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		Spec #	CR #	Revision #	CR Cat	Impacted Version	Target Release	Title	WG TDoc #	CR status at WG	WG meeting ref	WG Source information	TSG TDoc #	CR status at TSG	TSG meeting ref	TSG Source information	New Version	Work Items	Remarks


03.20	A025	-	F	8.2.0	R1999	Clarification on A5 algorithm support	S3-060378	agreed	SA3#43		SP-060374	approved	SA#32	S3	8.3.0	SEC4
03.20	A024	-	F	8.1.0	R1999	Recommendation not to support A5/2 in new terminals	S3-060146	agreed	SA3#42		SP-060046	approved	SA#31	S3	8.2.0	TEI
03.20	A023	-	A	8.0.0	R1999	GPRS Ciphering algorithm negotiation	S3-000252	agreed	SA3-#12		P-00-309	approved		SMG10
03.20	A022	-	A	7.2.0	R1998	GPRS Ciphering algorithm negotiation	S3-000252	agreed	SA3-#12		P-00-309	approved		SMG10
03.20	A021	-	A	8.0.0	R1999	GPRS encryption					P-00-126	postponed		SMG10
03.20	A020	-	A	7.2.0	R1998	GPRS encryption					P-00-126	postponed		SMG10
03.20	A019	-	F	6.1.0	R1997	GPRS encryption					P-00-126	postponed		SMG10
03.20	A018	-	F	7.1.0	R1998	Clarification on security triplet re-use conditions	AP99-112				P-99-743	approved		SMG10	7.2.0
03.20	A017	-	B		R1999	Introduction of EDGE variant of A5 algorithm	AP99-100				P-99-743	approved		SMG10	8.0.0	EDGE
03.20	A016	4	F	7.0.0	R1998	Correction of the handling of the Ciphering Key Sequence Number (CKSN)	N1-99354		CN1#3-(+SMG3 WPA)		P-99-456	approved		SMG3	7.1.0	GPRS
03.20	A015	-	F	5.2.1	R1996	Clarification on security triplet re-use conditions	AP99-050	agreed			p-99-530	postponed		SMG10		TEI
03.20	A014	-	F	7.0.0	R1998	CTS Security functions in case of license exempt frequencies	AP99-030	agreed			p-99-530	approved		SMG10	7.1.0
03.20	A013	-	B	7.0.0	R1998	Introduction of CTS-FP authentication and signature generation by CTS-SN.	AP99-055	agreed			p-99-530	approved		SMG10	7.1.0
03.20	A012	-	A		R1997	Clarification on security triplet re-use conditions	AP99-051	agreed			p-99-530	postponed		SMG10		TEI
03.20	A011	4	F		R1997	Correction of the handling of the Ciphering Key Sequence Number (CKSN)	N1-99354		CN1#3-(+SMG3 WPA)		P-99-456	approved		SMG3	6.1.0	GPRS
03.20	A010	-	B		R1998	Proposed annex E on CTS security					P-99-117	approved		SMG10	7.0.0
03.20	A007	1	B		R1997	GPRS security	183/97	agreed			97-778	approved		SMG10		GPRS
03.20	A006	1	B		R1997	GPRS interaction with existing security mechanisms	182/97	agreed			97-778	approved		SMG10		GPRS
03.20	A004	1	A	5.0.0	R1996	Ciphering Algorithm(s) support (phase 2+)	97P131	agreed			181/97	approved		SMG3 SA	5.1.0
03.20	A003	3	F	4.3.2	Ph2	Ciphering Algorithm(s) support (phase 2)	97P131	agreed			181/97	approved		SMG3 SA	4.4.0
03.20	A002	4	B		R1996	03.20-A002r4 on Definition of ciphering for HSCSD	97P043	agreed			132/97	approved		SMG3 WPA	5.1.0	HSCSD
03.20	A002	2	B		R1996	Definition of ciphering for HSCSD	96P134	agreed				approved		SMG3 WPA	5.1.0	HSCSD
03.20	A001	-	D		Ph2	Length of ciphering key Kc for signalling and testing purposes					157/96	approved		SG chairman/PT12	4.3.2
03.20	0029	-	F	8.5.0	R1999	Recommendation to support A5/3 and explicit prohibition of non-standard A5 algorithms in MS	S3-070887	agreed	SA3#49		SP-070784	approved	SA#38	S3	8.6.0	SEC4
03.20	0028	2	F	8.4.1	R1999	Prohibiting A5/2 in mobile stations and other clarifications regarding A5 algorithm support				Vodafone	SP-070671	approved	SA#37	SP	8.5.0	SEC4
