis-7516	56	42	and	and	CCONJ
fcis-7516	56	43	the	the	DET
fcis-7516	56	44	executor	executor	NOUN
fcis-7516	56	45	with	with	ADP
fcis-7516	56	46	the	the	DET
fcis-7516	56	47	vulnerability	vulnerability	NOUN
fcis-7516	56	48	will	will	AUX
fcis-7516	56	49	be	be	AUX
fcis-7516	56	50	fed	feed	VERB
fcis-7516	56	51	back	back	ADV
fcis-7516	56	52	and	and	CCONJ
fcis-7516	56	53	cleaned	clean	VERB
fcis-7516	56	54	.	.	PUNCT
fcis-7516	57	1	dhr	dhr	PROPN
fcis-7516	57	2	atypical	atypical	ADJ
fcis-7516	57	3	constructs	construct	NOUN
fcis-7516	57	4	are	be	AUX
fcis-7516	57	5	more	more	ADV
fcis-7516	57	6	efficient	efficient	ADJ
fcis-7516	57	7	and	and	CCONJ
fcis-7516	57	8	take	take	VERB
fcis-7516	57	9	less	less	ADJ
fcis-7516	57	10	space	space	NOUN
fcis-7516	57	11	.	.	PUNCT
fcis-7516	58	1	the	the	DET
fcis-7516	58	2	atypical	atypical	ADJ
fcis-7516	58	3	construct	construct	NOUN
fcis-7516	58	4	is	be	AUX
fcis-7516	58	5	based	base	VERB
fcis-7516	58	6	on	on	ADP
fcis-7516	58	7	the	the	DET
fcis-7516	58	8	fact	fact	NOUN
fcis-7516	58	9	that	that	SCONJ
fcis-7516	58	10	the	the	DET
fcis-7516	58	11	target	target	NOUN
fcis-7516	58	12	system	system	NOUN
fcis-7516	58	13	is	be	AUX
fcis-7516	58	14	functionally	functionally	ADV
fcis-7516	58	15	recoverable	recoverable	ADJ
fcis-7516	58	16	and	and	CCONJ
fcis-7516	58	17	allows	allow	VERB
fcis-7516	58	18	a	a	DET
fcis-7516	58	19	certain	certain	ADJ
fcis-7516	58	20	degree	degree	NOUN
fcis-7516	58	21	of	of	ADP
fcis-7516	58	22	information	information	NOUN
fcis-7516	58	23	leakage	leakage	NOUN
fcis-7516	58	24	within	within	ADP
fcis-7516	58	25	a	a	DET
fcis-7516	58	26	certain	certain	ADJ
fcis-7516	58	27	time	time	NOUN
fcis-7516	58	28	window	window	NOUN
fcis-7516	58	29	,	,	PUNCT
fcis-7516	58	30	using	use	VERB
fcis-7516	58	31	a	a	DET
fcis-7516	58	32	dynamic	dynamic	ADJ
fcis-7516	58	33	,	,	PUNCT
fcis-7516	58	34	randomized	randomized	ADJ
fcis-7516	58	35	approach	approach	NOUN
fcis-7516	58	36	that	that	PRON
fcis-7516	58	37	affects	affect	VERB
fcis-7516	58	38	the	the	DET
fcis-7516	58	39	reproducibility	reproducibility	NOUN
fcis-7516	58	40	of	of	ADP
fcis-7516	58	41	the	the	DET
fcis-7516	58	42	effect	effect	NOUN
fcis-7516	58	43	of	of	ADP
fcis-7516	58	44	the	the	DET
fcis-7516	58	45	attack	attack	NOUN
fcis-7516	58	46	,	,	PUNCT
fcis-7516	58	47	thus	thus	ADV
fcis-7516	58	48	making	make	VERB
fcis-7516	58	49	the	the	DET
fcis-7516	58	50	attack	attack	NOUN
fcis-7516	58	51	itself	itself	PRON
fcis-7516	58	52	less	less	ADV
fcis-7516	58	53	or	or	CCONJ
fcis-7516	58	54	less	less	ADV
fcis-7516	58	55	valuable	valuable	ADJ
fcis-7516	58	56	for	for	ADP
fcis-7516	58	57	sustainable	sustainable	ADJ
fcis-7516	58	58	exploitation	exploitation	NOUN
fcis-7516	58	59	.	.	PUNCT
fcis-7516	59	1	the	the	DET
fcis-7516	59	2	kerberos	kerberos	PROPN
fcis-7516	59	3	authentication	authentication	NOUN
fcis-7516	59	4	protocol	protocol	NOUN
fcis-7516	59	5	to	to	PART
fcis-7516	59	6	be	be	AUX
fcis-7516	59	7	improved	improve	VERB
fcis-7516	59	8	in	in	ADP
fcis-7516	59	9	this	this	DET
fcis-7516	59	10	paper	paper	NOUN
fcis-7516	59	11	operates	operate	VERB
fcis-7516	59	12	in	in	ADP
fcis-7516	59	13	an	an	DET
fcis-7516	59	14	open	open	ADJ
fcis-7516	59	15	network	network	NOUN
fcis-7516	59	16	,	,	PUNCT
fcis-7516	59	17	where	where	SCONJ
fcis-7516	59	18	both	both	DET
fcis-7516	59	19	security	security	NOUN
fcis-7516	59	20	and	and	CCONJ
fcis-7516	59	21	efficiency	efficiency	NOUN
fcis-7516	59	22	are	be	AUX
fcis-7516	59	23	key	key	ADJ
fcis-7516	59	24	considerations	consideration	NOUN
fcis-7516	59	25	for	for	ADP
fcis-7516	59	26	the	the	DET
fcis-7516	59	27	authentication	authentication	NOUN
fcis-7516	59	28	protocol	protocol	NOUN
fcis-7516	59	29	.	.	PUNCT
fcis-7516	60	1	the	the	DET
fcis-7516	60	2	attack	attack	NOUN
fcis-7516	60	3	on	on	ADP
fcis-7516	60	4	this	this	DET
fcis-7516	60	5	protocol	protocol	NOUN
fcis-7516	60	6	is	be	AUX
fcis-7516	60	7	mainly	mainly	ADV
fcis-7516	60	8	to	to	PART
fcis-7516	60	9	analyze	analyze	VERB
fcis-7516	60	10	and	and	CCONJ
fcis-7516	60	11	crack	crack	VERB
fcis-7516	60	12	the	the	DET
fcis-7516	60	13	data	datum	NOUN
fcis-7516	60	14	captured	capture	VERB
fcis-7516	60	15	in	in	ADP
fcis-7516	60	16	the	the	DET
fcis-7516	60	17	communication	communication	NOUN
fcis-7516	60	18	,	,	PUNCT
fcis-7516	60	19	and	and	CCONJ
fcis-7516	60	20	once	once	SCONJ
fcis-7516	60	21	the	the	DET
fcis-7516	60	22	user	user	NOUN
fcis-7516	60	23	key	key	NOUN
fcis-7516	60	24	is	be	AUX
fcis-7516	60	25	cracked	crack	VERB
fcis-7516	60	26	,	,	PUNCT
fcis-7516	60	27	the	the	DET
fcis-7516	60	28	attack	attack	NOUN
fcis-7516	60	29	will	will	AUX
fcis-7516	60	30	be	be	AUX
fcis-7516	60	31	continuous	continuous	ADJ
fcis-7516	60	32	and	and	CCONJ
fcis-7516	60	33	reproducible	reproducible	ADJ
fcis-7516	60	34	,	,	PUNCT
fcis-7516	60	35	while	while	SCONJ
fcis-7516	60	36	the	the	DET
fcis-7516	60	37	authentication	authentication	NOUN
fcis-7516	60	38	system	system	NOUN
fcis-7516	60	39	itself	itself	PRON
fcis-7516	60	40	generally	generally	ADV
fcis-7516	60	41	does	do	AUX
fcis-7516	60	42	not	not	PART
fcis-7516	60	43	have	have	VERB
fcis-7516	60	44	functional	functional	ADJ
fcis-7516	60	45	problems	problem	NOUN
fcis-7516	60	46	such	such	ADJ
fcis-7516	60	47	as	as	ADP
fcis-7516	60	48	vulnerabilities	vulnerability	NOUN
fcis-7516	60	49	.	.	PUNCT
fcis-7516	61	1	the	the	DET
fcis-7516	61	2	complexity	complexity	NOUN
fcis-7516	61	3	of	of	ADP
fcis-7516	61	4	the	the	DET
fcis-7516	61	5	typical	typical	ADJ
fcis-7516	61	6	construction	construction	NOUN
fcis-7516	61	7	of	of	ADP
fcis-7516	61	8	dhr	dhr	PROPN
fcis-7516	61	9	and	and	CCONJ
fcis-7516	61	10	multiple	multiple	ADJ
fcis-7516	61	11	constructs	construct	NOUN
fcis-7516	61	12	do	do	AUX
fcis-7516	61	13	not	not	PART
fcis-7516	61	14	meet	meet	VERB
fcis-7516	61	15	the	the	DET
fcis-7516	61	16	needs	need	NOUN
fcis-7516	61	17	of	of	ADP
fcis-7516	61	18	the	the	DET
fcis-7516	61	19	kerberos	kerberos	PROPN
fcis-7516	61	20	authentication	authentication	NOUN
fcis-7516	61	21	protocol	protocol	NOUN
fcis-7516	61	22	,	,	PUNCT
fcis-7516	61	23	so	so	SCONJ
fcis-7516	61	24	we	we	PRON
fcis-7516	61	25	try	try	VERB
fcis-7516	61	26	to	to	PART
fcis-7516	61	27	implement	implement	VERB
fcis-7516	61	28	one	one	NUM
fcis-7516	61	29	based	base	VERB
fcis-7516	61	30	on	on	ADP
fcis-7516	61	31	the	the	DET
fcis-7516	61	32	atypical	atypical	ADJ
fcis-7516	61	33	construction	construction	NOUN
fcis-7516	61	34	of	of	ADP
fcis-7516	61	35	dhr	dhr	PROPN
fcis-7516	61	36	kerberos	kerberos	PROPN
fcis-7516	61	37	authentication	authentication	NOUN
fcis-7516	61	38	protocol	protocol	NOUN
fcis-7516	61	39	based	base	VERB
fcis-7516	61	40	on	on	ADP
fcis-7516	61	41	the	the	DET
fcis-7516	61	42	dhr	dhr	PROPN
fcis-7516	61	43	atypical	atypical	ADJ
fcis-7516	61	44	construct	construct	NOUN
fcis-7516	61	45	to	to	PART
fcis-7516	61	46	solve	solve	VERB
fcis-7516	61	47	the	the	DET
fcis-7516	61	48	above	above	ADJ
fcis-7516	61	49	problems	problem	NOUN
fcis-7516	61	50	.	.	PUNCT
fcis-7516	62	1	the	the	DET
fcis-7516	62	2	key	key	NOUN
fcis-7516	62	3	of	of	ADP
fcis-7516	62	4	the	the	DET
fcis-7516	62	5	dhr	dhr	PROPN
fcis-7516	62	6	atypical	atypical	ADJ
fcis-7516	62	7	construct	construct	NOUN
fcis-7516	62	8	is	be	AUX
fcis-7516	62	9	that	that	SCONJ
fcis-7516	62	10	the	the	DET
fcis-7516	62	11	information	information	NOUN
fcis-7516	62	12	system	system	NOUN
fcis-7516	62	13	needs	need	VERB
fcis-7516	62	14	to	to	PART
fcis-7516	62	15	reserve	reserve	VERB
fcis-7516	62	16	multiple	multiple	ADJ
fcis-7516	62	17	executors	executor	NOUN
fcis-7516	62	18	and	and	CCONJ
fcis-7516	62	19	select	select	VERB
fcis-7516	62	20	one	one	NUM
fcis-7516	62	21	of	of	ADP
fcis-7516	62	22	them	they	PRON
fcis-7516	62	23	to	to	PART
fcis-7516	62	24	execute	execute	VERB
fcis-7516	62	25	when	when	SCONJ
fcis-7516	62	26	the	the	DET
fcis-7516	62	27	system	system	NOUN
fcis-7516	62	28	is	be	AUX
fcis-7516	62	29	running	run	VERB
fcis-7516	62	30	,	,	PUNCT
fcis-7516	62	31	so	so	SCONJ
fcis-7516	62	32	as	as	SCONJ
fcis-7516	62	33	to	to	PART
fcis-7516	62	34	provide	provide	VERB
fcis-7516	62	35	the	the	DET
fcis-7516	62	36	information	information	NOUN
fcis-7516	62	37	system	system	NOUN
fcis-7516	62	38	with	with	ADP
fcis-7516	62	39	dynamism	dynamism	NOUN
fcis-7516	62	40	and	and	CCONJ
fcis-7516	62	41	randomness	randomness	NOUN
fcis-7516	62	42	by	by	ADP
fcis-7516	62	43	dynamically	dynamically	ADV
fcis-7516	62	44	selecting	select	VERB
fcis-7516	62	45	different	different	ADJ
fcis-7516	62	46	executors	executor	NOUN
fcis-7516	62	47	at	at	ADP
fcis-7516	62	48	each	each	DET
fcis-7516	62	49	run	run	NOUN
fcis-7516	62	50	.	.	PUNCT
fcis-7516	63	1	in	in	ADP
fcis-7516	63	2	kerberos	kerberos	PROPN
fcis-7516	63	3	authentication	authentication	NOUN
fcis-7516	63	4	protocol	protocol	NOUN
fcis-7516	63	5	,	,	PUNCT
fcis-7516	63	6	both	both	CCONJ
fcis-7516	63	7	the	the	DET
fcis-7516	63	8	encryption	encryption	NOUN
fcis-7516	63	9	and	and	CCONJ
fcis-7516	63	10	decryption	decryption	NOUN
fcis-7516	63	11	algorithms	algorithm	NOUN
fcis-7516	63	12	and	and	CCONJ
fcis-7516	63	13	the	the	DET
fcis-7516	63	14	keys	key	NOUN
fcis-7516	63	15	used	use	VERB
fcis-7516	63	16	in	in	ADP
fcis-7516	63	17	the	the	DET
fcis-7516	63	18	algorithms	algorithm	NOUN
fcis-7516	63	19	can	can	AUX
fcis-7516	63	20	be	be	AUX
fcis-7516	63	21	regarded	regard	VERB
fcis-7516	63	22	as	as	ADP
fcis-7516	63	23	executors	executor	NOUN
fcis-7516	63	24	,	,	PUNCT
fcis-7516	63	25	but	but	CCONJ
fcis-7516	63	26	there	there	PRON
fcis-7516	63	27	are	be	VERB
fcis-7516	63	28	fewer	few	ADJ
fcis-7516	63	29	encryption	encryption	NOUN
fcis-7516	63	30	and	and	CCONJ
fcis-7516	63	31	decryption	decryption	NOUN
fcis-7516	63	32	algorithms	algorithm	NOUN
fcis-7516	63	33	to	to	PART
fcis-7516	63	34	choose	choose	VERB
fcis-7516	63	35	from	from	ADP
fcis-7516	63	36	,	,	PUNCT
fcis-7516	63	37	and	and	CCONJ
fcis-7516	63	38	the	the	DET
fcis-7516	63	39	dynamism	dynamism	NOUN
fcis-7516	63	40	and	and	CCONJ
fcis-7516	63	41	randomness	randomness	NOUN
fcis-7516	63	42	are	be	AUX
fcis-7516	63	43	not	not	PART
fcis-7516	63	44	guaranteed	guarantee	VERB
fcis-7516	63	45	.	.	PUNCT
fcis-7516	64	1	therefore	therefore	ADV
fcis-7516	64	2	,	,	PUNCT
fcis-7516	64	3	in	in	ADP
fcis-7516	64	4	this	this	DET
fcis-7516	64	5	paper	paper	NOUN
fcis-7516	64	6	,	,	PUNCT
fcis-7516	64	7	the	the	DET
fcis-7516	64	8	keys	key	NOUN
fcis-7516	64	9	under	under	ADP
fcis-7516	64	10	fixed	fix	VERB
fcis-7516	64	11	algorithms	algorithm	NOUN
fcis-7516	64	12	are	be	AUX
fcis-7516	64	13	regarded	regard	VERB
fcis-7516	64	14	as	as	ADP
fcis-7516	64	15	executors	executor	NOUN
fcis-7516	64	16	in	in	ADP
fcis-7516	64	17	the	the	DET
fcis-7516	64	18	information	information	NOUN
fcis-7516	64	19	system	system	NOUN
fcis-7516	64	20	,	,	PUNCT
fcis-7516	64	21	and	and	CCONJ
fcis-7516	64	22	the	the	DET
fcis-7516	64	23	pool	pool	NOUN
fcis-7516	64	24	of	of	ADP
fcis-7516	64	25	heterogeneous	heterogeneous	ADJ
fcis-7516	64	26	executors	executor	NOUN
fcis-7516	64	27	is	be	AUX
fcis-7516	64	28	regarded	regard	VERB
fcis-7516	64	29	as	as	ADP
fcis-7516	64	30	a	a	DET
fcis-7516	64	31	key	key	ADJ
fcis-7516	64	32	pool	pool	NOUN
fcis-7516	64	33	from	from	ADP
fcis-7516	64	34	which	which	PRON
fcis-7516	64	35	different	different	ADJ
fcis-7516	64	36	keys	key	NOUN
fcis-7516	64	37	are	be	AUX
fcis-7516	64	38	selected	select	VERB
fcis-7516	64	39	to	to	PART
fcis-7516	64	40	encrypt	encrypt	VERB
fcis-7516	64	41	and	and	CCONJ
fcis-7516	64	42	decrypt	decrypt	VERB
fcis-7516	64	43	the	the	DET
fcis-7516	64	44	transmitted	transmit	VERB
fcis-7516	64	45	data	datum	NOUN
fcis-7516	64	46	,	,	PUNCT
fcis-7516	64	47	thus	thus	ADV
fcis-7516	64	48	providing	provide	VERB
fcis-7516	64	49	dynamic	dynamic	ADJ
fcis-7516	64	50	randomness	randomness	NOUN
fcis-7516	64	51	to	to	ADP
fcis-7516	64	52	the	the	DET
fcis-7516	64	53	information	information	NOUN
fcis-7516	64	54	system	system	NOUN
fcis-7516	64	55	.	.	PUNCT
fcis-7516	65	1	4	4	X
fcis-7516	65	2	.	.	X
fcis-7516	65	3	kerberos	kerberos	PROPN
fcis-7516	65	4	authentication	authentication	NOUN
fcis-7516	65	5	protocol	protocol	NOUN
fcis-7516	65	6	combined	combine	VERB
fcis-7516	65	7	with	with	ADP
fcis-7516	65	8	zuc	zuc	PROPN
fcis-7516	65	9	algorithm	algorithm	PROPN
fcis-7516	65	10	4.1	4.1	NUM
fcis-7516	65	11	.	.	PUNCT
fcis-7516	66	1	zuc	zuc	PROPN
fcis-7516	66	2	key	key	PROPN
fcis-7516	66	3	generator	generator	NOUN
fcis-7516	66	4	sequence	sequence	NOUN
fcis-7516	66	5	ciphers	cipher	NOUN
fcis-7516	66	6	,	,	PUNCT
fcis-7516	66	7	also	also	ADV
fcis-7516	66	8	known	know	VERB
fcis-7516	66	9	as	as	ADP
fcis-7516	66	10	stream	stream	NOUN
fcis-7516	66	11	ciphers	cipher	NOUN
fcis-7516	66	12	,	,	PUNCT
fcis-7516	66	13	have	have	VERB
fcis-7516	66	14	the	the	DET
fcis-7516	66	15	advantages	advantage	NOUN
