< draft-seokung-msec-mikey-seed-04.txt		draft-seokung-msec-mikey-seed-05.txt >
	MSEC Working Group S. Yoon		MSEC Working Group S. Yoon
	Internet Draft J. Jeong		Internet Draft J. Jeong
	Intended Status: Informational H. Kim		Intended Status: Informational H. Kim
	Expires: March 29, 2010 H. Jeong		Expires: May 23, 2010 H. Jeong
	Y. Won		Y. Won
	Korea Internet & Security Agency		Korea Internet & Security Agency
	September 29, 2009		November 23, 2009
	IANA Registry Update for the SEED Cipher Algorithm Support in the		IANA Registry Update for Support of the SEED Cipher Algorithm in the
	Multimedia Internet KEYing (MIKEY)		Multimedia Internet KEYing (MIKEY)
	draft-seokung-msec-mikey-seed-04		draft-seokung-msec-mikey-seed-05
	Status of this Memo		Status of this Memo
	This Internet-Draft is submitted to IETF in full conformance with the		This Internet-Draft is submitted to IETF in full conformance with the
	provisions of BCP 78 and BCP 79.		provisions of BCP 78 and BCP 79.
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF), its areas, and its working groups. Note that other		Task Force (IETF), its areas, and its working groups. Note that other
	groups may also distribute working documents as Internet-Drafts.		groups may also distribute working documents as Internet-Drafts.
	skipping to change at page 1, line 34 ¶		skipping to change at page 1, line 34 ¶
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	The list of current Internet-Drafts can be accessed at		The list of current Internet-Drafts can be accessed at
	http://www.ietf.org/ietf/1id-abstracts.txt.		http://www.ietf.org/ietf/1id-abstracts.txt.
	The list of Internet-Draft Shadow Directories can be accessed at		The list of Internet-Draft Shadow Directories can be accessed at
	http://www.ietf.org/shadow.html.		http://www.ietf.org/shadow.html.
	This Internet-Draft will expire on March 29, 2010.		This Internet-Draft will expire on May 23, 2010.
	Copyright Notice		Copyright Notice
	Copyright (c) 2009 IETF Trust and the persons identified as the		Copyright (c) 2009 IETF Trust and the persons identified as the
	document authors. All rights reserved.		document authors. All rights reserved.
	This document is subject to BCP 78 and the IETF Trust's Legal		This document is subject to BCP 78 and the IETF Trust's Legal
	Provisions Relating to IETF Documents in effect on the date of		Provisions Relating to IETF Documents in effect on the date of
	publication of this document (http://trustee.ietf.org/license-info).		publication of this document (http://trustee.ietf.org/license-info).
	Please review these documents carefully, as they describe your rights		Please review these documents carefully, as they describe your rights
	skipping to change at page 2, line 16 ¶		skipping to change at page 2, line 16 ¶
	This document updates IANA registries to support the SEED block		This document updates IANA registries to support the SEED block
	cipher algorithm for the Secure Real-time Transport Protocol (SRTP)		cipher algorithm for the Secure Real-time Transport Protocol (SRTP)
	and the secure Real-time Transport Control Protocol (SRTCP) in		and the secure Real-time Transport Control Protocol (SRTCP) in
	Multimedia Internet KEYing (MIKEY).		Multimedia Internet KEYing (MIKEY).