03.20	0028	1	F	8.4.1	R1999	Prohibiting A5/2 in mobile stations and other clarifications regarding A5 algorithm support	S3-070646	agreed	SA3#48	Vodafone	SP-070593	revised	SA#37	S3		SEC4
03.20	0028	-	F	8.4.1	R1999	Prohibiting A5/2 in mobile stations and other clarifications regarding A5 algorithm support	S3-070569	revised	SA3#48	Vodafone						SEC4
03.20	0027	-	F	8.3.0	R1999	Correction of implmentation error of A025					SP-060907	approved	SA#34	MCC	8.4.0	SEC4
03.20	0026	-	F	8.3.0	R1999	A5/2 removal from new MS	S3-060790	agreed	SA3#45		SP-060793	rejected	SA#34	Vodafone		SEC4
03.20	0025	-	F		Ph2	Support of encryption algorithms	---	agreed			328/94	approved		PT12/SMG	4.3.0
03.20	0024	1	F		Ph2	Error Correction and Clarifications	274/94	agreed			215/94	approved		Alcatel SEL	4.3.0
03.20	0024	-	F		Ph2	Error Correction and Clarifications	256/94	revised						Alcatel SEL
03.20	0023	-	F		Ph2	Editorial improvement	663/93	withdrawn						Alcatel SEL
03.20	0022	-	D		Ph2	Support of multiple ciphering algorithms	231/93	agreed			453/93	approved		Vodafone
03.20	0021	-	C		Ph2	Different A5 Algorithms	198/93	postponed						France Telecom
03.20	0020	4	C		Ph2	Purging of the MS in the HLR	929/92	postponed						Vodafone/Alcatel SEL
03.20	0020	3	C		Ph2	Purging of the MS in the HLR	751/92	revised						Vodafone/Alcatel SEL
03.20	0020	2	C		Ph2	Purging of the MS in the HLR		revised						Vodafone/Alcatel SEL
03.20	0019	-	F		Ph2	-
03.20	0018	-	D		Ph2	Editorial Changes agreed on SMG3/WPC ad hoc Meeting in 1992	766/92	postponed						Alcatel SEL
03.20	0017	2	C		Ph2	Support of multiple ciphering algorithms					157/93	approved		PT12
03.20	0017	1	C		Ph2	Support of multiple ciphering algorithms	702/92	agreed			112/93	revised		Vodafone
03.20	0017	-	D		Ph2	Support of multiple ciphering algorithms		revised						Vodafone
03.20	0016	-	D		Ph2	Editorial updating (Working version 4)	--					approved		PT12
03.20	0015	2	C		Ph2	Support of Multiple Ciphering and Authentification Algorithms	662/92	agreed			451/92	approved
03.20	0015	1	C		Ph2	Support of Multiple Ciphering and Authentification Algorithms	616/92	revised
03.20	0015	-	C		Ph2	Negotiation of A5 algorithm	437/92	agreed			342/92	approved		SMG3
03.20	0014	-	B		Ph2	Handling of TMSI reallocation failure	436/92	agreed			342/92	approved		SMG3
03.20	0013	2	B		Ph2	Reuse of Authentification Triplets					385/92	approved
03.20	0013	1	B		Ph2	Reuse of Authentication Triplets	366/92	agreed			342/92	revised		Vodafone
03.20	0013	-	B		Ph2	Reuse of Authentication Triplets	263/92	revised						VODAFONE
03.20	0011	2	B		Ph2	Transport of Ki to HLR and VLR	262/92	agreed			342/92	approved		VODAFONE
03.20	0011	-	B	3.3.2	Ph1	Transport of Ki to HLR and VLR								VODAFONE
03.20	0010	2	E		Ph1	Format of COUNT parameter	520/90	agreed			45/91	approved		GSM3
03.20	0009	1	E		Ph1	Clarification of COUNT parameter					329/90r1	withdrawn		PT12
03.20	0008	-	A		Ph1	Length of the Authentication parameter RAND	16/90	agreed			7/90	approved		GSM3
03.20	0007	-	A		Ph1	Maximum length of the security keys Ki and Kc	16/90	agreed			7/90	approved		GSM3
03.20	0006	-	D		Ph1	Identifying method						approved		Editor
03.20	0005	-	D		Ph1	Authentication procedure						approved		Editor
03.20	0004	-	D		Ph1	Ciphering key sequence number						approved		Editor
03.20	0003	-	D		Ph1	storage of Kc in the SIM						approved		Editor
03.20	0002	-	D		Ph1	removing reference to Rec. GSM 03.21						approved		Editor
03.20	0001	-	D		Ph1	Key Kc at Handover						approved		Editor