fcis-7516	66	16	of	of	ADP
fcis-7516	66	17	fast	fast	ADJ
fcis-7516	66	18	operation	operation	NOUN
fcis-7516	66	19	,	,	PUNCT
fcis-7516	66	20	simple	simple	ADJ
fcis-7516	66	21	implementation	implementation	NOUN
fcis-7516	66	22	,	,	PUNCT
fcis-7516	66	23	and	and	CCONJ
fcis-7516	66	24	no	no	PRON
fcis-7516	66	25	or	or	CCONJ
fcis-7516	66	26	limited	limited	ADJ
fcis-7516	66	27	error	error	NOUN
fcis-7516	66	28	propagation	propagation	NOUN
fcis-7516	66	29	.	.	PUNCT
fcis-7516	67	1	the	the	DET
fcis-7516	67	2	keys	key	NOUN
fcis-7516	67	3	used	use	VERB
fcis-7516	67	4	for	for	ADP
fcis-7516	67	5	sequence	sequence	NOUN
fcis-7516	67	6	cipher	cipher	ADJ
fcis-7516	67	7	encryption	encryption	NOUN
fcis-7516	67	8	and	and	CCONJ
fcis-7516	67	9	decryption	decryption	NOUN
fcis-7516	67	10	are	be	AUX
fcis-7516	67	11	generated	generate	VERB
fcis-7516	67	12	by	by	ADP
fcis-7516	67	13	a	a	DET
fcis-7516	67	14	keystream	keystream	NOUN
fcis-7516	67	15	generator	generator	NOUN
fcis-7516	67	16	,	,	PUNCT
fcis-7516	67	17	and	and	CCONJ
fcis-7516	67	18	the	the	PRON
fcis-7516	67	19	higher	high	ADJ
fcis-7516	67	20	the	the	DET
fcis-7516	67	21	randomness	randomness	NOUN
fcis-7516	67	22	of	of	ADP
fcis-7516	67	23	its	its	PRON
fcis-7516	67	24	keys	key	NOUN
fcis-7516	67	25	,	,	PUNCT
fcis-7516	67	26	the	the	PRON
fcis-7516	67	27	closer	close	ADJ
fcis-7516	67	28	the	the	DET
fcis-7516	67	29	sequence	sequence	NOUN
fcis-7516	67	30	cipher	cipher	ADJ
fcis-7516	67	31	system	system	NOUN
fcis-7516	67	32	is	be	AUX
fcis-7516	67	33	to	to	ADP
fcis-7516	67	34	one	one	NUM
fcis-7516	67	35	-	-	PUNCT
fcis-7516	67	36	at	at	ADP
fcis-7516	67	37	-	-	PUNCT
fcis-7516	67	38	a	a	DET
fcis-7516	67	39	-	-	PUNCT
fcis-7516	67	40	time	time	NOUN
fcis-7516	67	41	,	,	PUNCT
fcis-7516	67	42	so	so	CCONJ
fcis-7516	67	43	the	the	DET
fcis-7516	67	44	security	security	NOUN
fcis-7516	67	45	of	of	ADP
fcis-7516	67	46	a	a	DET
fcis-7516	67	47	sequence	sequence	NOUN
fcis-7516	67	48	cipher	cipher	ADJ
fcis-7516	67	49	system	system	NOUN
fcis-7516	67	50	is	be	AUX
fcis-7516	67	51	largely	largely	ADV
fcis-7516	67	52	determined	determine	VERB
fcis-7516	67	53	by	by	ADP
fcis-7516	67	54	the	the	DET
fcis-7516	67	55	keystream	keystream	PROPN
fcis-7516	67	56	generator	generator	PROPN
fcis-7516	67	57	.	.	PUNCT
fcis-7516	68	1	however	however	ADV
fcis-7516	68	2	,	,	PUNCT
fcis-7516	68	3	sequence	sequence	NOUN
fcis-7516	68	4	ciphers	cipher	NOUN
fcis-7516	68	5	also	also	ADV
fcis-7516	68	6	have	have	VERB
fcis-7516	68	7	fatal	fatal	ADJ
fcis-7516	68	8	drawbacks	drawback	NOUN
fcis-7516	68	9	compared	compare	VERB
fcis-7516	68	10	to	to	ADP
fcis-7516	68	11	other	other	ADJ
fcis-7516	68	12	symmetric	symmetric	ADJ
fcis-7516	68	13	ciphers	cipher	NOUN
fcis-7516	68	14	:	:	PUNCT
fcis-7516	68	15	low	low	ADJ
fcis-7516	68	16	diffusivity	diffusivity	NOUN
fcis-7516	68	17	,	,	PUNCT
fcis-7516	68	18	insensitivity	insensitivity	NOUN
fcis-7516	68	19	to	to	ADP
fcis-7516	68	20	insertion	insertion	NOUN
fcis-7516	68	21	and	and	CCONJ
fcis-7516	68	22	modification	modification	NOUN
fcis-7516	68	23	,	,	PUNCT
fcis-7516	68	24	means	mean	VERB
fcis-7516	68	25	that	that	SCONJ
fcis-7516	68	26	sequence	sequence	NOUN
fcis-7516	68	27	cryptosystems	cryptosystem	NOUN
fcis-7516	68	28	may	may	AUX
fcis-7516	68	29	make	make	VERB
fcis-7516	68	30	the	the	DET
fcis-7516	68	31	plaintext	plaintext	NOUN
fcis-7516	68	32	statistically	statistically	ADV
fcis-7516	68	33	specific	specific	ADJ
fcis-7516	68	34	and	and	CCONJ
fcis-7516	68	35	thus	thus	ADV
fcis-7516	68	36	subject	subject	ADJ
fcis-7516	68	37	to	to	ADP
fcis-7516	68	38	specific	specific	ADJ
fcis-7516	68	39	attacks	attack	NOUN
fcis-7516	68	40	,	,	PUNCT
fcis-7516	68	41	such	such	ADJ
fcis-7516	68	42	as	as	ADP
fcis-7516	68	43	differential	differential	ADJ
fcis-7516	68	44	attacks	attack	NOUN
fcis-7516	68	45	[	[	X
fcis-7516	68	46	9	9	NUM
fcis-7516	68	47	]	]	PUNCT
fcis-7516	68	48	.	.	PUNCT
fcis-7516	69	1	the	the	DET
fcis-7516	69	2	function	function	NOUN
fcis-7516	69	3	of	of	ADP
fcis-7516	69	4	a	a	DET
fcis-7516	69	5	keystream	keystream	NOUN
fcis-7516	69	6	generator	generator	NOUN
fcis-7516	69	7	is	be	AUX
fcis-7516	69	8	to	to	PART
fcis-7516	69	9	obtain	obtain	VERB
fcis-7516	69	10	a	a	DET
fcis-7516	69	11	shorter	short	ADJ
fcis-7516	69	12	seed	seed	NOUN
fcis-7516	69	13	key	key	NOUN
fcis-7516	69	14	on	on	ADP
fcis-7516	69	15	the	the	DET
fcis-7516	69	16	basis	basis	NOUN
fcis-7516	69	17	of	of	ADP
fcis-7516	69	18	which	which	PRON
fcis-7516	69	19	a	a	DET
fcis-7516	69	20	longer	long	ADJ
fcis-7516	69	21	sequence	sequence	NOUN
fcis-7516	69	22	of	of	ADP
fcis-7516	69	23	keys	key	NOUN
fcis-7516	69	24	is	be	AUX
fcis-7516	69	25	generated	generate	VERB
fcis-7516	69	26	,	,	PUNCT
fcis-7516	69	27	which	which	PRON
fcis-7516	69	28	can	can	AUX
fcis-7516	69	29	also	also	ADV
fcis-7516	69	30	be	be	AUX
fcis-7516	69	31	seen	see	VERB
fcis-7516	69	32	as	as	ADP
fcis-7516	69	33	multiple	multiple	ADJ
fcis-7516	69	34	short	short	ADJ
fcis-7516	69	35	keys	key	NOUN
fcis-7516	69	36	of	of	ADP
fcis-7516	69	37	fixed	fix	VERB
fcis-7516	69	38	length	length	NOUN
fcis-7516	69	39	.	.	PUNCT
fcis-7516	70	1	how	how	SCONJ
fcis-7516	70	2	to	to	PART
fcis-7516	70	3	make	make	VERB
fcis-7516	70	4	the	the	DET
fcis-7516	70	5	generated	generate	VERB
fcis-7516	70	6	key	key	ADJ
fcis-7516	70	7	stream	stream	NOUN
fcis-7516	70	8	with	with	ADP
fcis-7516	70	9	higher	high	ADJ
fcis-7516	70	10	randomness	randomness	NOUN
fcis-7516	70	11	is	be	AUX
fcis-7516	70	12	the	the	DET
fcis-7516	70	13	core	core	NOUN
fcis-7516	70	14	problem	problem	NOUN
fcis-7516	70	15	of	of	ADP
fcis-7516	70	16	constructing	construct	VERB
fcis-7516	70	17	a	a	DET
fcis-7516	70	18	key	key	ADJ
fcis-7516	70	19	stream	stream	NOUN
fcis-7516	70	20	generator	generator	NOUN
fcis-7516	70	21	,	,	PUNCT
fcis-7516	70	22	and	and	CCONJ
fcis-7516	70	23	the	the	DET
fcis-7516	70	24	most	most	ADV
fcis-7516	70	25	researched	research	VERB
fcis-7516	70	26	key	key	ADJ
fcis-7516	70	27	stream	stream	NOUN
fcis-7516	70	28	generators	generator	NOUN
fcis-7516	70	29	are	be	AUX
fcis-7516	70	30	those	those	PRON
fcis-7516	70	31	consisting	consist	VERB
fcis-7516	70	32	of	of	ADP
fcis-7516	70	33	multiple	multiple	ADJ
fcis-7516	70	34	shift	shift	NOUN
fcis-7516	70	35	registers	register	NOUN
fcis-7516	70	36	.	.	PUNCT
fcis-7516	71	1	the	the	DET
fcis-7516	71	2	key	key	NOUN
fcis-7516	71	3	used	use	VERB
fcis-7516	71	4	for	for	ADP
fcis-7516	71	5	encryption	encryption	NOUN
fcis-7516	71	6	and	and	CCONJ
fcis-7516	71	7	decryption	decryption	NOUN
fcis-7516	71	8	in	in	ADP
fcis-7516	71	9	the	the	DET
fcis-7516	71	10	kerberos	kerberos	PROPN
fcis-7516	71	11	authentication	authentication	NOUN
fcis-7516	71	12	process	process	NOUN
fcis-7516	71	13	is	be	AUX
fcis-7516	71	14	obtained	obtain	VERB
fcis-7516	71	15	through	through	ADP
fcis-7516	71	16	a	a	DET
fcis-7516	71	17	keystream	keystream	NOUN
fcis-7516	71	18	generator	generator	NOUN
fcis-7516	71	19	for	for	ADP
fcis-7516	71	20	serial	serial	ADJ
fcis-7516	71	21	ciphers	cipher	NOUN
fcis-7516	71	22	,	,	PUNCT
fcis-7516	71	23	depending	depend	VERB
fcis-7516	71	24	on	on	ADP
fcis-7516	71	25	the	the	DET
fcis-7516	71	26	security	security	NOUN
fcis-7516	71	27	and	and	CCONJ
fcis-7516	71	28	reliability	reliability	NOUN
fcis-7516	71	29	of	of	ADP
fcis-7516	71	30	the	the	DET
fcis-7516	71	31	key	key	ADJ
fcis-7516	71	32	generator	generator	NOUN
fcis-7516	71	33	.	.	PUNCT
fcis-7516	72	1	if	if	SCONJ
fcis-7516	72	2	the	the	DET
fcis-7516	72	3	keystream	keystream	NOUN
fcis-7516	72	4	generator	generator	NOUN
fcis-7516	72	5	is	be	AUX
fcis-7516	72	6	capable	capable	ADJ
fcis-7516	72	7	of	of	ADP
fcis-7516	72	8	generating	generate	VERB
fcis-7516	72	9	high	high	ADJ
fcis-7516	72	10	-	-	PUNCT
fcis-7516	72	11	strength	strength	NOUN
fcis-7516	72	12	keys	key	NOUN
fcis-7516	72	13	,	,	PUNCT
fcis-7516	72	14	then	then	ADV
fcis-7516	72	15	it	it	PRON
fcis-7516	72	16	is	be	AUX
fcis-7516	72	17	theoretically	theoretically	ADV
fcis-7516	72	18	reliable	reliable	ADJ
fcis-7516	72	19	to	to	PART
fcis-7516	72	20	obtain	obtain	VERB
fcis-7516	72	21	the	the	DET
fcis-7516	72	22	keys	key	NOUN
fcis-7516	72	23	used	use	VERB
fcis-7516	72	24	for	for	ADP
fcis-7516	72	25	encryption	encryption	NOUN
fcis-7516	72	26	and	and	CCONJ
fcis-7516	72	27	decryption	decryption	NOUN
fcis-7516	72	28	through	through	ADP
fcis-7516	72	29	this	this	DET
fcis-7516	72	30	keystream	keystream	NOUN
fcis-7516	72	31	generator	generator	NOUN
fcis-7516	72	32	.	.	PUNCT
fcis-7516	73	1	in	in	ADP
fcis-7516	73	2	summary	summary	NOUN
fcis-7516	73	3	,	,	PUNCT
fcis-7516	73	4	this	this	DET
fcis-7516	73	5	paper	paper	NOUN
fcis-7516	73	6	will	will	AUX
fcis-7516	73	7	use	use	VERB
fcis-7516	73	8	the	the	DET
fcis-7516	73	9	keystream	keystream	NOUN
fcis-7516	73	10	generator	generator	NOUN
fcis-7516	73	11	as	as	SCONJ
fcis-7516	73	12	described	describe	VERB
fcis-7516	73	13	above	above	ADV
fcis-7516	73	14	to	to	PART
fcis-7516	73	15	generate	generate	VERB
fcis-7516	73	16	a	a	DET
fcis-7516	73	17	number	number	NOUN
fcis-7516	73	18	of	of	ADP
fcis-7516	73	19	keys	key	NOUN
fcis-7516	73	20	to	to	PART
fcis-7516	73	21	form	form	VERB
fcis-7516	73	22	a	a	DET
fcis-7516	73	23	key	key	ADJ
fcis-7516	73	24	pool	pool	NOUN
fcis-7516	73	25	,	,	PUNCT
fcis-7516	73	26	which	which	PRON
fcis-7516	73	27	will	will	AUX
fcis-7516	73	28	be	be	AUX
fcis-7516	73	29	used	use	VERB
fcis-7516	73	30	as	as	ADP
fcis-7516	73	31	the	the	DET
fcis-7516	73	32	key	key	NOUN
fcis-7516	73	33	for	for	ADP
fcis-7516	73	34	des	des	NOUN
fcis-7516	73	35	encryption	encryption	NOUN
fcis-7516	73	36	and	and	CCONJ
fcis-7516	73	37	decryption	decryption	NOUN
fcis-7516	73	38	in	in	ADP
fcis-7516	73	39	the	the	DET
fcis-7516	73	40	kerberos	kerberos	PROPN
fcis-7516	73	41	authentication	authentication	NOUN
fcis-7516	73	42	process	process	NOUN
fcis-7516	73	43	.	.	PUNCT
fcis-7516	74	1	this	this	PRON
fcis-7516	74	2	will	will	AUX
fcis-7516	74	3	enhance	enhance	VERB
fcis-7516	74	4	the	the	DET
fcis-7516	74	5	security	security	NOUN
fcis-7516	74	6	of	of	ADP
fcis-7516	74	7	the	the	DET
fcis-7516	74	8	ciphertext	ciphertext	NOUN
fcis-7516	74	9	by	by	ADP
fcis-7516	74	10	using	use	VERB
fcis-7516	74	11	a	a	DET
fcis-7516	74	12	different	different	ADJ
fcis-7516	74	13	key	key	NOUN
fcis-7516	74	14	for	for	ADP
fcis-7516	74	15	each	each	DET
fcis-7516	74	16	transmission	transmission	NOUN
fcis-7516	74	17	,	,	PUNCT
fcis-7516	74	18	and	and	CCONJ
fcis-7516	74	19	the	the	DET
fcis-7516	74	20	diffusion	diffusion	NOUN
fcis-7516	74	21	and	and	CCONJ
fcis-7516	74	22	obfuscation	obfuscation	NOUN
fcis-7516	74	23	properties	property	NOUN
fcis-7516	74	24	of	of	ADP
fcis-7516	74	25	des	des	PROPN
fcis-7516	74	26	will	will	AUX
fcis-7516	74	27	overcome	overcome	VERB
fcis-7516	74	28	the	the	DET
fcis-7516	74	29	low	low	ADJ
fcis-7516	74	30	diffusion	diffusion	NOUN
fcis-7516	74	31	problem	problem	NOUN
fcis-7516	74	32	inherent	inherent	ADJ
fcis-7516	74	33	in	in	ADP
fcis-7516	74	34	sequential	sequential	ADJ
fcis-7516	74	35	cryptosystems	cryptosystem	NOUN
fcis-7516	74	36	.	.	PUNCT
fcis-7516	75	1	the	the	DET
fcis-7516	75	2	zuc	zuc	PROPN
fcis-7516	75	3	algorithm	algorithm	PROPN
fcis-7516	75	4	(	(	PUNCT
fcis-7516	75	5	zuc	zuc	PROPN
fcis-7516	75	6	)	)	PUNCT
fcis-7516	75	7	,	,	PUNCT
fcis-7516	75	8	originally	originally	ADV
fcis-7516	75	9	designed	design	VERB
fcis-7516	75	10	for	for	ADP
fcis-7516	75	11	security	security	NOUN
fcis-7516	75	12	problems	problem	NOUN
fcis-7516	75	13	in	in	ADP
fcis-7516	75	14	communication	communication	NOUN
fcis-7516	75	15	networks	network	NOUN
fcis-7516	75	16	,	,	PUNCT
fcis-7516	75	17	is	be	AUX
fcis-7516	75	18	a	a	DET
fcis-7516	75	19	chinese	chinese	PROPN
fcis-7516	75	20	selfdesigned	selfdesigne	VERB
fcis-7516	75	21	,	,	PUNCT
fcis-7516	75	22	word	word	NOUN
fcis-7516	75	23	-	-	PUNCT
fcis-7516	75	24	based	base	VERB
fcis-7516	75	25	synchronous	synchronous	ADJ
fcis-7516	75	26	sequence	sequence	NOUN
fcis-7516	75	27	cryptographic	cryptographic	ADJ
fcis-7516	75	28	algorithm	algorithm	NOUN
fcis-7516	75	29	,	,	PUNCT
fcis-7516	75	30	published	publish	VERB
fcis-7516	75	31	as	as	ADP
fcis-7516	75	32	national	national	ADJ
fcis-7516	75	33	standard	standard	PROPN
fcis-7516	75	34	gb	gb	PROPN
fcis-7516	75	35	/	/	SYM
fcis-7516	75	36	t	t	NOUN
fcis-7516	75	37	33133	33133	NUM
fcis-7516	75	38	-	-	SYM
fcis-7516	75	39	2016	2016	NUM
fcis-7516	75	40	in	in	ADP
fcis-7516	75	41	october	october	PROPN
fcis-7516	75	42	2016.the	2016.the	DET
fcis-7516	75	43	algorithm	algorithm	NOUN
fcis-7516	75	44	structure	structure	NOUN
fcis-7516	75	45	is	be	AUX
fcis-7516	75	46	divided	divide	VERB
fcis-7516	75	47	into	into	ADP
fcis-7516	75	48	three	three	NUM
fcis-7516	75	49	layers	layer	NOUN
fcis-7516	75	50	,	,	PUNCT
fcis-7516	75	51	namely	namely	ADV
fcis-7516	75	52	,	,	PUNCT
