< draft-turner-md5-seccon-update-04.txt		draft-turner-md5-seccon-update-05.txt >
	Network Working Group S. Turner		Network Working Group S. Turner
	Internet Draft IECA		Internet Draft IECA
	Updates: 1321, 2104 (once approved) L. Chen		Updates: 1321, 2104 (once approved) L. Chen
	Intended Status: Informational NIST		Intended Status: Informational NIST
	Expires: April 12, 2011 October 12, 2010		Expires: April 20, 2011 October 20, 2010
	Updated Security Considerations for the		Updated Security Considerations for the
	MD5 Message-Digest and the HMAC-MD5 Algorithms		MD5 Message-Digest and the HMAC-MD5 Algorithms
	draft-turner-md5-seccon-update-04.txt		draft-turner-md5-seccon-update-05.txt
	Abstract		Abstract
	This document updates the security considerations for the MD5 message		This document updates the security considerations for the MD5 message
	digest algorithm. It also updates the security considerations for		digest algorithm. It also updates the security considerations for
	HMAC-MD5.		HMAC-MD5.
	Status of this Memo		Status of this Memo
	This Internet-Draft is submitted in full conformance with the		This Internet-Draft is submitted in full conformance with the
	skipping to change at page 1, line 41 ¶		skipping to change at page 1, line 41 ¶
	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 April 12, 2011.		This Internet-Draft will expire on April 20, 2011.
	Copyright Notice		Copyright Notice
	Copyright (c) 2010 IETF Trust and the persons identified as the		Copyright (c) 2010 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		Provisions Relating to IETF Documents
	(http://trustee.ietf.org/license-info) in effect on the date of		(http://trustee.ietf.org/license-info) in effect on the date of
	publication of this document. Please review these documents		publication of this document. Please review these documents
	skipping to change at page 4, line 28 ¶		skipping to change at page 4, line 28 ¶
	Therefore, it may not be urgent to remove HMAC-MD5 from the existing		Therefore, it may not be urgent to remove HMAC-MD5 from the existing
	protocols. However, since MD5 must not be used for digital		protocols. However, since MD5 must not be used for digital
	signatures, for a new protocol design, a ciphersuite with HMAC-MD5		signatures, for a new protocol design, a ciphersuite with HMAC-MD5
	should not be included. Options include HMAC-SHA256 [HMAC][HMAC-		should not be included. Options include HMAC-SHA256 [HMAC][HMAC-
	SHA256] and [AES-CMAC] when AES is more readily available than a hash		SHA256] and [AES-CMAC] when AES is more readily available than a hash
	function.		function.
	3. IANA Considerations		3. IANA Considerations
	None.		IANA is requested to update the md5 usage entry in the Hash Function
			Textual Names registry by replacing "COMMON" with "DEPRECATED".
	4. Acknowledgements		4. Acknowledgements
	Obviously, we have to thank all the cryptographers who produced the		Obviously, we have to thank all the cryptographers who produced the
	results we refer to in this document. We'd also like to thank Alfred		results we refer to in this document. We'd also like to thank Alfred
	Hoenes, Martin Rex, and Benne de Weger for their comments.		Hoenes, Martin Rex, and Benne de Weger for their comments.
	5. Normative References		5. Normative References
	[AES-CMAC] Song, J., Poovendran, R., Lee., J., and T. Iwata,		[AES-CMAC] Song, J., Poovendran, R., Lee., J., and T. Iwata,
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