	Table of Contents		Table of Contents
	1. Introduction..................................................3		1. Introduction..................................................3
	1.1. SEED.....................................................3		1.1. SEED.....................................................3
	2. Additions to [RFC3830] payload................................3		2. Additions to MIKEY payload....................................3
	2.1. Modified Table 6.10.1.b from [RFC3830]...................3		2.1. Modified Table 6.10.1.b from RFC3830.....................3
	2.2. Modified Table 6.10.1.d from [RFC3830]...................4		2.2. Modified Table 6.10.1.d from RFC3830.....................4
	3. Security Considerations.......................................4		3. Security Considerations.......................................4
	4. IANA Considerations...........................................4		4. IANA Considerations...........................................4
	5. References....................................................5		5. Acknowledgements..............................................4
	5.1. Normative References.....................................5		6. References....................................................5
	5.2. Informative References...................................5		6.1. Normative References.....................................5
			6.2. Informative References...................................5
	Author's Addresses...............................................6		Author's Addresses...............................................6
	1. Introduction		1. Introduction
	This document updates IANA registries to support the SEED [RFC4269]		This document updates IANA registries to support the SEED [RFC4269]
	block cipher algorithm for the Secure Real-time Transport Protocol		block cipher algorithm for the Secure Real-time Transport Protocol
	(SRTP) and the Secure Real-time Transport Control Protocol (SRTCP)		(SRTP) and the Secure Real-time Transport Control Protocol (SRTCP)
	[RFC3711] in Multimedia Internet KEYing (MIKEY) [RFC3830].		[RFC3711] in Multimedia Internet KEYing (MIKEY) [RFC3830].
	1.1. SEED		1.1. SEED
	SEED is a 128-bit symmetric key block cipher that has been developed		SEED is a 128-bit symmetric key block cipher that has been developed
	by KISA (Korea Information Security Agency) and a group of experts		by KISA (Korea Information Security Agency) and a group of experts
	since 1998. The input/output block size of SEED is 128-bit and the		since 1998. The input/output block size of SEED is 128-bit and the
	key length is also 128-bit. SEED has a 16-round Feistel structure.		key length is also 128-bit. SEED has a 16-round Feistel structure.
	SEED is a Korean National Industrial Association standard and is		SEED is a Korean National Industrial Association standard and is
	widely used in South Korea for electronic commerce and various		widely used in South Korea for electronic commerce and various
	security products such as firewall, VPN, and so on.		security products such as firewall, VPN, and so on.
	2. Additions to [RFC3830] payload		2. Additions to MIKEY payload
	This section specifies the new values to use the SEED cipher		This section specifies new code points for the MIKEY [RFC3830]
	algorithm for SRTP and SRTCP. We define three modes of running SEED,		payload to indicate the use of the SEED cipher algorithm for SRTP and
	SEED in Counter Mode (SEED-CTR), SEED in Counter with CBC-MAC Mode		SRTCP. There are three applicable modes of running SEED, SEED in
	(SEED-CCM) and SEED in Galois/Counter Mode (SEED-GCM) Mode. These are		Counter Mode (SEED-CTR), SEED in Counter with CBC-MAC Mode (SEED-CCM)
	defined in [I-D.ietf-avt-seed-srtp].		and SEED in Galois/Counter Mode (SEED-GCM) Mode. These are defined in
			[I-D.ietf-avt-seed-srtp].
	2.1. Modified Table 6.10.1.b from [RFC3830]		2.1. Modified Table 6.10.1.b from RFC3830
	Modified Table 6.10.1.b from [RFC3830] :		IANA is asked to amend the sub-registry derived from Table 6.10.1.b
			of [RFC3830] as follows:
	SRTP encr alg | Value		SRTP encr alg | Value
	---------------------		---------------------
	NULL | 0		NULL | 0
	AES-CM | 1		AES-CM | 1
	AES-F8 | 2		AES-F8 | 2
	SEED-CTR | 3 (NEW)		SEED-CTR | 3 (NEW)
	SEED-CCM | 4 (NEW)		SEED-CCM | 4 (NEW)
	SEED-GCM | 5 (NEW)		SEED-GCM | 5 (NEW)
	Figure 1: Table 6.10.1.b from [RFC3830] (Revised)		Figure 1: Table 6.10.1.b from [RFC3830] (Revised)
	2.2. Modified Table 6.10.1.d from [RFC3830]		2.2. Modified Table 6.10.1.d from RFC3830
	Modified Table 6.10.1.d from [RFC3830] :		IANA is asked to amend the sub-registry derived from Table 6.10.1.d
			of [RFC3830] as follows:
	SRTP PRF | Value		SRTP PRF | Value
	---------------------		---------------------
	AES-CM | 0		AES-CM | 0
	SEED-CTR | 1 (NEW)		SEED-CTR | 1 (NEW)
	Figure 2: Table 6.10.1.d from [RFC3830] (Revised)		Figure 2: Table 6.10.1.d from [RFC3830] (Revised)
	3. Security Considerations		3. Security Considerations
	No security problem has been found on SEED. SEED is secure against		No security problem has been found on SEED. SEED is secure against
	all known attacks including Differential cryptanalysis, linear		all known attacks including Differential cryptanalysis, linear
	cryptanalysis, and related key attacks. The only known attack is an		cryptanalysis, and related key attacks. The only known attack is an
	exhaustive search for the key. For further security considerations,		exhaustive search for the key. For further security considerations,
	the reader is encouraged to read [SEED-EVAL].		the reader is encouraged to read [SEED-EVAL].