fcis-7516	75	53	linear	linear	ADJ
fcis-7516	75	54	feedback	feedback	NOUN
fcis-7516	75	55	shift	shift	NOUN
fcis-7516	75	56	register	register	NOUN
fcis-7516	75	57	,	,	PUNCT
fcis-7516	75	58	bit	bit	NOUN
fcis-7516	75	59	reorganization	reorganization	NOUN
fcis-7516	75	60	,	,	PUNCT
fcis-7516	75	61	and	and	CCONJ
fcis-7516	75	62	nonlinear	nonlinear	VERB
fcis-7516	75	63	function.the	function.the	DET
fcis-7516	75	64	algorithm	algorithm	NOUN
fcis-7516	75	65	in	in	ADP
fcis-7516	75	66	the	the	DET
fcis-7516	75	67	key	key	ADJ
fcis-7516	75	68	output	output	NOUN
fcis-7516	75	69	phase	phase	NOUN
fcis-7516	75	70	each	each	DET
fcis-7516	75	71	cycle	cycle	NOUN
fcis-7516	75	72	for	for	ADP
fcis-7516	75	73	the	the	DET
fcis-7516	75	74	output	output	NOUN
fcis-7516	75	75	of	of	ADP
fcis-7516	75	76	a	a	DET
fcis-7516	75	77	32	32	NUM
fcis-7516	75	78	-	-	PUNCT
fcis-7516	75	79	bit	bit	NOUN
fcis-7516	75	80	keyword	keyword	NOUN
fcis-7516	75	81	.	.	PUNCT
fcis-7516	76	1	the	the	DET
fcis-7516	76	2	linear	linear	ADJ
fcis-7516	76	3	feedback	feedback	NOUN
fcis-7516	76	4	shift	shift	NOUN
fcis-7516	76	5	registers	register	NOUN
fcis-7516	76	6	used	use	VERB
fcis-7516	76	7	in	in	ADP
fcis-7516	76	8	common	common	ADJ
fcis-7516	76	9	stream	stream	NOUN
fcis-7516	76	10	cryptosystems	cryptosystem	NOUN
fcis-7516	76	11	all	all	PRON
fcis-7516	76	12	use	use	VERB
fcis-7516	76	13	m	m	NOUN
fcis-7516	76	14	-	-	NOUN
fcis-7516	76	15	sequences	sequence	NOUN
fcis-7516	76	16	on	on	ADP
fcis-7516	76	17	a	a	DET
fcis-7516	76	18	binary	binary	ADJ
fcis-7516	76	19	domain	domain	NOUN
fcis-7516	76	20	or	or	CCONJ
fcis-7516	76	21	some	some	DET
fcis-7516	76	22	diffusion	diffusion	NOUN
fcis-7516	76	23	domain	domain	NOUN
fcis-7516	76	24	in	in	ADP
fcis-7516	76	25	the	the	DET
fcis-7516	76	26	binary	binary	ADJ
fcis-7516	76	27	domain	domain	NOUN
fcis-7516	76	28	,	,	PUNCT
fcis-7516	76	29	which	which	PRON
fcis-7516	76	30	have	have	VERB
fcis-7516	76	31	obvious	obvious	ADJ
fcis-7516	76	32	multiple	multiple	ADJ
fcis-7516	76	33	linear	linear	ADJ
fcis-7516	76	34	relationships	relationship	NOUN
fcis-7516	76	35	,	,	PUNCT
fcis-7516	76	36	making	make	VERB
fcis-7516	76	37	them	they	PRON
fcis-7516	76	38	vulnerable	vulnerable	ADJ
fcis-7516	76	39	to	to	ADP
fcis-7516	76	40	correlation	correlation	NOUN
fcis-7516	76	41	attacks	attack	NOUN
fcis-7516	76	42	,	,	PUNCT
fcis-7516	76	43	while	while	SCONJ
fcis-7516	76	44	the	the	DET
fcis-7516	76	45	linear	linear	ADJ
fcis-7516	76	46	feedback	feedback	NOUN
fcis-7516	76	47	shift	shift	NOUN
fcis-7516	76	48	registers	register	NOUN
fcis-7516	76	49	in	in	ADP
fcis-7516	76	50	the	the	DET
fcis-7516	76	51	zuc	zuc	PROPN
fcis-7516	76	52	algorithm	algorithm	PROPN
fcis-7516	76	53	use	use	VERB
fcis-7516	76	54	m	m	NOUN
fcis-7516	76	55	-	-	NOUN
fcis-7516	76	56	sequences	sequence	NOUN
fcis-7516	76	57	in	in	ADP
fcis-7516	76	58	the	the	DET
fcis-7516	76	59	prime	prime	ADJ
fcis-7516	76	60	domain	domain	NOUN
fcis-7516	76	61	gf(2	gf(2	PROPN
fcis-7516	76	62	^	^	SYM
fcis-7516	76	63	31	31	NUM
fcis-7516	76	64	-	-	SYM
fcis-7516	76	65	1	1	NUM
fcis-7516	76	66	)	)	PUNCT
fcis-7516	76	67	,	,	PUNCT
fcis-7516	76	68	which	which	PRON
fcis-7516	76	69	have	have	VERB
fcis-7516	76	70	long	long	ADJ
fcis-7516	76	71	periods	period	NOUN
fcis-7516	76	72	,	,	PUNCT
fcis-7516	76	73	good	good	ADJ
fcis-7516	76	74	statistical	statistical	ADJ
fcis-7516	76	75	properties	property	NOUN
fcis-7516	76	76	,	,	PUNCT
fcis-7516	76	77	and	and	CCONJ
fcis-7516	76	78	weak	weak	ADJ
fcis-7516	76	79	linear	linear	ADJ
fcis-7516	76	80	structure	structure	NOUN
fcis-7516	76	81	,	,	PUNCT
fcis-7516	76	82	the	the	DET
fcis-7516	76	83	bitwise	bitwise	NOUN
fcis-7516	76	84	relationship	relationship	NOUN
fcis-7516	76	85	compliance	compliance	NOUN
fcis-7516	76	86	is	be	AUX
fcis-7516	76	87	low	low	ADJ
fcis-7516	76	88	[	[	X
fcis-7516	76	89	10	10	NUM
fcis-7516	76	90	]	]	PUNCT
fcis-7516	76	91	.	.	PUNCT
fcis-7516	77	1	the	the	DET
fcis-7516	77	2	zuc	zuc	PROPN
fcis-7516	77	3	algorithm	algorithm	PROPN
fcis-7516	77	4	has	have	AUX
fcis-7516	77	5	been	be	AUX
fcis-7516	77	6	studied	study	VERB
fcis-7516	77	7	to	to	PART
fcis-7516	77	8	resist	resist	VERB
fcis-7516	77	9	weak	weak	ADJ
fcis-7516	77	10	cryptanalysis	cryptanalysis	NOUN
fcis-7516	77	11	,	,	PUNCT
fcis-7516	77	12	guess	guess	NOUN
fcis-7516	77	13	-	-	PUNCT
fcis-7516	77	14	deterministic	deterministic	ADJ
fcis-7516	77	15	analysis	analysis	NOUN
fcis-7516	77	16	,	,	PUNCT
fcis-7516	77	17	algebraic	algebraic	ADJ
fcis-7516	77	18	analysis	analysis	NOUN
fcis-7516	77	19	,	,	PUNCT
fcis-7516	77	20	and	and	CCONJ
fcis-7516	77	21	other	other	ADJ
fcis-7516	77	22	analysis	analysis	NOUN
fcis-7516	77	23	methods	method	NOUN
fcis-7516	77	24	,	,	PUNCT
fcis-7516	77	25	and	and	CCONJ
fcis-7516	77	26	has	have	VERB
fcis-7516	77	27	very	very	ADV
fcis-7516	77	28	high	high	ADJ
fcis-7516	77	29	security	security	NOUN
fcis-7516	77	30	properties	property	NOUN
fcis-7516	77	31	[	[	X
fcis-7516	77	32	11	11	NUM
fcis-7516	77	33	]	]	PUNCT
fcis-7516	77	34	.	.	PUNCT
fcis-7516	78	1	therefore	therefore	ADV
fcis-7516	78	2	,	,	PUNCT
fcis-7516	78	3	it	it	PRON
fcis-7516	78	4	is	be	AUX
fcis-7516	78	5	chosen	choose	VERB
fcis-7516	78	6	in	in	ADP
fcis-7516	78	7	this	this	DET
fcis-7516	78	8	paper	paper	NOUN
fcis-7516	78	9	as	as	ADP
fcis-7516	78	10	the	the	DET
fcis-7516	78	11	key	key	ADJ
fcis-7516	78	12	generation	generation	NOUN
fcis-7516	78	13	scheme	scheme	NOUN
fcis-7516	78	14	in	in	ADP
fcis-7516	78	15	this	this	DET
fcis-7516	78	16	topic	topic	NOUN
fcis-7516	78	17	.	.	PUNCT
fcis-7516	79	1	in	in	ADP
fcis-7516	79	2	the	the	DET
fcis-7516	79	3	original	original	ADJ
fcis-7516	79	4	kerberos	kerberos	PROPN
fcis-7516	79	5	authentication	authentication	NOUN
fcis-7516	79	6	protocol	protocol	NOUN
fcis-7516	79	7	,	,	PUNCT
fcis-7516	79	8	the	the	DET
fcis-7516	79	9	key	key	NOUN
fcis-7516	79	10	used	use	VERB
fcis-7516	79	11	for	for	ADP
fcis-7516	79	12	encryption	encryption	NOUN
fcis-7516	79	13	during	during	ADP
fcis-7516	79	14	transmission	transmission	NOUN
fcis-7516	79	15	is	be	AUX
fcis-7516	79	16	the	the	DET
fcis-7516	79	17	md5	md5	ADJ
fcis-7516	79	18	value	value	NOUN
fcis-7516	79	19	of	of	ADP
fcis-7516	79	20	the	the	DET
fcis-7516	79	21	password	password	NOUN
fcis-7516	79	22	set	set	VERB
fcis-7516	79	23	by	by	ADP
fcis-7516	79	24	the	the	DET
fcis-7516	79	25	user	user	NOUN
fcis-7516	79	26	,	,	PUNCT
fcis-7516	79	27	and	and	CCONJ
fcis-7516	79	28	the	the	DET
fcis-7516	79	29	zuc	zuc	PROPN
fcis-7516	79	30	cipher	cipher	PROPN
fcis-7516	79	31	accepts	accept	VERB
fcis-7516	79	32	a	a	DET
fcis-7516	79	33	128bit	128bit	NUM
fcis-7516	79	34	initial	initial	ADJ
fcis-7516	79	35	key	key	ADJ
fcis-7516	79	36	seed	seed	NOUN
fcis-7516	79	37	,	,	PUNCT
fcis-7516	79	38	which	which	PRON
fcis-7516	79	39	can	can	AUX
fcis-7516	79	40	be	be	AUX
fcis-7516	79	41	used	use	VERB
fcis-7516	79	42	directly	directly	ADV
fcis-7516	79	43	,	,	PUNCT
fcis-7516	79	44	minimizing	minimize	VERB
fcis-7516	79	45	the	the	DET
fcis-7516	79	46	modification	modification	NOUN
fcis-7516	79	47	of	of	ADP
fcis-7516	79	48	the	the	DET
fcis-7516	79	49	original	original	ADJ
fcis-7516	79	50	kerberos	kerbero	NOUN
fcis-7516	79	51	protocol	protocol	NOUN
fcis-7516	79	52	.	.	PUNCT
fcis-7516	80	1	the	the	DET
fcis-7516	80	2	reliable	reliable	ADJ
fcis-7516	80	3	security	security	NOUN
fcis-7516	80	4	of	of	ADP
fcis-7516	80	5	the	the	DET
fcis-7516	80	6	zuc	zuc	PROPN
fcis-7516	80	7	algorithm	algorithm	PROPN
fcis-7516	80	8	ensures	ensure	VERB
fcis-7516	80	9	that	that	SCONJ
fcis-7516	80	10	the	the	DET
fcis-7516	80	11	key	key	ADJ
fcis-7516	80	12	sequence	sequence	NOUN
fcis-7516	80	13	provided	provide	VERB
fcis-7516	80	14	by	by	ADP
fcis-7516	80	15	it	it	PRON
fcis-7516	80	16	also	also	ADV
fcis-7516	80	17	has	have	VERB
fcis-7516	80	18	a	a	DET
fcis-7516	80	19	high	high	ADJ
fcis-7516	80	20	randomness	randomness	NOUN
fcis-7516	80	21	.	.	PUNCT
fcis-7516	81	1	to	to	PART
fcis-7516	81	2	confer	confer	VERB
fcis-7516	81	3	dynamic	dynamic	ADJ
fcis-7516	81	4	randomness	randomness	NOUN
fcis-7516	81	5	to	to	ADP
fcis-7516	81	6	the	the	DET
fcis-7516	81	7	ciphertext	ciphertext	NOUN
fcis-7516	81	8	transmitted	transmit	VERB
fcis-7516	81	9	during	during	ADP
fcis-7516	81	10	the	the	DET
fcis-7516	81	11	authentication	authentication	NOUN
fcis-7516	81	12	process	process	NOUN
fcis-7516	81	13	.	.	PUNCT
fcis-7516	82	1	4.2	4.2	NUM
fcis-7516	82	2	.	.	PUNCT
fcis-7516	82	3	certification	certification	NOUN
fcis-7516	82	4	process	process	NOUN
fcis-7516	82	5	4.2.1	4.2.1	NOUN
fcis-7516	82	6	.	.	PUNCT
fcis-7516	82	7	registration	registration	NOUN
fcis-7516	82	8	stage	stage	NOUN
fcis-7516	82	9	the	the	DET
fcis-7516	82	10	user	user	NOUN
fcis-7516	82	11	registers	register	VERB
fcis-7516	82	12	his	his	PRON
fcis-7516	82	13	userid	userid	NOUN
fcis-7516	82	14	and	and	CCONJ
fcis-7516	82	15	password	password	NOUN
fcis-7516	82	16	to	to	ADP
fcis-7516	82	17	the	the	DET
fcis-7516	82	18	as	as	ADP
fcis-7516	82	19	,	,	PUNCT
fcis-7516	82	20	which	which	PRON
fcis-7516	82	21	stores	store	VERB
fcis-7516	82	22	the	the	DET
fcis-7516	82	23	userid	userid	NOUN
fcis-7516	82	24	and	and	CCONJ
fcis-7516	82	25	the	the	DET
fcis-7516	82	26	user	user	NOUN
fcis-7516	82	27	password	password	NOUN
fcis-7516	82	28	kc	kc	PROPN
fcis-7516	82	29	after	after	ADP
fcis-7516	82	30	the	the	DET
fcis-7516	82	31	md5	md5	PROPN
fcis-7516	82	32	operation	operation	NOUN
fcis-7516	82	33	,	,	PUNCT
fcis-7516	82	34	a	a	DET
fcis-7516	82	35	step	step	NOUN
fcis-7516	82	36	consistent	consistent	ADJ
fcis-7516	82	37	with	with	ADP
fcis-7516	82	38	the	the	DET
fcis-7516	82	39	original	original	ADJ
fcis-7516	82	40	kerberos	kerberos	PROPN
fcis-7516	82	41	version	version	NOUN
fcis-7516	82	42	.	.	PUNCT
fcis-7516	83	1	in	in	ADP
fcis-7516	83	2	addition	addition	NOUN
fcis-7516	83	3	,	,	PUNCT
fcis-7516	83	4	both	both	DET
fcis-7516	83	5	parties	party	NOUN
fcis-7516	83	6	store	store	VERB
fcis-7516	83	7	an	an	DET
fcis-7516	83	8	additional	additional	ADJ
fcis-7516	83	9	authentication	authentication	NOUN
fcis-7516	83	10	serial	serial	NOUN
fcis-7516	83	11	number	number	NOUN
fcis-7516	83	12	i	i	PRON
fcis-7516	83	13	with	with	ADP
fcis-7516	83	14	an	an	DET
fcis-7516	83	15	initial	initial	ADJ
fcis-7516	83	16	value	value	NOUN
fcis-7516	83	17	of	of	ADP
fcis-7516	83	18	0	0	NUM
fcis-7516	83	19	,	,	PUNCT
fcis-7516	83	20	which	which	PRON
fcis-7516	83	21	is	be	AUX
fcis-7516	83	22	used	use	VERB
fcis-7516	83	23	to	to	PART
fcis-7516	83	24	select	select	VERB
fcis-7516	83	25	the	the	DET
fcis-7516	83	26	key	key	NOUN
fcis-7516	83	27	from	from	ADP
fcis-7516	83	28	the	the	DET
fcis-7516	83	29	key	key	ADJ
fcis-7516	83	30	pool	pool	NOUN
fcis-7516	83	31	during	during	ADP
fcis-7516	83	32	the	the	DET
fcis-7516	83	33	authentication	authentication	NOUN
fcis-7516	83	34	phase	phase	NOUN
fcis-7516	83	35	.	.	PUNCT
fcis-7516	84	1	4.2.2	4.2.2	X
fcis-7516	84	2	.	.	PUNCT
fcis-7516	84	3	certification	certification	NOUN
fcis-7516	84	4	stage	stage	NOUN
fcis-7516	84	5	similar	similar	ADJ
fcis-7516	84	6	to	to	ADP
fcis-7516	84	7	the	the	DET
fcis-7516	84	8	original	original	ADJ
fcis-7516	84	9	authentication	authentication	NOUN
fcis-7516	84	10	process	process	NOUN
fcis-7516	84	11	,	,	PUNCT
fcis-7516	84	12	only	only	ADV
fcis-7516	84	13	part	part	NOUN
fcis-7516	84	14	of	of	ADP
fcis-7516	84	15	the	the	DET
fcis-7516	84	16	process	process	NOUN
fcis-7516	84	17	of	of	ADP
fcis-7516	84	18	encryption	encryption	NOUN
fcis-7516	84	19	and	and	CCONJ
fcis-7516	84	20	decryption	decryption	NOUN
fcis-7516	84	21	in	in	ADP
fcis-7516	84	22	the	the	DET
fcis-7516	84	23	authentication	authentication	NOUN
fcis-7516	84	24	process	process	NOUN
fcis-7516	84	25	is	be	AUX
fcis-7516	84	26	changed	change	VERB
fcis-7516	84	27	.	.	PUNCT
fcis-7516	85	1	among	among	ADP
fcis-7516	85	2	the	the	DET
fcis-7516	85	3	three	three	NUM
fcis-7516	85	4	steps	step	NOUN
fcis-7516	85	5	in	in	ADP
fcis-7516	85	6	the	the	DET
fcis-7516	85	7	original	original	ADJ
fcis-7516	85	8	81	81	NUM
fcis-7516	85	9	authentication	authentication	NOUN
fcis-7516	85	10	process	process	NOUN
fcis-7516	85	11	,	,	PUNCT
fcis-7516	85	12	the	the	DET
fcis-7516	85	13	risk	risk	NOUN
fcis-7516	85	14	lies	lie	VERB
fcis-7516	85	15	in	in	ADP
fcis-7516	85	16	the	the	DET
fcis-7516	85	17	ciphertext	ciphertext	ADJ
fcis-7516	85	18	security	security	NOUN
fcis-7516	85	19	during	during	ADP
fcis-7516	85	20	the	the	DET
fcis-7516	85	21	first	first	ADJ
fcis-7516	85	22	step	step	NOUN
fcis-7516	85	23	of	of	ADP
fcis-7516	85	24	transmission	transmission	NOUN
fcis-7516	85	25	,	,	PUNCT
fcis-7516	85	26	and	and	CCONJ
fcis-7516	85	27	the	the	DET
fcis-7516	85	28	last	last	ADJ
fcis-7516	85	29	two	two	NUM
fcis-7516	85	30	steps	step	NOUN
fcis-7516	85	31	all	all	PRON
fcis-7516	85	32	use	use	VERB
fcis-7516	85	33	the	the	DET
fcis-7516	85	34	random	random	ADJ
fcis-7516	85	35	session	session	NOUN
fcis-7516	85	36	secret	secret	ADJ
fcis-7516	85	37	key	key	NOUN
fcis-7516	85	38	for	for	ADP
fcis-7516	85	39	encryption	encryption	NOUN
fcis-7516	85	40	and	and	CCONJ
fcis-7516	85	41	decryption	decryption	NOUN
fcis-7516	85	42	transmission	transmission	NOUN
fcis-7516	85	43	,	,	PUNCT
fcis-7516	85	44	and	and	CCONJ
fcis-7516	85	45	the	the	DET
fcis-7516	85	46	latter	latter	ADJ
fcis-7516	85	47	two	two	NUM
fcis-7516	85	48	steps	step	NOUN
fcis-7516	85	49	of	of	ADP
fcis-7516	85	50	the	the	DET
fcis-7516	85	51	authentication	authentication	NOUN
fcis-7516	85	52	process	process	NOUN
fcis-7516	85	53	are	be	AUX
fcis-7516	85	54	not	not	PART
fcis-7516	85	55	modified	modify	VERB
fcis-7516	85	56	in	in	ADP
fcis-7516	85	57	this	this	DET
fcis-7516	85	58	paper	paper	NOUN
fcis-7516	85	59	.	.	PUNCT
fcis-7516	86	1	figure	figure	NOUN
fcis-7516	86	2	3	3	NUM
fcis-7516	86	3	.	.	PUNCT
fcis-7516	86	4	certification	certification	NOUN
fcis-7516	86	5	process	process	NOUN
fcis-7516	86	6	as	as	ADP
fcis-7516	86	7	in	in	ADP
fcis-7516	86	8	figure	figure	NOUN
fcis-7516	86	9	3	3	NUM
fcis-7516	86	10	,	,	PUNCT
fcis-7516	86	11	authentication	authentication	NOUN
fcis-7516	86	12	starts	start	VERB
fcis-7516	86	13	:	:	PUNCT
fcis-7516	87	1	client->as	client->a	NOUN
fcis-7516	87	2	:	:	PUNCT
fcis-7516	87	3	userinfo	userinfo	ADJ
fcis-7516	87	4	/	/	SYM
fcis-7516	87	5	as->client	as->client	NOUN
fcis-7516	87	6	:	:	PUNCT
fcis-7516	87	7	eke	eke	ADJ
fcis-7516	87	8	[	[	PUNCT
fcis-7516	87	9	userinfo	userinfo	NOUN
fcis-7516	87	10	||	||	PROPN
fcis-7516	87	11	kst	kst	PROPN
fcis-7516	87	12	]	]	PUNCT
fcis-7516	87	13	||	||	PROPN
fcis-7516	88	1	tgt	tgt	INTJ
fcis-7516	89	1	the	the	DET
fcis-7516	89	2	user	user	NOUN
fcis-7516	89	3	also	also	ADV
fcis-7516	89	4	sends	send	VERB
fcis-7516	89	5	the	the	DET
fcis-7516	89	6	user	user	NOUN
fcis-7516	89	7	information	information	NOUN
fcis-7516	89	8	to	to	ADP
fcis-7516	89	9	as	as	ADP
fcis-7516	89	10	in	in	ADP
fcis-7516	89	11	plaintext	plaintext	NOUN
fcis-7516	89	12	only	only	ADV
fcis-7516	89	13	.	.	PUNCT
fcis-7516	90	1	at	at	ADP
fcis-7516	90	2	this	this	DET
fcis-7516	90	3	time	time	NOUN
fcis-7516	90	4	,	,	PUNCT
fcis-7516	90	5	the	the	DET
fcis-7516	90	6	as	as	ADP
fcis-7516	90	7	side	side	NOUN
fcis-7516	90	8	selects	select	NOUN
fcis-7516	90	9	the	the	DET
fcis-7516	90	10	corresponding	corresponding	ADJ
fcis-7516	90	11	user	user	NOUN
fcis-7516	90	12	key	key	NOUN
fcis-7516	90	13	and	and	CCONJ
fcis-7516	90	14	serial	serial	ADJ
fcis-7516	90	15	number	number	NOUN
fcis-7516	90	16	according	accord	VERB
fcis-7516	90	17	to	to	ADP
fcis-7516	90	18	the	the	DET
fcis-7516	90	19	user	user	NOUN
fcis-7516	90	20	identity	identity	NOUN
fcis-7516	90	21	information	information	NOUN
fcis-7516	90	22	,	,	PUNCT
fcis-7516	90	23	uses	use	VERB
fcis-7516	90	24	the	the	DET
fcis-7516	90	25	user	user	NOUN
fcis-7516	90	26	key	key	NOUN
fcis-7516	90	27	as	as	ADP
fcis-7516	90	28	the	the	DET
fcis-7516	90	29	initial	initial	ADJ
fcis-7516	90	30	key	key	ADJ
fcis-7516	90	31	seed	seed	NOUN
fcis-7516	90	32	of	of	ADP
fcis-7516	90	33	zuc	zuc	PROPN
fcis-7516	90	34	's	's	PART
fcis-7516	90	35	key	key	ADJ
fcis-7516	90	36	generator	generator	NOUN
fcis-7516	90	37	,	,	PUNCT
fcis-7516	90	38	generates	generate	VERB
fcis-7516	90	39	several	several	ADJ
fcis-7516	90	40	sub	sub	NOUN
fcis-7516	90	41	-	-	NOUN
fcis-7516	90	42	keys	key	NOUN
fcis-7516	90	43	,	,	PUNCT
fcis-7516	90	44	and	and	CCONJ
fcis-7516	90	45	then	then	ADV
fcis-7516	90	46	selects	select	VERB
fcis-7516	90	47	the	the	DET
fcis-7516	90	48	key	key	ADJ
fcis-7516	90	49	key	key	NOUN
fcis-7516	90	50	by	by	ADP
fcis-7516	90	51	serial	serial	ADJ
fcis-7516	90	52	number	number	NOUN
fcis-7516	90	53	i.	i.	NOUN
fcis-7516	90	54	the	the	DET
fcis-7516	90	55	key	key	NOUN
fcis-7516	90	56	is	be	AUX
fcis-7516	90	57	used	use	VERB
fcis-7516	90	58	as	as	ADP
fcis-7516	90	59	the	the	DET
fcis-7516	90	60	key	key	NOUN
fcis-7516	90	61	of	of	ADP
fcis-7516	90	62	des	des	X
fcis-7516	90	63	algorithm	algorithm	PROPN
fcis-7516	90	64	to	to	PART
fcis-7516	90	65	encrypt	encrypt	VERB
fcis-7516	90	66	tgs	tgs	PROPN
fcis-7516	90	67	credentials	credential	NOUN
fcis-7516	90	68	,	,	PUNCT
fcis-7516	90	69	session	session	NOUN
fcis-7516	90	70	key	key	ADJ
fcis-7516	90	71	and	and	CCONJ
fcis-7516	90	72	other	other	ADJ
fcis-7516	90	73	information	information	NOUN
fcis-7516	90	74	to	to	PART
fcis-7516	90	75	send	send	VERB
fcis-7516	90	76	back	back	ADV
fcis-7516	90	77	to	to	ADP
fcis-7516	90	78	the	the	DET
fcis-7516	90	79	user	user	NOUN
fcis-7516	90	80	.	.	PUNCT
fcis-7516	91	1	the	the	DET
fcis-7516	91	2	user	user	NOUN
fcis-7516	91	3	obtains	obtain	VERB
fcis-7516	91	4	the	the	DET
fcis-7516	91	5	key	key	NOUN
fcis-7516	91	6	and	and	CCONJ
fcis-7516	91	7	decrypts	decrypt	NOUN
fcis-7516	91	8	the	the	DET
fcis-7516	91	9	ciphertext	ciphertext	NOUN
fcis-7516	91	10	in	in	ADP
fcis-7516	91	11	the	the	DET
fcis-7516	91	12	same	same	ADJ
fcis-7516	91	13	way	way	NOUN
fcis-7516	91	14	,	,	PUNCT
fcis-7516	91	15	and	and	CCONJ
fcis-7516	91	16	obtains	obtain	VERB
fcis-7516	91	17	the	the	DET
fcis-7516	91	18	session	session	NOUN
fcis-7516	91	19	key	key	NOUN
fcis-7516	91	20	and	and	CCONJ
fcis-7516	91	21	tgs	tgs	NOUN
fcis-7516	91	22	credentials	credential	NOUN
fcis-7516	91	23	for	for	ADP
fcis-7516	91	24	subsequent	subsequent	ADJ
fcis-7516	91	25	communication	communication	NOUN
fcis-7516	91	26	in	in	ADP
fcis-7516	91	27	the	the	DET
fcis-7516	91	28	ciphertext	ciphertext	NOUN
fcis-7516	91	29	.	.	PUNCT
fcis-7516	92	1	client->tgs	client->tgs	NOUN
fcis-7516	92	2	:	:	PUNCT
fcis-7516	93	1	ekst	ekst	PROPN
fcis-7516	93	2	[	[	PUNCT
fcis-7516	93	3	userinfo	userinfo	NOUN
fcis-7516	93	4	||	||	PROPN
fcis-7516	94	1	ids	ids	PROPN
fcis-7516	94	2	]	]	PUNCT
fcis-7516	94	3	||	||	NOUN
fcis-7516	95	1	tgt	tgt	PROPN
fcis-7516	95	2	/	/	SYM
fcis-7516	95	3	tgs->client	tgs->client	NOUN
fcis-7516	95	4	:	:	PUNCT
fcis-7516	95	5	ekst	ekst	PROPN
fcis-7516	95	6	[	[	PUNCT
fcis-7516	95	7	userinfo	userinfo	NOUN
fcis-7516	95	8	||	||	PROPN
fcis-7516	96	1	kss	kss	PROPN
fcis-7516	96	2	]	]	PUNCT
fcis-7516	96	3	||	||	PROPN
fcis-7516	97	1	st	st	PROPN
fcis-7516	98	1	the	the	DET
fcis-7516	98	2	tgs	tgs	PROPN
fcis-7516	98	3	then	then	ADV
fcis-7516	98	4	encrypts	encrypt	VERB
fcis-7516	98	5	the	the	DET
fcis-7516	98	6	identity	identity	NOUN
fcis-7516	98	7	information	information	NOUN
fcis-7516	98	8	with	with	ADP
fcis-7516	98	9	the	the	DET
fcis-7516	98	10	newly	newly	ADV
fcis-7516	98	11	obtained	obtain	VERB
fcis-7516	98	12	session	session	NOUN
fcis-7516	98	13	key	key	NOUN
fcis-7516	98	14	and	and	CCONJ
fcis-7516	98	15	sends	send	VERB
fcis-7516	98	16	it	it	PRON
fcis-7516	98	17	back	back	ADV
fcis-7516	98	18	to	to	ADP
fcis-7516	98	19	the	the	DET
fcis-7516	98	20	tgs	tgs	NOUN
fcis-7516	98	21	with	with	ADP
fcis-7516	98	22	the	the	DET
fcis-7516	98	23	tgs	tgs	PROPN
fcis-7516	98	24	credentials	credential	NOUN
fcis-7516	98	25	.	.	PUNCT
fcis-7516	99	1	the	the	DET
fcis-7516	99	2	tgs	tgs	NOUN
fcis-7516	99	3	decrypts	decrypt	VERB
fcis-7516	99	4	the	the	DET
fcis-7516	99	5	credentials	credential	NOUN
fcis-7516	99	6	to	to	PART
fcis-7516	99	7	obtain	obtain	VERB
fcis-7516	99	8	the	the	DET
fcis-7516	99	9	session	session	NOUN
fcis-7516	99	10	key	key	NOUN
fcis-7516	99	11	and	and	CCONJ
fcis-7516	99	12	uses	use	VERB
fcis-7516	99	13	the	the	DET
fcis-7516	99	14	session	session	NOUN
fcis-7516	99	15	key	key	NOUN
fcis-7516	99	16	to	to	PART
fcis-7516	99	17	decrypt	decrypt	VERB
fcis-7516	99	18	the	the	DET
fcis-7516	99	19	cipher	cipher	ADJ
fcis-7516	99	20	text	text	NOUN
fcis-7516	99	21	to	to	PART
fcis-7516	99	22	compare	compare	VERB
fcis-7516	99	23	the	the	DET
fcis-7516	99	24	identity	identity	NOUN
fcis-7516	99	25	information	information	NOUN
fcis-7516	99	26	in	in	ADP
fcis-7516	99	27	the	the	DET
fcis-7516	99	28	cipher	cipher	ADJ
fcis-7516	99	29	text	text	NOUN
fcis-7516	99	30	with	with	ADP
fcis-7516	99	31	that	that	PRON
fcis-7516	99	32	in	in	ADP
fcis-7516	99	33	the	the	DET
fcis-7516	99	34	credentials	credential	NOUN
fcis-7516	99	35	,	,	PUNCT
fcis-7516	99	36	and	and	CCONJ
fcis-7516	99	37	if	if	SCONJ
fcis-7516	99	38	it	it	PRON
fcis-7516	99	39	is	be	AUX
fcis-7516	99	40	consistent	consistent	ADJ
fcis-7516	99	41	,	,	PUNCT
fcis-7516	99	42	it	it	PRON
fcis-7516	99	43	generates	generate	VERB
fcis-7516	99	44	a	a	DET
fcis-7516	99	45	new	new	ADJ
fcis-7516	99	46	key	key	NOUN
fcis-7516	99	47	as	as	SCONJ
fcis-7516	99	48	the	the	DET
fcis-7516	99	49	next	next	ADJ
fcis-7516	99	50	session	session	NOUN
fcis-7516	99	51	key	key	NOUN
fcis-7516	99	52	to	to	PART
fcis-7516	99	53	communicate	communicate	VERB
fcis-7516	99	54	with	with	ADP
fcis-7516	99	55	the	the	DET
fcis-7516	99	56	server	server	NOUN
fcis-7516	99	57	.	.	PUNCT
fcis-7516	100	1	after	after	ADP
fcis-7516	100	2	a	a	DET
fcis-7516	100	3	complete	complete	ADJ
fcis-7516	100	4	authentication	authentication	NOUN
fcis-7516	100	5	,	,	PUNCT
fcis-7516	100	6	the	the	DET
fcis-7516	100	7	user	user	NOUN
fcis-7516	100	8	side	side	NOUN
fcis-7516	100	9	and	and	CCONJ
fcis-7516	100	10	the	the	DET
fcis-7516	100	11	server	server	NOUN
fcis-7516	100	12	side	side	NOUN
fcis-7516	100	13	will	will	AUX
fcis-7516	100	14	add	add	VERB
fcis-7516	100	15	1	1	NUM
fcis-7516	100	16	to	to	ADP
fcis-7516	100	17	the	the	DET
fcis-7516	100	18	authentication	authentication	NOUN
fcis-7516	100	19	number	number	NOUN
fcis-7516	100	20	to	to	PART
fcis-7516	100	21	ensure	ensure	VERB
fcis-7516	100	22	that	that	SCONJ
fcis-7516	100	23	the	the	DET
fcis-7516	100	24	next	next	ADJ
fcis-7516	100	25	authentication	authentication	NOUN
fcis-7516	100	26	can	can	AUX
fcis-7516	100	27	use	use	VERB
fcis-7516	100	28	a	a	DET
fcis-7516	100	29	different	different	ADJ
fcis-7516	100	30	subkey	subkey	NOUN
fcis-7516	100	31	.	.	PUNCT
fcis-7516	101	1	if	if	SCONJ
fcis-7516	101	2	the	the	DET
fcis-7516	101	3	authentication	authentication	NOUN
fcis-7516	101	4	fails	fail	VERB
fcis-7516	101	5	or	or	CCONJ
fcis-7516	101	6	is	be	AUX
fcis-7516	101	7	interrupted	interrupt	VERB
fcis-7516	101	8	in	in	ADP
fcis-7516	101	9	the	the	DET
fcis-7516	101	10	middle	middle	NOUN
fcis-7516	101	11	,	,	PUNCT
fcis-7516	101	12	neither	neither	DET
fcis-7516	101	13	side	side	NOUN
fcis-7516	101	14	will	will	AUX
fcis-7516	101	15	add	add	VERB
fcis-7516	101	16	1	1	NUM
fcis-7516	101	17	to	to	ADP
fcis-7516	101	18	the	the	DET
fcis-7516	101	19	authentication	authentication	NOUN
fcis-7516	101	20	number	number	NOUN
fcis-7516	101	21	to	to	PART
fcis-7516	101	22	ensure	ensure	VERB
fcis-7516	101	23	the	the	DET
fcis-7516	101	24	synchronization	synchronization	NOUN
fcis-7516	101	25	of	of	ADP
fcis-7516	101	26	the	the	DET
fcis-7516	101	27	authentication	authentication	NOUN
fcis-7516	101	28	numbers	number	NOUN
fcis-7516	101	29	of	of	ADP
fcis-7516	101	30	both	both	DET
fcis-7516	101	31	sides	side	NOUN
fcis-7516	101	32	.	.	PUNCT
fcis-7516	102	1	4.3	4.3	NUM
fcis-7516	102	2	.	.	PUNCT
fcis-7516	103	1	security	security	NOUN
fcis-7516	103	2	analysis	analysis	NOUN
fcis-7516	103	3	the	the	DET
fcis-7516	103	4	kerberos	kerberos	PROPN
fcis-7516	103	5	authentication	authentication	NOUN
fcis-7516	103	6	studied	study	VERB
fcis-7516	103	7	in	in	ADP
fcis-7516	103	8	this	this	DET
fcis-7516	103	9	topic	topic	NOUN
fcis-7516	103	10	converts	convert	VERB
fcis-7516	103	11	the	the	DET
fcis-7516	103	12	security	security	NOUN
fcis-7516	103	13	of	of	ADP
fcis-7516	103	14	the	the	DET
fcis-7516	103	15	128	128	NUM
fcis-7516	103	16	-	-	PUNCT
fcis-7516	103	17	bit	bit	NOUN
fcis-7516	103	18	key	key	NOUN
fcis-7516	103	19	,	,	PUNCT
fcis-7516	103	20	which	which	PRON
fcis-7516	103	21	is	be	AUX
fcis-7516	103	22	the	the	DET
fcis-7516	103	23	riskiest	risky	ADJ
fcis-7516	103	24	part	part	NOUN
fcis-7516	103	25	of	of	ADP
fcis-7516	103	26	the	the	DET
fcis-7516	103	27	original	original	ADJ
fcis-7516	103	28	authentication	authentication	NOUN
fcis-7516	103	29	process	process	NOUN
fcis-7516	103	30	,	,	PUNCT
fcis-7516	103	31	into	into	ADP
fcis-7516	103	32	the	the	DET
fcis-7516	103	33	security	security	NOUN
fcis-7516	103	34	of	of	ADP
fcis-7516	103	35	several	several	ADJ
fcis-7516	103	36	subkeys	subkey	NOUN
fcis-7516	103	37	generated	generate	VERB
fcis-7516	103	38	by	by	ADP
fcis-7516	103	39	the	the	DET
fcis-7516	103	40	128	128	NUM
fcis-7516	103	41	-	-	PUNCT
fcis-7516	103	42	bit	bit	NOUN
fcis-7516	103	43	key	key	NOUN
fcis-7516	103	44	.	.	PUNCT
fcis-7516	104	1	for	for	ADP
fcis-7516	104	2	an	an	DET
fcis-7516	104	3	attacker	attacker	NOUN
fcis-7516	104	4	,	,	PUNCT
fcis-7516	104	5	the	the	DET
fcis-7516	104	6	ciphertext	ciphertext	NOUN
fcis-7516	104	7	obtained	obtain	VERB
fcis-7516	104	8	from	from	ADP
fcis-7516	104	9	the	the	DET
fcis-7516	104	10	communication	communication	NOUN