	4. IANA Considerations		4. IANA Considerations
	In order to align Figure 1 with Table 6.10.1.b in [RFC3830] and		With the adoption of this document for publication IANA has amended
	Figure 2 with Table 6.10.1.d in [RFC3830], IANA is requested to add		the indicated sub-registries in Section 2 of the MIKEY [RFC3830]
	the values described in Section 2 to their [RFC3830] Payload Name		Payload Name registry according to Section 2.1 and 2.2 above.
	Space.
	5. References		5. Acknowledgements
	5.1. Normative References		The authors would like to thank David McGrew, Spencer Dawkins,
			SangHwan Park, Brian Weis, and Tim Polk for their reviews and support.
			6. References
			6.1. Normative References
	[I-D.ietf-avt-seed-srtp]		[I-D.ietf-avt-seed-srtp]
	S. Yoon, J. Kim, H. Park, H. Jeong, Y. Won, "The SEED		S. Yoon, J. Kim, H. Park, H. Jeong, Y. Won, "The SEED
	Cipher Algorithm and Its Use with the Secure Real-time		Cipher Algorithm and Its Use with the Secure Real-time
	Transport Protocol (SRTP)", draft-ietf-avt-seed-srtp-14		Transport Protocol (SRTP)", draft-ietf-avt-seed-srtp-14
	(work in progress), June 2009.		(work in progress), June 2009.
	[RFC3711] M. Baugher, D. McGrew, M. Naslund, E.Carrara, K. Norrman,		[RFC3711] M. Baugher, D. McGrew, M. Naslund, E.Carrara, K. Norrman,
	"The Secure Real-time Transport Protocol (SRTP)",		"The Secure Real-time Transport Protocol (SRTP)",
	RFC 3711, March 2004.		RFC 3711, March 2004.
	[RFC3830] Arkko, J., Carrara, E., Lindholm, F., Naslund, M., and K.		[RFC3830] Arkko, J., Carrara, E., Lindholm, F., Naslund, M., and K.
	Norrman, "MIKEY: Multimedia Internet KEYing", RFC 3830,		Norrman, "MIKEY: Multimedia Internet KEYing", RFC 3830,
	August 2004.		August 2004.
	[RFC4269] H. Lee, S. Lee, J. Yoon, D. Cheon, J. Lee, "The SEED		[RFC4269] H. Lee, S. Lee, J. Yoon, D. Cheon, J. Lee, "The SEED
	Encryption Algorithm", RFC 4269, December 2005.		Encryption Algorithm", RFC 4269, December 2005.
	5.2. Informative References		6.2. Informative References
	[SEED-EVAL] KISA, "Self Evaluation Report",		[SEED-EVAL] KISA, "Self Evaluation Report",
	http://www.kisa.or.kr/kisa/seed/down/SEED_Evaluation_Repo		http://www.kisa.or.kr/kisa/seed/down/SEED_Evaluation_Repo
	rt_by_CRYPTREC.pdf		rt_by_CRYPTREC.pdf
	Author's Addresses		Author's Addresses
	Seokung Yoon		Seokung Yoon
	Korea Internet & Security Agency		Korea Internet & Security Agency
	IT Venture Tower, Jungdaero 135, Songpa-gu, Seoul, Korea 138-950		IT Venture Tower, Jungdaero 135, Songpa-gu, Seoul, Korea 138-950
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	28 lines changed or deleted		36 lines changed or added
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