fcis-7516	104	11	channel	channel	NOUN
fcis-7516	104	12	is	be	AUX
fcis-7516	104	13	one	one	NUM
fcis-7516	104	14	of	of	ADP
fcis-7516	104	15	several	several	ADJ
fcis-7516	104	16	subkeys	subkey	NOUN
fcis-7516	104	17	generated	generate	VERB
fcis-7516	104	18	by	by	ADP
fcis-7516	104	19	the	the	DET
fcis-7516	104	20	unknown	unknown	ADJ
fcis-7516	104	21	user	user	NOUN
fcis-7516	104	22	key	key	NOUN
fcis-7516	104	23	and	and	CCONJ
fcis-7516	104	24	des	de	NOUN
fcis-7516	104	25	encrypted	encrypt	VERB
fcis-7516	104	26	,	,	PUNCT
fcis-7516	104	27	and	and	CCONJ
fcis-7516	104	28	the	the	DET
fcis-7516	104	29	ciphertext	ciphertext	NOUN
fcis-7516	104	30	in	in	ADP
fcis-7516	104	31	the	the	DET
fcis-7516	104	32	data	datum	NOUN
fcis-7516	104	33	obtained	obtain	VERB
fcis-7516	104	34	during	during	ADP
fcis-7516	104	35	each	each	DET
fcis-7516	104	36	authentication	authentication	NOUN
fcis-7516	104	37	is	be	AUX
fcis-7516	104	38	encrypted	encrypt	VERB
fcis-7516	104	39	by	by	ADP
fcis-7516	104	40	a	a	DET
fcis-7516	104	41	different	different	ADJ
fcis-7516	104	42	key	key	NOUN
fcis-7516	104	43	,	,	PUNCT
fcis-7516	104	44	even	even	ADV
fcis-7516	104	45	though	though	SCONJ
fcis-7516	104	46	all	all	DET
fcis-7516	104	47	these	these	DET
fcis-7516	104	48	keys	key	NOUN
fcis-7516	104	49	are	be	AUX
fcis-7516	104	50	generated	generate	VERB
fcis-7516	104	51	by	by	ADP
fcis-7516	104	52	the	the	DET
fcis-7516	104	53	same	same	ADJ
fcis-7516	104	54	key	key	ADJ
fcis-7516	104	55	seed	seed	NOUN
fcis-7516	104	56	and	and	CCONJ
fcis-7516	104	57	selected	select	VERB
fcis-7516	104	58	one	one	NUM
fcis-7516	104	59	by	by	ADP
fcis-7516	104	60	one	one	NUM
fcis-7516	104	61	from	from	ADP
fcis-7516	104	62	the	the	DET
fcis-7516	104	63	abstract	abstract	ADJ
fcis-7516	104	64	key	key	ADJ
fcis-7516	104	65	pool	pool	NOUN
fcis-7516	104	66	,	,	PUNCT
fcis-7516	104	67	but	but	CCONJ
fcis-7516	104	68	zuchon	zuchon	NOUN
fcis-7516	104	69	's	's	PART
fcis-7516	104	70	key	key	ADJ
fcis-7516	104	71	generator	generator	NOUN
fcis-7516	104	72	guarantees	guarantee	VERB
fcis-7516	104	73	the	the	DET
fcis-7516	104	74	weak	weak	ADJ
fcis-7516	104	75	correlation	correlation	NOUN
fcis-7516	104	76	between	between	ADP
fcis-7516	104	77	the	the	DET
fcis-7516	104	78	keys	key	NOUN
fcis-7516	104	79	,	,	PUNCT
fcis-7516	104	80	so	so	SCONJ
fcis-7516	104	81	that	that	SCONJ
fcis-7516	104	82	even	even	ADV
fcis-7516	104	83	if	if	SCONJ
fcis-7516	104	84	an	an	DET
fcis-7516	104	85	attacker	attacker	NOUN
fcis-7516	104	86	obtains	obtain	VERB
fcis-7516	104	87	the	the	DET
fcis-7516	104	88	keys	key	NOUN
fcis-7516	104	89	used	use	VERB
fcis-7516	104	90	for	for	ADP
fcis-7516	104	91	several	several	ADJ
fcis-7516	104	92	consecutive	consecutive	ADJ
fcis-7516	104	93	authentications	authentication	NOUN
fcis-7516	104	94	by	by	ADP
fcis-7516	104	95	some	some	DET
fcis-7516	104	96	means	mean	NOUN
fcis-7516	104	97	,	,	PUNCT
fcis-7516	104	98	he	he	PRON
fcis-7516	104	99	can	can	AUX
fcis-7516	104	100	not	not	PART
fcis-7516	104	101	get	get	VERB
fcis-7516	104	102	the	the	DET
fcis-7516	104	103	keys	key	NOUN
fcis-7516	104	104	used	use	VERB
fcis-7516	104	105	for	for	ADP
fcis-7516	104	106	subsequent	subsequent	ADJ
fcis-7516	104	107	authentications	authentication	NOUN
fcis-7516	104	108	,	,	PUNCT
fcis-7516	104	109	i.e.	i.e.	X
fcis-7516	104	110	,	,	PUNCT
fcis-7516	104	111	he	he	PRON
fcis-7516	104	112	can	can	AUX
fcis-7516	104	113	not	not	PART
fcis-7516	104	114	pass	pass	VERB
fcis-7516	104	115	the	the	DET
fcis-7516	104	116	authentication	authentication	NOUN
fcis-7516	104	117	.	.	PUNCT
fcis-7516	105	1	in	in	ADP
fcis-7516	105	2	terms	term	NOUN
fcis-7516	105	3	of	of	ADP
fcis-7516	105	4	attack	attack	NOUN
fcis-7516	105	5	methods	method	NOUN
fcis-7516	105	6	,	,	PUNCT
fcis-7516	105	7	the	the	DET
fcis-7516	105	8	original	original	ADJ
fcis-7516	105	9	version	version	NOUN
fcis-7516	105	10	of	of	ADP
fcis-7516	105	11	authentication	authentication	NOUN
fcis-7516	105	12	is	be	AUX
fcis-7516	105	13	targeted	target	VERB
fcis-7516	105	14	by	by	ADP
fcis-7516	105	15	brute	brute	ADJ
fcis-7516	105	16	force	force	NOUN
fcis-7516	105	17	cracking	crack	VERB
fcis-7516	105	18	and	and	CCONJ
fcis-7516	105	19	dictionary	dictionary	ADJ
fcis-7516	105	20	guessing	guessing	NOUN
fcis-7516	105	21	of	of	ADP
fcis-7516	105	22	the	the	DET
fcis-7516	105	23	128	128	NUM
fcis-7516	105	24	-	-	PUNCT
fcis-7516	105	25	bit	bit	NOUN
fcis-7516	105	26	user	user	NOUN
fcis-7516	105	27	key	key	NOUN
fcis-7516	105	28	,	,	PUNCT
fcis-7516	105	29	which	which	PRON
fcis-7516	105	30	is	be	AUX
fcis-7516	105	31	no	no	ADV
fcis-7516	105	32	longer	long	ADV
fcis-7516	105	33	secure	secure	ADJ
fcis-7516	105	34	with	with	ADP
fcis-7516	105	35	today	today	NOUN
fcis-7516	105	36	's	's	PART
fcis-7516	105	37	computing	computing	NOUN
fcis-7516	105	38	power	power	NOUN
fcis-7516	105	39	,	,	PUNCT
fcis-7516	105	40	while	while	SCONJ
fcis-7516	105	41	the	the	DET
fcis-7516	105	42	improved	improved	ADJ
fcis-7516	105	43	authentication	authentication	NOUN
fcis-7516	105	44	scheme	scheme	NOUN
fcis-7516	105	45	targets	target	NOUN
fcis-7516	105	46	not	not	PART
fcis-7516	105	47	only	only	ADV
fcis-7516	105	48	the	the	DET
fcis-7516	105	49	128	128	NUM
fcis-7516	105	50	-	-	PUNCT
fcis-7516	105	51	bit	bit	NOUN
fcis-7516	105	52	key	key	ADJ
fcis-7516	105	53	,	,	PUNCT
fcis-7516	105	54	but	but	CCONJ
fcis-7516	105	55	also	also	ADV
fcis-7516	105	56	a	a	DET
fcis-7516	105	57	key	key	ADJ
fcis-7516	105	58	pool	pool	NOUN
fcis-7516	105	59	with	with	ADP
fcis-7516	105	60	several	several	ADJ
fcis-7516	105	61	keys	key	NOUN
fcis-7516	105	62	generated	generate	VERB
fcis-7516	105	63	by	by	ADP
fcis-7516	105	64	a	a	DET
fcis-7516	105	65	hidden	hide	VERB
fcis-7516	105	66	128bit	128bit	NUM
fcis-7516	105	67	secret	secret	ADJ
fcis-7516	105	68	key	key	NOUN
fcis-7516	105	69	,	,	PUNCT
fcis-7516	105	70	which	which	PRON
fcis-7516	105	71	appears	appear	VERB
fcis-7516	105	72	from	from	ADP
fcis-7516	105	73	the	the	DET
fcis-7516	105	74	outside	outside	NOUN
fcis-7516	105	75	as	as	SCONJ
fcis-7516	105	76	if	if	SCONJ
fcis-7516	105	77	each	each	DET
fcis-7516	105	78	authentication	authentication	NOUN
fcis-7516	105	79	uses	use	VERB
fcis-7516	105	80	a	a	DET
fcis-7516	105	81	the	the	DET
fcis-7516	105	82	authentication	authentication	NOUN
fcis-7516	105	83	process	process	NOUN
fcis-7516	105	84	becomes	become	VERB
fcis-7516	105	85	random	random	ADJ
fcis-7516	105	86	and	and	CCONJ
fcis-7516	105	87	dynamic	dynamic	ADJ
fcis-7516	105	88	,	,	PUNCT
fcis-7516	105	89	and	and	CCONJ
fcis-7516	105	90	the	the	DET
fcis-7516	105	91	difficulty	difficulty	NOUN
fcis-7516	105	92	of	of	ADP
fcis-7516	105	93	the	the	DET
fcis-7516	105	94	attack	attack	NOUN
fcis-7516	105	95	rises	rise	VERB
fcis-7516	105	96	exponentially	exponentially	ADV
fcis-7516	105	97	.	.	PUNCT
fcis-7516	106	1	moreover	moreover	ADV
fcis-7516	106	2	,	,	PUNCT
fcis-7516	106	3	due	due	ADP
fcis-7516	106	4	to	to	ADP
fcis-7516	106	5	the	the	DET
fcis-7516	106	6	existence	existence	NOUN
fcis-7516	106	7	of	of	ADP
fcis-7516	106	8	the	the	DET
fcis-7516	106	9	authentication	authentication	NOUN
fcis-7516	106	10	number	number	NOUN
fcis-7516	106	11	,	,	PUNCT
fcis-7516	106	12	even	even	ADV
fcis-7516	106	13	if	if	SCONJ
fcis-7516	106	14	an	an	DET
fcis-7516	106	15	attacker	attacker	NOUN
fcis-7516	106	16	obtains	obtain	VERB
fcis-7516	106	17	data	datum	NOUN
fcis-7516	106	18	from	from	ADP
fcis-7516	106	19	a	a	DET
fcis-7516	106	20	certain	certain	ADJ
fcis-7516	106	21	authentication	authentication	NOUN
fcis-7516	106	22	process	process	NOUN
fcis-7516	106	23	and	and	CCONJ
fcis-7516	106	24	attempts	attempt	VERB
fcis-7516	106	25	to	to	PART
fcis-7516	106	26	replay	replay	VERB
fcis-7516	106	27	the	the	DET
fcis-7516	106	28	attack	attack	NOUN
fcis-7516	106	29	,	,	PUNCT
fcis-7516	106	30	the	the	DET
fcis-7516	106	31	data	datum	NOUN
fcis-7516	106	32	will	will	AUX
fcis-7516	106	33	no	no	ADV
fcis-7516	106	34	longer	long	ADV
fcis-7516	106	35	be	be	AUX
fcis-7516	106	36	valid	valid	ADJ
fcis-7516	106	37	due	due	ADP
fcis-7516	106	38	to	to	ADP
fcis-7516	106	39	the	the	DET
fcis-7516	106	40	change	change	NOUN
fcis-7516	106	41	of	of	ADP
fcis-7516	106	42	the	the	DET
fcis-7516	106	43	authentication	authentication	NOUN
fcis-7516	106	44	number	number	NOUN
fcis-7516	106	45	,	,	PUNCT
fcis-7516	106	46	which	which	PRON
fcis-7516	106	47	can	can	AUX
fcis-7516	106	48	effectively	effectively	ADV
fcis-7516	106	49	prevent	prevent	VERB
fcis-7516	106	50	replay	replay	NOUN
fcis-7516	106	51	attacks	attack	NOUN
fcis-7516	106	52	.	.	PUNCT
fcis-7516	107	1	5	5	X
fcis-7516	107	2	.	.	X
fcis-7516	107	3	program	program	NOUN
fcis-7516	107	4	comparison	comparison	NOUN
fcis-7516	107	5	5.1	5.1	NUM
fcis-7516	107	6	.	.	PUNCT
fcis-7516	108	1	safety	safety	NOUN
fcis-7516	108	2	comparison	comparison	NOUN
fcis-7516	108	3	for	for	ADP
fcis-7516	108	4	different	different	ADJ
fcis-7516	108	5	kerberos	kerberos	PROPN
fcis-7516	108	6	improvement	improvement	NOUN
fcis-7516	108	7	schemes	scheme	NOUN
fcis-7516	108	8	,	,	PUNCT
fcis-7516	108	9	the	the	DET
fcis-7516	108	10	core	core	ADJ
fcis-7516	108	11	goal	goal	NOUN
fcis-7516	108	12	is	be	AUX
fcis-7516	108	13	to	to	PART
fcis-7516	108	14	ensure	ensure	VERB
fcis-7516	108	15	the	the	DET
fcis-7516	108	16	security	security	NOUN
fcis-7516	108	17	of	of	ADP
fcis-7516	108	18	the	the	DET
fcis-7516	108	19	session	session	NOUN
fcis-7516	108	20	secret	secret	ADJ
fcis-7516	108	21	key	key	NOUN
fcis-7516	108	22	transmitted	transmit	VERB
fcis-7516	108	23	during	during	ADP
fcis-7516	108	24	the	the	DET
fcis-7516	108	25	first	first	ADJ
fcis-7516	108	26	step	step	NOUN
fcis-7516	108	27	of	of	ADP
fcis-7516	108	28	communication	communication	NOUN
fcis-7516	108	29	in	in	ADP
fcis-7516	108	30	the	the	DET
fcis-7516	108	31	authentication	authentication	NOUN
fcis-7516	108	32	process	process	NOUN
fcis-7516	108	33	,	,	PUNCT
fcis-7516	108	34	abstracting	abstract	VERB
fcis-7516	108	35	its	its	PRON
fcis-7516	108	36	communication	communication	NOUN
fcis-7516	108	37	process	process	NOUN
fcis-7516	108	38	into	into	ADP
fcis-7516	108	39	a	a	DET
fcis-7516	108	40	simple	simple	ADJ
fcis-7516	108	41	communication	communication	NOUN
fcis-7516	108	42	between	between	ADP
fcis-7516	108	43	the	the	DET
fcis-7516	108	44	authentication	authentication	NOUN
fcis-7516	108	45	server	server	NOUN
fcis-7516	108	46	side	side	NOUN
fcis-7516	108	47	and	and	CCONJ
fcis-7516	108	48	the	the	DET
fcis-7516	108	49	client	client	NOUN
fcis-7516	108	50	side	side	NOUN
fcis-7516	108	51	,	,	PUNCT
fcis-7516	108	52	as	as	SCONJ
fcis-7516	108	53	shown	show	VERB
fcis-7516	108	54	in	in	ADP
fcis-7516	108	55	figure	figure	NOUN
fcis-7516	108	56	4	4	NUM
fcis-7516	108	57	.	.	PUNCT
fcis-7516	108	58	figure	figure	VERB
fcis-7516	108	59	4	4	NUM
fcis-7516	108	60	.	.	PUNCT
fcis-7516	108	61	general	general	ADJ
fcis-7516	108	62	communication	communication	NOUN
fcis-7516	108	63	process	process	NOUN
fcis-7516	108	64	for	for	ADP
fcis-7516	108	65	the	the	DET
fcis-7516	108	66	original	original	ADJ
fcis-7516	108	67	authentication	authentication	NOUN
fcis-7516	108	68	,	,	PUNCT
fcis-7516	108	69	once	once	SCONJ
fcis-7516	108	70	the	the	DET
fcis-7516	108	71	user	user	NOUN
fcis-7516	108	72	key	key	NOUN
fcis-7516	108	73	is	be	AUX
fcis-7516	108	74	cracked	crack	VERB
fcis-7516	108	75	,	,	PUNCT
fcis-7516	108	76	the	the	DET
fcis-7516	108	77	ciphertext	ciphertext	NOUN
fcis-7516	108	78	of	of	ADP
fcis-7516	108	79	any	any	DET
fcis-7516	108	80	subsequent	subsequent	ADJ
fcis-7516	108	81	communication	communication	NOUN
fcis-7516	108	82	can	can	AUX
fcis-7516	108	83	be	be	AUX
fcis-7516	108	84	decrypted	decrypt	VERB
fcis-7516	108	85	by	by	ADP
fcis-7516	108	86	the	the	DET
fcis-7516	108	87	user	user	NOUN
fcis-7516	108	88	key	key	NOUN
fcis-7516	108	89	as	as	ADV
fcis-7516	108	90	long	long	ADV
fcis-7516	108	91	as	as	SCONJ
fcis-7516	108	92	it	it	PRON
fcis-7516	108	93	is	be	AUX
fcis-7516	108	94	intercepted	intercept	VERB
fcis-7516	108	95	by	by	ADP
fcis-7516	108	96	the	the	DET
fcis-7516	108	97	attacker	attacker	NOUN
fcis-7516	108	98	to	to	PART
fcis-7516	108	99	get	get	VERB
fcis-7516	108	100	the	the	DET
fcis-7516	108	101	session	session	NOUN
fcis-7516	108	102	secret	secret	ADJ
fcis-7516	108	103	key	key	NOUN
fcis-7516	108	104	of	of	ADP
fcis-7516	108	105	subsequent	subsequent	ADJ
fcis-7516	108	106	communication	communication	NOUN
fcis-7516	108	107	,	,	PUNCT
fcis-7516	108	108	and	and	CCONJ
fcis-7516	108	109	the	the	DET
fcis-7516	108	110	authentication	authentication	NOUN
fcis-7516	108	111	security	security	NOUN
fcis-7516	108	112	can	can	AUX
fcis-7516	108	113	not	not	PART
fcis-7516	108	114	be	be	AUX
fcis-7516	108	115	guaranteed	guarantee	VERB
fcis-7516	108	116	.	.	PUNCT
fcis-7516	109	1	some	some	PRON
fcis-7516	109	2	of	of	ADP
fcis-7516	109	3	the	the	DET
fcis-7516	109	4	ways	way	NOUN
fcis-7516	109	5	to	to	PART
fcis-7516	109	6	enhance	enhance	VERB
fcis-7516	109	7	the	the	DET
fcis-7516	109	8	key	key	ADJ
fcis-7516	109	9	strength	strength	NOUN
fcis-7516	109	10	by	by	ADP
fcis-7516	109	11	using	use	VERB
fcis-7516	109	12	public	public	ADJ
fcis-7516	109	13	key	key	ADJ
fcis-7516	109	14	cryptosystem	cryptosystem	NOUN
fcis-7516	109	15	aim	aim	VERB
fcis-7516	109	16	to	to	PART
fcis-7516	109	17	enhance	enhance	VERB
fcis-7516	109	18	the	the	DET
fcis-7516	109	19	key	key	ADJ
fcis-7516	109	20	strength	strength	NOUN
fcis-7516	109	21	and	and	CCONJ
fcis-7516	109	22	ensure	ensure	VERB
fcis-7516	109	23	that	that	SCONJ
fcis-7516	109	24	the	the	DET
fcis-7516	109	25	key	key	NOUN
fcis-7516	109	26	can	can	AUX
fcis-7516	109	27	not	not	PART
fcis-7516	109	28	be	be	AUX
fcis-7516	109	29	obtained	obtain	VERB
fcis-7516	109	30	by	by	ADP
fcis-7516	109	31	brute	brute	ADJ
fcis-7516	109	32	force	force	NOUN
fcis-7516	109	33	cracking	crack	VERB
fcis-7516	109	34	.	.	PUNCT
fcis-7516	110	1	the	the	DET
fcis-7516	110	2	improved	improve	VERB
fcis-7516	110	3	scheme	scheme	NOUN
fcis-7516	110	4	based	base	VERB
fcis-7516	110	5	on	on	ADP
fcis-7516	110	6	the	the	DET
fcis-7516	110	7	atypical	atypical	ADJ
fcis-7516	110	8	construction	construction	NOUN
fcis-7516	110	9	of	of	ADP
fcis-7516	110	10	dhr	dhr	PROPN
fcis-7516	110	11	proposed	propose	VERB
fcis-7516	110	12	in	in	ADP
fcis-7516	110	13	this	this	DET
fcis-7516	110	14	thesis	thesis	NOUN
fcis-7516	110	15	improves	improve	VERB
fcis-7516	110	16	the	the	DET
fcis-7516	110	17	above	above	ADJ
fcis-7516	110	18	communication	communication	NOUN
fcis-7516	110	19	process	process	NOUN
fcis-7516	110	20	into	into	ADP
fcis-7516	110	21	the	the	DET
fcis-7516	110	22	way	way	NOUN
fcis-7516	110	23	shown	show	VERB
fcis-7516	110	24	in	in	ADP
fcis-7516	110	25	figure	figure	NOUN
fcis-7516	110	26	5	5	NUM
fcis-7516	110	27	.	.	PUNCT
fcis-7516	110	28	for	for	ADP
fcis-7516	110	29	kerberos	kerberos	PROPN
fcis-7516	110	30	authentication	authentication	NOUN
fcis-7516	110	31	,	,	PUNCT
fcis-7516	110	32	the	the	DET
fcis-7516	110	33	cipher	cipher	ADJ
fcis-7516	110	34	text	text	NOUN
fcis-7516	110	35	is	be	AUX
fcis-7516	110	36	encrypted	encrypt	VERB
fcis-7516	110	37	by	by	ADP
fcis-7516	110	38	the	the	DET
fcis-7516	110	39	session	session	NOUN
fcis-7516	110	40	secret	secret	ADJ
fcis-7516	110	41	key	key	NOUN
fcis-7516	110	42	,	,	PUNCT
fcis-7516	110	43	which	which	PRON
fcis-7516	110	44	has	have	VERB
fcis-7516	110	45	a	a	DET
fcis-7516	110	46	valid	valid	ADJ
fcis-7516	110	47	time	time	NOUN
fcis-7516	110	48	(	(	PUNCT
fcis-7516	110	49	generally	generally	ADV
fcis-7516	110	50	8	8	NUM
fcis-7516	110	51	hours	hour	NOUN
fcis-7516	110	52	)	)	PUNCT
fcis-7516	110	53	,	,	PUNCT
fcis-7516	110	54	and	and	CCONJ
fcis-7516	110	55	the	the	DET
fcis-7516	110	56	session	session	NOUN
fcis-7516	110	57	secret	secret	ADJ
fcis-7516	110	58	key	key	NOUN
fcis-7516	110	59	will	will	AUX
fcis-7516	110	60	be	be	AUX
fcis-7516	110	61	invalidated	invalidated	ADJ
fcis-7516	110	62	after	after	ADP
fcis-7516	110	63	this	this	DET
fcis-7516	110	64	limited	limited	ADJ
fcis-7516	110	65	time	time	NOUN
fcis-7516	110	66	.	.	PUNCT
fcis-7516	111	1	in	in	ADP
fcis-7516	111	2	this	this	DET
fcis-7516	111	3	way	way	NOUN
fcis-7516	111	4	,	,	PUNCT
fcis-7516	111	5	even	even	ADV
fcis-7516	111	6	if	if	SCONJ
fcis-7516	111	7	an	an	DET
fcis-7516	111	8	attacker	attacker	NOUN
fcis-7516	111	9	gets	get	VERB
fcis-7516	111	10	the	the	DET
fcis-7516	111	11	ciphertext	ciphertext	NOUN
fcis-7516	111	12	of	of	ADP
fcis-7516	111	13	a	a	DET
fcis-7516	111	14	certain	certain	ADJ
fcis-7516	111	15	authentication	authentication	NOUN
fcis-7516	111	16	and	and	CCONJ
fcis-7516	111	17	wants	want	VERB
fcis-7516	111	18	to	to	PART
fcis-7516	111	19	intercept	intercept	VERB
fcis-7516	111	20	and	and	CCONJ
fcis-7516	111	21	attack	attack	VERB
fcis-7516	111	22	the	the	DET
fcis-7516	111	23	communication	communication	NOUN
fcis-7516	111	24	process	process	NOUN
fcis-7516	111	25	,	,	PUNCT
fcis-7516	111	26	the	the	DET
fcis-7516	111	27	session	session	NOUN
fcis-7516	111	28	secret	secret	ADJ
fcis-7516	111	29	key	key	NOUN
fcis-7516	111	30	contained	contain	VERB
fcis-7516	111	31	in	in	ADP
fcis-7516	111	32	the	the	DET
fcis-7516	111	33	ciphertext	ciphertext	NOUN
fcis-7516	111	34	will	will	AUX
fcis-7516	111	35	have	have	AUX
fcis-7516	111	36	exceeded	exceed	VERB
fcis-7516	111	37	the	the	DET
fcis-7516	111	38	limited	limited	ADJ
fcis-7516	111	39	time	time	NOUN
fcis-7516	111	40	and	and	CCONJ
fcis-7516	111	41	lost	lose	VERB
fcis-7516	111	42	its	its	PRON
fcis-7516	111	43	validity	validity	NOUN
fcis-7516	111	44	by	by	ADP
fcis-7516	111	45	the	the	DET
fcis-7516	111	46	time	time	NOUN
fcis-7516	111	47	the	the	DET
fcis-7516	111	48	attacker	attacker	NOUN
fcis-7516	111	49	cracks	crack	VERB
fcis-7516	111	50	the	the	DET
fcis-7516	111	51	key	key	NOUN
fcis-7516	111	52	,	,	PUNCT
fcis-7516	111	53	and	and	CCONJ
fcis-7516	111	54	the	the	DET
fcis-7516	111	55	authentication	authentication	NOUN
fcis-7516	111	56	will	will	AUX
fcis-7516	111	57	fail	fail	VERB
fcis-7516	111	58	.	.	PUNCT
fcis-7516	112	1	even	even	ADV
fcis-7516	112	2	if	if	SCONJ
fcis-7516	112	3	the	the	DET
fcis-7516	112	4	key	key	NOUN
fcis-7516	112	5	is	be	AUX
fcis-7516	112	6	cracked	crack	VERB
fcis-7516	112	7	,	,	PUNCT
fcis-7516	112	8	it	it	PRON
fcis-7516	112	9	can	can	AUX
fcis-7516	112	10	not	not	PART
fcis-7516	112	11	be	be	AUX
fcis-7516	112	12	applied	apply	VERB
fcis-7516	112	13	to	to	ADP
fcis-7516	112	14	the	the	DET
fcis-7516	112	15	decryption	decryption	NOUN
fcis-7516	112	16	of	of	ADP
fcis-7516	112	17	the	the	DET
fcis-7516	112	18	subsequently	subsequently	ADV
fcis-7516	112	19	obtained	obtain	VERB
fcis-7516	112	20	ciphertext	ciphertext	NOUN
fcis-7516	112	21	because	because	SCONJ
fcis-7516	112	22	the	the	DET
fcis-7516	112	23	key	key	NOUN
fcis-7516	112	24	used	use	VERB
fcis-7516	112	25	in	in	ADP
fcis-7516	112	26	each	each	DET
fcis-7516	112	27	encryption	encryption	NOUN
fcis-7516	112	28	is	be	AUX
fcis-7516	112	29	dynamically	dynamically	ADV
fcis-7516	112	30	changing	change	VERB
fcis-7516	112	31	.	.	PUNCT
fcis-7516	113	1	figure	figure	NOUN
fcis-7516	113	2	5	5	NUM
fcis-7516	113	3	.	.	PUNCT
fcis-7516	113	4	improved	improve	VERB
fcis-7516	113	5	communication	communication	NOUN
fcis-7516	113	6	process	process	NOUN
fcis-7516	113	7	82	82	NUM
fcis-7516	113	8	the	the	DET
fcis-7516	113	9	main	main	ADJ
fcis-7516	113	10	difference	difference	NOUN
fcis-7516	113	11	between	between	ADP
fcis-7516	113	12	the	the	DET
fcis-7516	113	13	scheme	scheme	NOUN
fcis-7516	113	14	in	in	ADP
fcis-7516	113	15	this	this	DET
fcis-7516	113	16	thesis	thesis	NOUN
fcis-7516	113	17	and	and	CCONJ
fcis-7516	113	18	others	other	NOUN
fcis-7516	113	19	is	be	AUX
fcis-7516	113	20	that	that	SCONJ
fcis-7516	113	21	it	it	PRON
fcis-7516	113	22	provides	provide	VERB
fcis-7516	113	23	endogenous	endogenous	ADJ
fcis-7516	113	24	security	security	NOUN
fcis-7516	113	25	for	for	ADP
fcis-7516	113	26	the	the	DET
fcis-7516	113	27	communication	communication	NOUN
fcis-7516	113	28	process	process	NOUN
fcis-7516	113	29	,	,	PUNCT
fcis-7516	113	30	accepting	accept	VERB
fcis-7516	113	31	a	a	DET
fcis-7516	113	32	certain	certain	ADJ
fcis-7516	113	33	level	level	NOUN
fcis-7516	113	34	of	of	ADP
fcis-7516	113	35	attacks	attack	NOUN
fcis-7516	113	36	,	,	PUNCT
fcis-7516	113	37	but	but	CCONJ
fcis-7516	113	38	using	use	VERB
fcis-7516	113	39	the	the	DET
fcis-7516	113	40	dynamic	dynamic	ADJ
fcis-7516	113	41	randomness	randomness	NOUN
fcis-7516	113	42	assigned	assign	VERB
fcis-7516	113	43	to	to	ADP
fcis-7516	113	44	it	it	PRON
fcis-7516	113	45	by	by	ADP
fcis-7516	113	46	the	the	DET
fcis-7516	113	47	dhr	dhr	PROPN
fcis-7516	113	48	model	model	NOUN
fcis-7516	113	49	so	so	SCONJ
fcis-7516	113	50	that	that	SCONJ
fcis-7516	113	51	its	its	PRON
fcis-7516	113	52	attacks	attack	NOUN
fcis-7516	113	53	can	can	AUX
fcis-7516	113	54	not	not	PART
fcis-7516	113	55	be	be	AUX
fcis-7516	113	56	applied	apply	VERB
fcis-7516	113	57	to	to	ADP
fcis-7516	113	58	the	the	DET
fcis-7516	113	59	authentication	authentication	NOUN
fcis-7516	113	60	process	process	NOUN
fcis-7516	113	61	.	.	PUNCT
fcis-7516	114	1	5.2	5.2	NUM
fcis-7516	114	2	.	.	PUNCT
fcis-7516	115	1	efficiency	efficiency	NOUN
fcis-7516	115	2	comparison	comparison	NOUN
fcis-7516	115	3	efficiency	efficiency	NOUN
fcis-7516	115	4	comparison	comparison	NOUN
fcis-7516	115	5	the	the	DET
fcis-7516	115	6	purpose	purpose	NOUN
fcis-7516	115	7	of	of	ADP
fcis-7516	115	8	the	the	DET
fcis-7516	115	9	scheme	scheme	NOUN
fcis-7516	115	10	proposed	propose	VERB
fcis-7516	115	11	in	in	ADP
fcis-7516	115	12	this	this	DET
fcis-7516	115	13	topic	topic	NOUN
fcis-7516	115	14	compared	compare	VERB
fcis-7516	115	15	with	with	ADP
fcis-7516	115	16	the	the	DET
fcis-7516	115	17	schemes	scheme	NOUN
fcis-7516	115	18	proposed	propose	VERB
fcis-7516	115	19	by	by	ADP
fcis-7516	115	20	other	other	ADJ
fcis-7516	115	21	scholars	scholar	NOUN
fcis-7516	115	22	is	be	AUX
fcis-7516	115	23	to	to	PART
fcis-7516	115	24	change	change	VERB
fcis-7516	115	25	the	the	DET
fcis-7516	115	26	way	way	NOUN
fcis-7516	115	27	of	of	ADP
fcis-7516	115	28	encryption	encryption	NOUN
fcis-7516	115	29	and	and	CCONJ
fcis-7516	115	30	decryption	decryption	NOUN
fcis-7516	115	31	to	to	PART
fcis-7516	115	32	improve	improve	VERB
fcis-7516	115	33	the	the	DET
fcis-7516	115	34	security	security	NOUN
fcis-7516	115	35	of	of	ADP
fcis-7516	115	36	the	the	DET
fcis-7516	115	37	ciphertext	ciphertext	NOUN
fcis-7516	115	38	with	with	ADP
fcis-7516	115	39	a	a	DET
fcis-7516	115	40	more	more	ADV
fcis-7516	115	41	secure	secure	ADJ
fcis-7516	115	42	algorithm	algorithm	NOUN
fcis-7516	115	43	,	,	PUNCT
fcis-7516	115	44	while	while	SCONJ
fcis-7516	115	45	the	the	DET
fcis-7516	115	46	purpose	purpose	NOUN
fcis-7516	115	47	of	of	ADP
fcis-7516	115	48	the	the	DET
fcis-7516	115	49	scheme	scheme	NOUN
fcis-7516	115	50	proposed	propose	VERB
fcis-7516	115	51	in	in	ADP
fcis-7516	115	52	this	this	DET
fcis-7516	115	53	paper	paper	NOUN
fcis-7516	115	54	is	be	AUX
fcis-7516	115	55	to	to	PART
fcis-7516	115	56	provide	provide	VERB
fcis-7516	115	57	dynamic	dynamic	ADJ
fcis-7516	115	58	randomness	randomness	NOUN
fcis-7516	115	59	to	to	ADP
fcis-7516	115	60	the	the	DET
fcis-7516	115	61	key	key	NOUN
fcis-7516	115	62	to	to	PART
fcis-7516	115	63	make	make	VERB
fcis-7516	115	64	the	the	DET
fcis-7516	115	65	ciphertext	ciphertext	NOUN
fcis-7516	115	66	secure	secure	ADJ
fcis-7516	115	67	.	.	PUNCT
fcis-7516	116	1	through	through	ADP
fcis-7516	116	2	the	the	DET
fcis-7516	116	3	above	above	ADJ
fcis-7516	116	4	theoretical	theoretical	ADJ
fcis-7516	116	5	analysis	analysis	NOUN
fcis-7516	116	6	,	,	PUNCT
fcis-7516	116	7	the	the	DET
fcis-7516	116	8	improved	improved	ADJ
fcis-7516	116	9	scheme	scheme	NOUN
fcis-7516	116	10	proposed	propose	VERB
fcis-7516	116	11	in	in	ADP
fcis-7516	116	12	this	this	DET
fcis-7516	116	13	topic	topic	NOUN
fcis-7516	116	14	can	can	AUX
fcis-7516	116	15	already	already	ADV
fcis-7516	116	16	effectively	effectively	ADV
fcis-7516	116	17	prevent	prevent	VERB
fcis-7516	116	18	the	the	DET
fcis-7516	116	19	common	common	ADJ
fcis-7516	116	20	attacks	attack	NOUN
fcis-7516	116	21	against	against	ADP
fcis-7516	116	22	the	the	DET
fcis-7516	116	23	kerberos	kerberos	PROPN
fcis-7516	116	24	authentication	authentication	NOUN
fcis-7516	116	25	protocol	protocol	NOUN
fcis-7516	116	26	.	.	PUNCT
fcis-7516	117	1	in	in	ADP
fcis-7516	117	2	order	order	NOUN
fcis-7516	117	3	to	to	PART
fcis-7516	117	4	further	far	ADV
fcis-7516	117	5	analyze	analyze	VERB
fcis-7516	117	6	the	the	DET
fcis-7516	117	7	authentication	authentication	NOUN
fcis-7516	117	8	efficiency	efficiency	NOUN
fcis-7516	117	9	of	of	ADP
fcis-7516	117	10	different	different	ADJ
fcis-7516	117	11	authentication	authentication	NOUN
fcis-7516	117	12	schemes	scheme	NOUN
fcis-7516	117	13	,	,	PUNCT
fcis-7516	117	14	the	the	DET
fcis-7516	117	15	author	author	NOUN
fcis-7516	117	16	conducted	conduct	VERB
fcis-7516	117	17	experiments	experiment	NOUN
fcis-7516	117	18	on	on	ADP
fcis-7516	117	19	the	the	DET
fcis-7516	117	20	encryption	encryption	NOUN
fcis-7516	117	21	and	and	CCONJ
fcis-7516	117	22	decryption	decryption	NOUN
fcis-7516	117	23	algorithms	algorithm	NOUN
fcis-7516	117	24	used	use	VERB
fcis-7516	117	25	in	in	ADP
fcis-7516	117	26	the	the	DET
fcis-7516	117	27	authentication	authentication	NOUN
fcis-7516	117	28	process	process	NOUN
fcis-7516	117	29	and	and	CCONJ
fcis-7516	117	30	the	the	DET
fcis-7516	117	31	authentication	authentication	NOUN
fcis-7516	117	32	process	process	NOUN
fcis-7516	117	33	.	.	PUNCT
fcis-7516	118	1	first	first	ADV
fcis-7516	118	2	,	,	PUNCT
fcis-7516	118	3	experiments	experiment	NOUN
fcis-7516	118	4	were	be	AUX
fcis-7516	118	5	conducted	conduct	VERB
fcis-7516	118	6	on	on	ADP
fcis-7516	118	7	the	the	DET
fcis-7516	118	8	speed	speed	NOUN
fcis-7516	118	9	of	of	ADP
fcis-7516	118	10	the	the	DET
fcis-7516	118	11	cryptographic	cryptographic	ADJ
fcis-7516	118	12	algorithms	algorithm	NOUN
fcis-7516	118	13	used	use	VERB
fcis-7516	118	14	in	in	ADP
fcis-7516	118	15	authentication	authentication	NOUN
fcis-7516	118	16	,	,	PUNCT
fcis-7516	118	17	including	include	VERB
fcis-7516	118	18	the	the	DET
fcis-7516	118	19	des	des	PROPN
fcis-7516	118	20	encryption	encryption	NOUN
fcis-7516	118	21	algorithm	algorithm	NOUN
fcis-7516	118	22	,	,	PUNCT
fcis-7516	118	23	the	the	DET
fcis-7516	118	24	speed	speed	NOUN
fcis-7516	118	25	of	of	ADP
fcis-7516	118	26	generating	generate	VERB
fcis-7516	118	27	different	different	ADJ
fcis-7516	118	28	numbers	number	NOUN
fcis-7516	118	29	of	of	ADP
fcis-7516	118	30	zuc	zuc	PROPN
fcis-7516	118	31	algorithms	algorithm	NOUN
fcis-7516	118	32	,	,	PUNCT
fcis-7516	118	33	and	and	CCONJ
fcis-7516	118	34	the	the	DET
fcis-7516	118	35	rsa	rsa	PROPN
fcis-7516	118	36	algorithm	algorithm	NOUN
fcis-7516	118	37	,	,	PUNCT
fcis-7516	118	38	and	and	CCONJ
fcis-7516	118	39	the	the	DET
fcis-7516	118	40	experimental	experimental	ADJ
fcis-7516	118	41	results	result	NOUN
fcis-7516	118	42	are	be	AUX
fcis-7516	118	43	shown	show	VERB
fcis-7516	118	44	in	in	ADP
fcis-7516	118	45	figure	figure	NOUN
fcis-7516	118	46	6	6	NUM
fcis-7516	118	47	and	and	CCONJ
fcis-7516	118	48	figure	figure	VERB
fcis-7516	118	49	7	7	NUM
fcis-7516	118	50	,	,	PUNCT
fcis-7516	118	51	respectively	respectively	ADV
fcis-7516	118	52	.	.	PUNCT
fcis-7516	119	1	figure	figure	NOUN
fcis-7516	119	2	6	6	NUM
fcis-7516	119	3	.	.	PUNCT
fcis-7516	120	1	zuc	zuc	NOUN
fcis-7516	120	2	generation	generation	NOUN
fcis-7516	120	3	efficiency	efficiency	NOUN
fcis-7516	120	4	experiments	experiment	NOUN
fcis-7516	120	5	figure	figure	VERB
fcis-7516	120	6	7	7	NUM
fcis-7516	120	7	.	.	PUNCT
fcis-7516	121	1	algorithm	algorithm	PROPN
fcis-7516	121	2	comparison	comparison	NOUN
fcis-7516	121	3	then	then	ADV
fcis-7516	121	4	compare	compare	VERB
fcis-7516	121	5	the	the	DET
fcis-7516	121	6	original	original	ADJ
fcis-7516	121	7	kerberos	kerbero	NOUN
fcis-7516	121	8	,	,	PUNCT
fcis-7516	121	9	the	the	DET
fcis-7516	121	10	improved	improved	ADJ
fcis-7516	121	11	scheme	scheme	NOUN
fcis-7516	121	12	2	2	NUM
fcis-7516	121	13	proposed	propose	VERB
fcis-7516	121	14	in	in	ADP
fcis-7516	121	15	this	this	DET
fcis-7516	121	16	paper	paper	NOUN
fcis-7516	121	17	,	,	PUNCT
fcis-7516	121	18	scheme	scheme	NOUN
fcis-7516	121	19	3	3	NUM
fcis-7516	121	20	proposed	propose	VERB
fcis-7516	121	21	in	in	ADP
fcis-7516	121	22	literature[12	literature[12	PROPN
fcis-7516	121	23	]	]	PUNCT
fcis-7516	121	24	,	,	PUNCT
fcis-7516	121	25	scheme	scheme	NOUN
fcis-7516	121	26	4	4	NUM
fcis-7516	121	27	proposed	propose	VERB
fcis-7516	121	28	in	in	ADP
fcis-7516	121	29	literature	literature	NOUN
fcis-7516	121	30	[	[	X
fcis-7516	121	31	4	4	NUM
fcis-7516	121	32	]	]	PUNCT
fcis-7516	121	33	,	,	PUNCT
fcis-7516	121	34	because	because	SCONJ
fcis-7516	121	35	the	the	DET
fcis-7516	121	36	key	key	ADJ
fcis-7516	121	37	flow	flow	NOUN
fcis-7516	121	38	generator	generator	NOUN
fcis-7516	121	39	used	use	VERB
fcis-7516	121	40	in	in	ADP
fcis-7516	121	41	this	this	DET
fcis-7516	121	42	paper	paper	NOUN
fcis-7516	121	43	is	be	AUX
fcis-7516	121	44	dynamically	dynamically	ADV
fcis-7516	121	45	generated	generate	VERB
fcis-7516	121	46	key	key	ADJ
fcis-7516	121	47	pool	pool	NOUN
fcis-7516	121	48	,	,	PUNCT
fcis-7516	121	49	the	the	DET
fcis-7516	121	50	key	key	ADJ
fcis-7516	121	51	pool	pool	NOUN
fcis-7516	121	52	size	size	NOUN
fcis-7516	121	53	is	be	AUX
fcis-7516	121	54	not	not	PART
fcis-7516	121	55	fixed	fix	VERB
fcis-7516	121	56	,	,	PUNCT
fcis-7516	121	57	so	so	ADV
fcis-7516	121	58	in	in	ADP
fcis-7516	121	59	the	the	DET
fcis-7516	121	60	experimental	experimental	ADJ
fcis-7516	121	61	process	process	NOUN
fcis-7516	121	62	to	to	PART
fcis-7516	121	63	take	take	VERB
fcis-7516	121	64	the	the	DET
fcis-7516	121	65	key	key	ADJ
fcis-7516	121	66	pool	pool	NOUN
fcis-7516	121	67	size	size	NOUN
fcis-7516	121	68	of	of	ADP
fcis-7516	121	69	100	100	NUM
fcis-7516	121	70	and	and	CCONJ
fcis-7516	121	71	1000	1000	NUM
fcis-7516	121	72	when	when	SCONJ
fcis-7516	121	73	different	different	ADJ
fcis-7516	121	74	cases	case	NOUN
fcis-7516	121	75	for	for	ADP
fcis-7516	121	76	testing	testing	NOUN
fcis-7516	121	77	,	,	PUNCT
fcis-7516	121	78	the	the	DET
fcis-7516	121	79	experimental	experimental	ADJ
fcis-7516	121	80	environment	environment	NOUN
fcis-7516	121	81	is	be	AUX
fcis-7516	121	82	a	a	DET
fcis-7516	121	83	dual	dual	ADJ
fcis-7516	121	84	-	-	PUNCT
fcis-7516	121	85	core	core	NOUN
fcis-7516	121	86	,	,	PUNCT
fcis-7516	121	87	running	run	VERB
fcis-7516	121	88	memory	memory	NOUN
fcis-7516	121	89	of	of	ADP
fcis-7516	121	90	4	4	NUM
fcis-7516	121	91	g	g	NOUN
fcis-7516	121	92	centos7	centos7	NOUN
fcis-7516	121	93	cloud	cloud	PROPN
fcis-7516	121	94	server	server	NOUN
fcis-7516	121	95	,	,	PUNCT
fcis-7516	121	96	the	the	DET
fcis-7516	121	97	time	time	NOUN
fcis-7516	121	98	spent	spend	VERB
fcis-7516	121	99	on	on	ADP
fcis-7516	121	100	the	the	DET
fcis-7516	121	101	original	original	ADJ
fcis-7516	121	102	authentication	authentication	NOUN
fcis-7516	121	103	process	process	NOUN
fcis-7516	121	104	is	be	AUX
fcis-7516	121	105	set	set	VERB
fcis-7516	121	106	as	as	ADP
fcis-7516	121	107	a	a	DET
fcis-7516	121	108	unit	unit	NOUN
fcis-7516	121	109	time	time	NOUN
fcis-7516	121	110	,	,	PUNCT
fcis-7516	121	111	the	the	DET
fcis-7516	121	112	experimental	experimental	ADJ
fcis-7516	121	113	results	result	NOUN
fcis-7516	121	114	are	be	AUX
fcis-7516	121	115	shown	show	VERB
fcis-7516	121	116	in	in	ADP
fcis-7516	121	117	figure	figure	NOUN
fcis-7516	121	118	8	8	NUM
fcis-7516	121	119	.	.	PUNCT
fcis-7516	122	1	figure	figure	NOUN
fcis-7516	122	2	8	8	NUM
fcis-7516	122	3	.	.	PUNCT
fcis-7516	123	1	comparison	comparison	NOUN
fcis-7516	123	2	of	of	ADP
fcis-7516	123	3	different	different	ADJ
fcis-7516	123	4	solutions	solution	NOUN
fcis-7516	123	5	kerberos	kerbero	NOUN
fcis-7516	123	6	from	from	ADP
fcis-7516	123	7	this	this	PRON
fcis-7516	123	8	,	,	PUNCT
fcis-7516	123	9	it	it	PRON
fcis-7516	123	10	can	can	AUX
fcis-7516	123	11	be	be	AUX
fcis-7516	123	12	seen	see	VERB
fcis-7516	123	13	that	that	SCONJ
fcis-7516	123	14	since	since	SCONJ
fcis-7516	123	15	schemes	scheme	NOUN
fcis-7516	123	16	3	3	NUM
fcis-7516	123	17	and	and	CCONJ
fcis-7516	123	18	4	4	NUM
fcis-7516	123	19	use	use	VERB
fcis-7516	123	20	public	public	ADJ
fcis-7516	123	21	-	-	PUNCT
fcis-7516	123	22	key	key	NOUN
fcis-7516	123	23	cryptosystems	cryptosystem	NOUN
fcis-7516	123	24	,	,	PUNCT
fcis-7516	123	25	the	the	DET
fcis-7516	123	26	efficiency	efficiency	NOUN
fcis-7516	123	27	of	of	ADP
fcis-7516	123	28	addition	addition	NOUN
fcis-7516	123	29	and	and	CCONJ
fcis-7516	123	30	resolution	resolution	NOUN
fcis-7516	123	31	is	be	AUX
fcis-7516	123	32	significantly	significantly	ADV
fcis-7516	123	33	reduced	reduce	VERB
fcis-7516	123	34	,	,	PUNCT
fcis-7516	123	35	and	and	CCONJ
fcis-7516	123	36	even	even	ADV
fcis-7516	123	37	when	when	SCONJ
fcis-7516	123	38	the	the	DET
fcis-7516	123	39	key	key	ADJ
fcis-7516	123	40	pool	pool	NOUN
fcis-7516	123	41	size	size	NOUN
fcis-7516	123	42	in	in	ADP
fcis-7516	123	43	this	this	DET
fcis-7516	123	44	topic	topic	NOUN
fcis-7516	123	45	is	be	AUX
fcis-7516	123	46	1000	1000	NUM
fcis-7516	123	47	,	,	PUNCT
fcis-7516	123	48	the	the	DET
fcis-7516	123	49	authentication	authentication	NOUN
fcis-7516	123	50	efficiency	efficiency	NOUN
fcis-7516	123	51	of	of	ADP
fcis-7516	123	52	the	the	DET
fcis-7516	123	53	scheme	scheme	NOUN
fcis-7516	123	54	proposed	propose	VERB
fcis-7516	123	55	in	in	ADP
fcis-7516	123	56	this	this	DET
fcis-7516	123	57	paper	paper	NOUN
fcis-7516	123	58	is	be	AUX
fcis-7516	123	59	better	well	ADJ
fcis-7516	123	60	than	than	ADP
fcis-7516	123	61	that	that	PRON
fcis-7516	123	62	of	of	ADP
fcis-7516	123	63	schemes	scheme	NOUN
fcis-7516	123	64	3	3	NUM
fcis-7516	123	65	and	and	CCONJ
fcis-7516	123	66	4	4	NUM
fcis-7516	123	67	.	.	NOUN
fcis-7516	123	68	6	6	NUM
fcis-7516	123	69	.	.	X
fcis-7516	123	70	summary	summary	NOUN
fcis-7516	123	71	in	in	ADP
fcis-7516	123	72	this	this	DET
fcis-7516	123	73	thesis	thesis	NOUN
fcis-7516	123	74	,	,	PUNCT
fcis-7516	123	75	we	we	PRON
fcis-7516	123	76	propose	propose	VERB
fcis-7516	123	77	a	a	DET
fcis-7516	123	78	new	new	ADJ
fcis-7516	123	79	and	and	CCONJ
fcis-7516	123	80	improved	improved	ADJ
fcis-7516	123	81	scheme	scheme	NOUN
fcis-7516	123	82	for	for	ADP
fcis-7516	123	83	the	the	DET
fcis-7516	123	84	kerberos	kerberos	PROPN
fcis-7516	123	85	authentication	authentication	NOUN
fcis-7516	123	86	protocol	protocol	NOUN
fcis-7516	123	87	,	,	PUNCT
fcis-7516	123	88	where	where	SCONJ
fcis-7516	123	89	the	the	DET
fcis-7516	123	90	keys	key	NOUN
fcis-7516	123	91	used	use	VERB
fcis-7516	123	92	for	for	ADP
fcis-7516	123	93	encryption	encryption	NOUN
fcis-7516	123	94	and	and	CCONJ
fcis-7516	123	95	decryption	decryption	NOUN
fcis-7516	123	96	are	be	AUX
fcis-7516	123	97	obtained	obtain	VERB
fcis-7516	123	98	through	through	ADP
fcis-7516	123	99	a	a	DET
fcis-7516	123	100	key	key	ADJ
fcis-7516	123	101	generator	generator	NOUN
fcis-7516	123	102	for	for	ADP
fcis-7516	123	103	sequence	sequence	NOUN
fcis-7516	123	104	ciphers	cipher	NOUN
fcis-7516	123	105	.	.	PUNCT
fcis-7516	124	1	through	through	ADP
fcis-7516	124	2	detailed	detailed	ADJ
fcis-7516	124	3	analysis	analysis	NOUN
fcis-7516	124	4	and	and	CCONJ
fcis-7516	124	5	experimental	experimental	ADJ
fcis-7516	124	6	verification	verification	NOUN
fcis-7516	124	7	of	of	ADP
fcis-7516	124	8	the	the	DET
fcis-7516	124	9	scheme	scheme	NOUN
fcis-7516	124	10	,	,	PUNCT
fcis-7516	124	11	we	we	PRON
fcis-7516	124	12	demonstrate	demonstrate	VERB
fcis-7516	124	13	that	that	SCONJ
fcis-7516	124	14	the	the	DET
fcis-7516	124	15	scheme	scheme	NOUN
fcis-7516	124	16	can	can	AUX
fcis-7516	124	17	improve	improve	VERB
fcis-7516	124	18	the	the	DET
fcis-7516	124	19	performance	performance	NOUN
fcis-7516	124	20	and	and	CCONJ
fcis-7516	124	21	reliability	reliability	NOUN
fcis-7516	124	22	of	of	ADP
fcis-7516	124	23	the	the	DET
fcis-7516	124	24	system	system	NOUN
fcis-7516	124	25	while	while	SCONJ
fcis-7516	124	26	ensuring	ensure	VERB
fcis-7516	124	27	authentication	authentication	NOUN
fcis-7516	124	28	security	security	NOUN
fcis-7516	124	29	.	.	PUNCT
fcis-7516	125	1	in	in	ADP
fcis-7516	125	2	this	this	DET
fcis-7516	125	3	paper	paper	NOUN
fcis-7516	125	4	,	,	PUNCT
fcis-7516	125	5	we	we	PRON
fcis-7516	125	6	mainly	mainly	ADV
fcis-7516	125	7	improve	improve	VERB
fcis-7516	125	8	the	the	DET
fcis-7516	125	9	traditional	traditional	ADJ
fcis-7516	125	10	kerberos	kerbero	NOUN
fcis-7516	125	11	authentication	authentication	NOUN
fcis-7516	125	12	protocol	protocol	NOUN
fcis-7516	125	13	to	to	PART
fcis-7516	125	14	solve	solve	VERB
fcis-7516	125	15	the	the	DET
fcis-7516	125	16	security	security	NOUN
fcis-7516	125	17	problems	problem	NOUN
fcis-7516	125	18	in	in	ADP
fcis-7516	125	19	key	key	ADJ
fcis-7516	125	20	management	management	NOUN
fcis-7516	125	21	and	and	CCONJ
fcis-7516	125	22	transmission	transmission	NOUN
fcis-7516	125	23	,	,	PUNCT
fcis-7516	125	24	and	and	CCONJ
fcis-7516	125	25	also	also	ADV
fcis-7516	125	26	optimize	optimize	VERB
fcis-7516	125	27	the	the	DET
fcis-7516	125	28	shortcomings	shortcoming	NOUN
fcis-7516	125	29	of	of	ADP
fcis-7516	125	30	other	other	ADJ
fcis-7516	125	31	improved	improved	ADJ
fcis-7516	125	32	schemes	scheme	NOUN
fcis-7516	125	33	that	that	PRON
fcis-7516	125	34	significantly	significantly	ADV
fcis-7516	125	35	reduce	reduce	VERB
fcis-7516	125	36	the	the	DET
fcis-7516	125	37	authentication	authentication	NOUN
fcis-7516	125	38	efficiency	efficiency	NOUN
fcis-7516	125	39	.	.	PUNCT
fcis-7516	126	1	experimental	experimental	ADJ
fcis-7516	126	2	results	result	NOUN
fcis-7516	126	3	show	show	VERB
fcis-7516	126	4	that	that	SCONJ
fcis-7516	126	5	the	the	DET
fcis-7516	126	6	improved	improved	ADJ
fcis-7516	126	7	protocol	protocol	NOUN
fcis-7516	126	8	outperforms	outperform	VERB
fcis-7516	126	9	the	the	DET
fcis-7516	126	10	traditional	traditional	ADJ
fcis-7516	126	11	kerberos	kerbero	NOUN
fcis-7516	126	12	authentication	authentication	NOUN
fcis-7516	126	13	protocol	protocol	NOUN
fcis-7516	126	14	and	and	CCONJ
fcis-7516	126	15	other	other	ADJ
fcis-7516	126	16	improved	improved	ADJ
fcis-7516	126	17	schemes	scheme	NOUN
fcis-7516	126	18	in	in	ADP
fcis-7516	126	19	terms	term	NOUN
fcis-7516	126	20	of	of	ADP
fcis-7516	126	21	security	security	NOUN
fcis-7516	126	22	,	,	PUNCT
fcis-7516	126	23	performance	performance	NOUN
fcis-7516	126	24	and	and	CCONJ
fcis-7516	126	25	reliability	reliability	NOUN
fcis-7516	126	26	to	to	ADP
fcis-7516	126	27	a	a	DET
fcis-7516	126	28	certain	certain	ADJ
fcis-7516	126	29	extent	extent	NOUN
fcis-7516	126	30	.	.	PUNCT
fcis-7516	127	1	although	although	SCONJ
fcis-7516	127	2	the	the	DET
fcis-7516	127	3	improved	improved	ADJ
fcis-7516	127	4	scheme	scheme	NOUN
fcis-7516	127	5	proposed	propose	VERB
fcis-7516	127	6	in	in	ADP
fcis-7516	127	7	this	this	DET
fcis-7516	127	8	paper	paper	NOUN
fcis-7516	127	9	has	have	AUX
fcis-7516	127	10	achieved	achieve	VERB
fcis-7516	127	11	certain	certain	ADJ
fcis-7516	127	12	results	result	NOUN
fcis-7516	127	13	,	,	PUNCT
fcis-7516	127	14	there	there	PRON
fcis-7516	127	15	are	be	VERB
fcis-7516	127	16	still	still	ADV
fcis-7516	127	17	many	many	ADJ
fcis-7516	127	18	aspects	aspect	NOUN
fcis-7516	127	19	that	that	PRON
fcis-7516	127	20	need	need	VERB
fcis-7516	127	21	further	further	ADJ
fcis-7516	127	22	research	research	NOUN
fcis-7516	127	23	and	and	CCONJ
fcis-7516	127	24	improvement	improvement	NOUN
fcis-7516	127	25	,	,	PUNCT
fcis-7516	127	26	for	for	ADP
fcis-7516	127	27	example	example	NOUN
fcis-7516	127	28	,	,	PUNCT
fcis-7516	127	29	the	the	DET
fcis-7516	127	30	key	key	ADJ
fcis-7516	127	31	pool	pool	NOUN
fcis-7516	127	32	can	can	AUX
fcis-7516	127	33	be	be	AUX
fcis-7516	127	34	further	far	ADV
fcis-7516	127	35	optimized	optimize	VERB
fcis-7516	127	36	by	by	ADP
fcis-7516	127	37	a	a	DET
fcis-7516	127	38	caching	cache	VERB
fcis-7516	127	39	scheme	scheme	NOUN
fcis-7516	127	40	to	to	PART
fcis-7516	127	41	obtain	obtain	VERB
fcis-7516	127	42	the	the	DET
fcis-7516	127	43	speed	speed	NOUN
fcis-7516	127	44	of	of	ADP
fcis-7516	127	45	keys	key	NOUN
fcis-7516	127	46	.	.	PUNCT
fcis-7516	128	1	it	it	PRON
fcis-7516	128	2	is	be	AUX
fcis-7516	128	3	hoped	hope	VERB
fcis-7516	128	4	that	that	SCONJ
fcis-7516	128	5	the	the	DET
fcis-7516	128	6	scheme	scheme	NOUN
fcis-7516	128	7	can	can	AUX
fcis-7516	128	8	provide	provide	VERB
fcis-7516	128	9	a	a	DET
fcis-7516	128	10	reference	reference	NOUN
fcis-7516	128	11	for	for	ADP
fcis-7516	128	12	researchers	researcher	NOUN
fcis-7516	128	13	in	in	ADP
fcis-7516	128	14	related	related	ADJ
fcis-7516	128	15	fields	field	NOUN
fcis-7516	128	16	and	and	CCONJ
fcis-7516	128	17	provide	provide	VERB
fcis-7516	128	18	ideas	idea	NOUN
fcis-7516	128	19	for	for	ADP
fcis-7516	128	20	solving	solve	VERB
fcis-7516	128	21	authentication	authentication	NOUN
fcis-7516	128	22	security	security	NOUN
fcis-7516	128	23	problems	problem	NOUN
fcis-7516	128	24	in	in	ADP
fcis-7516	128	25	practical	practical	ADJ
fcis-7516	128	26	applications	application	NOUN
fcis-7516	128	27	.	.	PUNCT
fcis-7516	129	1	references	reference	NOUN
fcis-7516	129	2	[	[	X
fcis-7516	129	3	1	1	NUM
fcis-7516	129	4	]	]	X
fcis-7516	129	5	neuman	neuman	NOUN
fcis-7516	129	6	c	c	PROPN
fcis-7516	129	7	,	,	PUNCT
fcis-7516	129	8	steiner	steiner	PROPN
fcis-7516	129	9	j.	j.	PROPN
fcis-7516	129	10	authentication	authentication	PROPN
fcis-7516	129	11	of	of	ADP
fcis-7516	129	12	unknown	unknown	ADJ
fcis-7516	129	13	entities	entity	NOUN
fcis-7516	129	14	on	on	ADP
fcis-7516	129	15	an	an	DET
fcis-7516	129	16	insecure	insecure	ADJ
fcis-7516	129	17	network	network	NOUN
fcis-7516	129	18	of	of	ADP
fcis-7516	129	19	untrusted	untrusted	ADJ
fcis-7516	129	20	workstations[j	workstations[j	PROPN
fcis-7516	129	21	]	]	PUNCT
fcis-7516	129	22	.	.	PUNCT
fcis-7516	130	1	proceedings	proceeding	NOUN
fcis-7516	130	2	of	of	ADP
fcis-7516	130	3	the	the	DET
fcis-7516	130	4	usenix	usenix	NOUN
fcis-7516	130	5	workshop	workshop	NOUN
fcis-7516	130	6	on	on	ADP
fcis-7516	130	7	workstation	workstation	NOUN
fcis-7516	130	8	security	security	NOUN
fcis-7516	130	9	,	,	PUNCT
fcis-7516	130	10	1988	1988	NUM
fcis-7516	130	11	.	.	PUNCT
fcis-7516	131	1	[	[	X
fcis-7516	131	2	2	2	NUM
fcis-7516	131	3	]	]	SYM
fcis-7516	131	4	improvement	improvement	NOUN
fcis-7516	131	5	of	of	ADP
fcis-7516	131	6	kerberos	kerberos	PROPN
fcis-7516	131	7	protocol	protocol	NOUN
fcis-7516	131	8	based	base	VERB
fcis-7516	131	9	on	on	ADP
fcis-7516	131	10	dynamic	dynamic	ADJ
fcis-7516	131	11	password	password	NOUN
fcis-7516	131	12	regime	regime	NOUN
fcis-7516	131	13	_	_	PROPN
fcis-7516	131	14	huang	huang	PROPN
fcis-7516	132	1	[	[	X
fcis-7516	132	2	j	j	X
fcis-7516	132	3	]	]	X
fcis-7516	132	4	.	.	PUNCT
fcis-7516	133	1	[	[	X
fcis-7516	133	2	3	3	X
fcis-7516	133	3	]	]	X
fcis-7516	133	4	ganesan	ganesan	PROPN
fcis-7516	133	5	r.	r.	PROPN
fcis-7516	133	6	yaksha	yaksha	PROPN
fcis-7516	133	7	:	:	PUNCT
fcis-7516	133	8	augmenting	augment	VERB
fcis-7516	133	9	kerberos	kerbero	NOUN
fcis-7516	133	10	with	with	ADP
fcis-7516	133	11	public	public	ADJ
fcis-7516	133	12	key	key	ADJ
fcis-7516	133	13	cryptography[c]//symposium	cryptography[c]//symposium	NOUN
fcis-7516	133	14	on	on	ADP
fcis-7516	133	15	network	network	NOUN
fcis-7516	133	16	&	&	CCONJ
fcis-7516	133	17	distributed	distribute	VERB
fcis-7516	133	18	system	system	NOUN
fcis-7516	133	19	security	security	NOUN
fcis-7516	133	20	,	,	PUNCT
fcis-7516	133	21	1995	1995	NUM
fcis-7516	133	22	.	.	PUNCT
fcis-7516	134	1	[	[	X
fcis-7516	134	2	4	4	X
fcis-7516	134	3	]	]	X
fcis-7516	134	4	ma	ma	PROPN
fcis-7516	134	5	limin	limin	PROPN
fcis-7516	134	6	,	,	PUNCT
fcis-7516	134	7	zhang	zhang	PROPN
fcis-7516	134	8	wei	wei	PROPN
fcis-7516	134	9	,	,	PUNCT
fcis-7516	134	10	song	song	NOUN
fcis-7516	134	11	ying	ying	PROPN
fcis-7516	134	12	.	.	PUNCT
fcis-7516	135	1	an	an	DET
fcis-7516	135	2	enhanced	enhance	VERB
fcis-7516	135	3	kerberos	kerberos	PROPN
fcis-7516	135	4	protocol	protocol	NOUN
fcis-7516	135	5	approach	approach	NOUN
fcis-7516	135	6	based	base	VERB
fcis-7516	135	7	on	on	ADP
fcis-7516	135	8	one	one	NUM
fcis-7516	135	9	-	-	PUNCT
fcis-7516	135	10	time	time	NOUN
fcis-7516	135	11	password	password	NOUN
fcis-7516	135	12	and	and	CCONJ
fcis-7516	135	13	its	its	PRON
fcis-7516	135	14	formal	formal	ADJ
fcis-7516	135	15	analysis	analysis	NOUN
fcis-7516	135	16	_	_	PRON
fcis-7516	135	17	ma	ma	PROPN
fcis-7516	135	18	limin	limin	PROPN
fcis-7516	136	1	[	[	X
fcis-7516	136	2	j	j	X
fcis-7516	136	3	]	]	X
fcis-7516	136	4	.	.	PUNCT
fcis-7516	137	1	information	information	NOUN
fcis-7516	137	2	network	network	NOUN
fcis-7516	137	3	security	security	NOUN
fcis-7516	137	4	,	,	PUNCT
fcis-7516	137	5	2019(10	2019(10	NUM
fcis-7516	137	6	):	):	PUNCT
fcis-7516	137	7	57	57	NUM
fcis-7516	137	8	-	-	SYM
fcis-7516	137	9	64	64	NUM
fcis-7516	137	10	.	.	PUNCT
fcis-7516	138	1	[	[	X
fcis-7516	138	2	5	5	NUM
fcis-7516	138	3	]	]	PUNCT
fcis-7516	138	4	security	security	NOUN
fcis-7516	138	5	analysis	analysis	NOUN
fcis-7516	138	6	and	and	CCONJ
fcis-7516	138	7	countermeasure	countermeasure	NOUN
fcis-7516	138	8	research	research	NOUN
fcis-7516	138	9	of	of	ADP
fcis-7516	138	10	kerberos	kerberos	PROPN
fcis-7516	138	11	protocol_ping	protocol_ping	PROPN
fcis-7516	138	12	yang	yang	PROPN
fcis-7516	139	1	[	[	X
fcis-7516	139	2	j	j	X
fcis-7516	139	3	]	]	X
fcis-7516	139	4	.	.	PUNCT
fcis-7516	140	1	0	0	NUM
fcis-7516	140	2	100	100	NUM
fcis-7516	140	3	200	200	NUM
fcis-7516	140	4	300	300	NUM
fcis-7516	140	5	400	400	NUM
fcis-7516	140	6	500	500	NUM
fcis-7516	140	7	100	100	NUM
fcis-7516	140	8	300	300	NUM
fcis-7516	140	9	500	500	NUM
fcis-7516	140	10	1000	1000	NUM
fcis-7516	140	11	3000ti	3000ti	NOUN
fcis-7516	140	12	m	m	VERB
fcis-7516	140	13	e	e	NOUN
fcis-7516	140	14	sp	sp	ADP
fcis-7516	140	15	en	en	ADP
fcis-7516	140	16	t	t	PROPN
fcis-7516	140	17	(	(	PUNCT
fcis-7516	140	18	u	u	NOUN
fcis-7516	140	19	s	s	NOUN
fcis-7516	140	20	)	)	PUNCT
fcis-7516	140	21	number	number	NOUN
fcis-7516	140	22	of	of	ADP
fcis-7516	140	23	generated	generate	VERB
fcis-7516	140	24	keys	key	NOUN
fcis-7516	140	25	0	0	NUM
fcis-7516	140	26	1000	1000	NUM
fcis-7516	140	27	2000	2000	NUM
fcis-7516	140	28	3000	3000	NUM
fcis-7516	140	29	4000	4000	NUM
fcis-7516	140	30	5000	5000	NUM
fcis-7516	140	31	6000	6000	NUM
fcis-7516	140	32	7000	7000	NUM
fcis-7516	140	33	8000	8000	NUM
fcis-7516	140	34	9000	9000	NUM
fcis-7516	140	35	des	de	NOUN
fcis-7516	140	36	zuc（1000	zuc（1000	PROPN
fcis-7516	140	37	keys	key	NOUN
fcis-7516	140	38	）	）	SYM
fcis-7516	140	39	zuc（3000	zuc（3000	NUM
fcis-7516	140	40	keys	key	NOUN
fcis-7516	140	41	）	）	SYM
fcis-7516	140	42	rsa	rsa	NOUN
fcis-7516	140	43	0	0	NUM
fcis-7516	140	44	2	2	NUM
fcis-7516	140	45	4	4	NUM
fcis-7516	140	46	6	6	NUM
fcis-7516	140	47	8	8	NUM
fcis-7516	140	48	10	10	NUM
fcis-7516	140	49	12	12	NUM
fcis-7516	140	50	14	14	NUM
fcis-7516	140	51	83	83	NUM
fcis-7516	141	1	[	[	SYM
fcis-7516	141	2	6	6	NUM
fcis-7516	141	3	]	]	PUNCT
fcis-7516	141	4	wang	wang	PROPN
fcis-7516	141	5	ruifang	ruifang	PROPN
fcis-7516	141	6	.	.	PUNCT
fcis-7516	142	1	research	research	NOUN
fcis-7516	142	2	on	on	ADP
fcis-7516	142	3	kerberos	kerberos	PROPN
fcis-7516	142	4	password	password	NOUN
fcis-7516	142	5	recovery	recovery	NOUN
fcis-7516	142	6	and	and	CCONJ
fcis-7516	142	7	security	security	NOUN
fcis-7516	142	8	hardening	harden	VERB
fcis-7516	142	9	technology_wang	technology_wang	PROPN
fcis-7516	142	10	ruifang	ruifang	NOUN
fcis-7516	143	1	[	[	X
fcis-7516	143	2	d	d	X
fcis-7516	143	3	]	]	X
fcis-7516	143	4	.	.	PUNCT
fcis-7516	144	1	zhengzhou	zhengzhou	PROPN
fcis-7516	144	2	university	university	PROPN
fcis-7516	144	3	,	,	PUNCT
fcis-7516	144	4	2020	2020	NUM
fcis-7516	144	5	.	.	PUNCT
fcis-7516	145	1	[	[	X
fcis-7516	145	2	7	7	X
fcis-7516	145	3	]	]	X
fcis-7516	145	4	a	a	DET
fcis-7516	145	5	method	method	NOUN
fcis-7516	145	6	to	to	PART
fcis-7516	145	7	improve	improve	VERB
fcis-7516	145	8	the	the	DET
fcis-7516	145	9	kerberos	kerberos	PROPN
fcis-7516	145	10	protocol	protocol	NOUN
fcis-7516	145	11	using	use	VERB
fcis-7516	145	12	dynamic	dynamic	ADJ
fcis-7516	145	13	cryptosystem_hu	cryptosystem_hu	NOUN
fcis-7516	145	14	hanping	hanpe	VERB
fcis-7516	146	1	[	[	X
fcis-7516	146	2	j	j	X
fcis-7516	146	3	]	]	X
fcis-7516	146	4	.	.	PUNCT
fcis-7516	147	1	[	[	X
fcis-7516	147	2	8	8	NUM
fcis-7516	147	3	]	]	X
fcis-7516	147	4	mimetic	mimetic	ADJ
fcis-7516	147	5	security	security	NOUN
fcis-7516	147	6	defense	defense	NOUN
fcis-7516	147	7	in	in	ADP
fcis-7516	147	8	cyberspace_wu	cyberspace_wu	PROPN
fcis-7516	147	9	jiangxing	jiangxe	VERB
fcis-7516	148	1	[	[	X
fcis-7516	148	2	j	j	X
fcis-7516	148	3	]	]	X
fcis-7516	148	4	.	.	PUNCT
fcis-7516	149	1	[	[	X
fcis-7516	149	2	9	9	X
fcis-7516	149	3	]	]	X
fcis-7516	149	4	shi	shi	PROPN
fcis-7516	149	5	zhen	zhen	PROPN
fcis-7516	149	6	.	.	PUNCT
fcis-7516	150	1	research	research	NOUN
fcis-7516	150	2	on	on	ADP
fcis-7516	150	3	lfsr	lfsr	PROPN
fcis-7516	150	4	-	-	PUNCT
fcis-7516	150	5	based	base	VERB
fcis-7516	150	6	sequential	sequential	ADJ
fcis-7516	150	7	cryptographic	cryptographic	ADJ
fcis-7516	150	8	correlation	correlation	NOUN
fcis-7516	150	9	attack	attack	NOUN
fcis-7516	150	10	method_shizhen	method_shizhen	PROPN
fcis-7516	151	1	[	[	X
fcis-7516	151	2	d	d	X
fcis-7516	151	3	]	]	X
fcis-7516	151	4	.	.	PUNCT
fcis-7516	152	1	strategic	strategic	ADJ
fcis-7516	152	2	support	support	NOUN
fcis-7516	152	3	force	force	NOUN
fcis-7516	152	4	information	information	PROPN
fcis-7516	152	5	engineering	engineering	PROPN
fcis-7516	152	6	university	university	NOUN
fcis-7516	152	7	,	,	PUNCT
fcis-7516	152	8	2022.3	2022.3	NUM
fcis-7516	152	9	[	[	X
fcis-7516	152	10	10	10	NUM
fcis-7516	152	11	]	]	PUNCT
fcis-7516	152	12	gpp_lte	gpp_lte	PROPN
fcis-7516	152	13	international	international	ADJ
fcis-7516	152	14	encryption	encryption	NOUN
fcis-7516	152	15	standard	standard	NOUN
fcis-7516	152	16	zuc	zuc	PROPN
fcis-7516	152	17	algorithm_feng	algorithm_feng	PROPN
fcis-7516	152	18	xiutao	xiutao	PROPN
fcis-7516	153	1	[	[	X
fcis-7516	153	2	j	j	X
fcis-7516	153	3	]	]	X
fcis-7516	153	4	.	.	PUNCT
fcis-7516	154	1	[	[	X
fcis-7516	154	2	11	11	NUM
fcis-7516	154	3	]	]	PUNCT
fcis-7516	154	4	zuchongzhi	zuchongzhi	PROPN
fcis-7516	154	5	sequence	sequence	PROPN
fcis-7516	154	6	cipher	cipher	ADJ
fcis-7516	154	7	algorithm_feng	algorithm_feng	PROPN
fcis-7516	154	8	xiutao	xiutao	PROPN
fcis-7516	155	1	[	[	X
fcis-7516	155	2	j	j	X
fcis-7516	155	3	]	]	X
fcis-7516	155	4	..	..	PUNCT
fcis-7516	156	1	[	[	X
fcis-7516	156	2	12	12	NUM
fcis-7516	156	3	]	]	X
fcis-7516	156	4	a	a	DET
fcis-7516	156	5	method	method	NOUN
fcis-7516	156	6	for	for	ADP
fcis-7516	156	7	using	use	VERB
fcis-7516	156	8	diffie	diffie	PROPN
fcis-7516	156	9	-	-	PUNCT
fcis-7516	156	10	hellm	hellm	ADV
fcis-7516	156	11	...	...	PUNCT
fcis-7516	156	12	key	key	ADJ
fcis-7516	156	13	negotiation	negotiation	NOUN
fcis-7516	156	14	improved	improve	VERB
fcis-7516	156	15	kerberos	kerbero	NOUN
fcis-7516	156	16	protocol_chen	protocol_chen	PROPN
fcis-7516	156	17	feng	feng	PROPN
fcis-7516	157	1	[	[	X
fcis-7516	157	2	j	j	X
fcis-7516	157	3	]	]	X
fcis-7516	157	4	.	.	PUNCT