draft-ietf-opsawg-hmac-sha-2-usm-snmp-00.txt		draft-ietf-opsawg-hmac-sha-2-usm-snmp-01.txt
	OPSAWG J. Merkle, Ed.		OPSAWG J. Merkle, Ed.
	Internet-Draft Secunet Security Networks		Internet-Draft Secunet Security Networks
	Intended status: Informational M. Lochter		Intended status: Informational M. Lochter
	Expires: June 15, 2015 BSI		Expires: July 23, 2015 BSI
	December 12, 2014		January 19, 2015
	HMAC-SHA-2 Authentication Protocols in USM for SNMP		HMAC-SHA-2 Authentication Protocols in USM for SNMP
	draft-ietf-opsawg-hmac-sha-2-usm-snmp-00		draft-ietf-opsawg-hmac-sha-2-usm-snmp-01
	Abstract		Abstract
	This memo specifies new HMAC-SHA-2 authentication protocols for the		This memo specifies new HMAC-SHA-2 authentication protocols for the
	User-based Security Model (USM) for SNMPv3 defined in RFC 3414.		User-based Security Model (USM) for SNMPv3 defined in RFC 3414.
	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
	provisions of BCP 78 and BCP 79.		provisions of BCP 78 and BCP 79.
	skipping to change at page 1, line 32		skipping to change at page 1, line 32
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF). Note that other groups may also distribute		Task Force (IETF). Note that other groups may also distribute
	working documents as Internet-Drafts. The list of current Internet-		working documents as Internet-Drafts. The list of current Internet-
	Drafts is at http://datatracker.ietf.org/drafts/current/.		Drafts is at http://datatracker.ietf.org/drafts/current/.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	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."
	This Internet-Draft will expire on June 15, 2015.		This Internet-Draft will expire on July 23, 2015.
	Copyright Notice		Copyright Notice
	Copyright (c) 2014 IETF Trust and the persons identified as the		Copyright (c) 2015 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
	carefully, as they describe your rights and restrictions with respect		carefully, as they describe your rights and restrictions with respect
	to this document. Code Components extracted from this document must		to this document. Code Components extracted from this document must
	include Simplified BSD License text as described in Section 4.e of		include Simplified BSD License text as described in Section 4.e of
	the Trust Legal Provisions and are provided without warranty as		the Trust Legal Provisions and are provided without warranty as
	skipping to change at page 4, line 29		skipping to change at page 4, line 29
	the HMAC computation according to [RFC2104], as opposed to the MD5		the HMAC computation according to [RFC2104], as opposed to the MD5
	hash function [RFC1321] and SHA-1 hash function [SHA] used in		hash function [RFC1321] and SHA-1 hash function [SHA] used in
	HMAC-MD5-96 and HMAC-SHA-96, respectively. Consequently, the		HMAC-MD5-96 and HMAC-SHA-96, respectively. Consequently, the
	length of the message digest prior to truncation is 224 bits for		length of the message digest prior to truncation is 224 bits for
	SHA-224 based protocol, 256 bits for SHA-256 based protocol, 384		SHA-224 based protocol, 256 bits for SHA-256 based protocol, 384
	bits for SHA-384 based protocol, and 512 bits for SHA-512 based		bits for SHA-384 based protocol, and 512 bits for SHA-512 based
	protocol.		protocol.
	o The resulting message digest (output of HMAC) is truncated to		o The resulting message digest (output of HMAC) is truncated to
	* 16 octets for usm128HMACSHA224AuthProtocol		* 16 octets for usmHMAC128SHA224AuthProtocol
	* 24 octets for usm192HMACSHA256AuthProtocol		* 24 octets for usmHMAC192SHA256AuthProtocol
	* 32 octets for usm256HMACSHA384AuthProtocol		* 32 octets for usmHMAC256SHA384AuthProtocol
	* 48 octets for usm384HMACSHA512AuthProtocol		* 48 octets for usmHMAC384SHA512AuthProtocol
	as opposed to the truncation to 12 octets in HMAC-MD5-96 and HMAC-		as opposed to the truncation to 12 octets in HMAC-MD5-96 and HMAC-
	SHA-96.		SHA-96.
	o The user's secret key to be used when calculating a digest MUST		o The user's secret key to be used when calculating a digest MUST
	be:		be:
	* 28 octets long and derived with SHA-224 for the SHA-224 based		* 28 octets long and derived with SHA-224 for the SHA-224 based
	protocol usmHMAC128SHA224AuthProtocol		protocol usmHMAC128SHA224AuthProtocol
	skipping to change at page 7, line 40		skipping to change at page 7, line 40
	8. Definitions		8. Definitions
	SNMP-USM-HMAC-SHA2-MIB DEFINITIONS ::= BEGIN		SNMP-USM-HMAC-SHA2-MIB DEFINITIONS ::= BEGIN
	IMPORTS		IMPORTS
	MODULE-IDENTITY, OBJECT-IDENTITY,		MODULE-IDENTITY, OBJECT-IDENTITY,
	snmpModules FROM SNMPv2-SMI -- [RFC2578]		snmpModules FROM SNMPv2-SMI -- [RFC2578]
	snmpAuthProtocols FROM SNMP-FRAMEWORK-MIB; -- [RFC3411]		snmpAuthProtocols FROM SNMP-FRAMEWORK-MIB; -- [RFC3411]
	snmpUsmHmacSha2MIB MODULE-IDENTITY		snmpUsmHmacSha2MIB MODULE-IDENTITY
	LAST-UPDATED "201408280000Z" -- 28 August 2014, midnight		LAST-UPDATED "201501150000Z" -- 25 January 2015, midnight
	ORGANIZATION "SNMPv3 Working Group"		ORGANIZATION "SNMPv3 Working Group"
	CONTACT-INFO "WG email: OPSAWG@ietf.org		CONTACT-INFO "WG email: OPSAWG@ietf.org
	Subscribe: https://www.ietf.org/mailman/listinfo/opsawg		Subscribe: https://www.ietf.org/mailman/listinfo/opsawg
	Editor: Johannes Merkle		Editor: Johannes Merkle
	secunet Security Networks		secunet Security Networks
	postal: Mergenthaler Allee 77		postal: Mergenthaler Allee 77
	D-65760 Eschborn		D-65760 Eschborn
	Germany		Germany
	phone: +49 20154543091		phone: +49 20154543091
	email: johannes.merkle@secunet.com		email: johannes.merkle@secunet.com
	skipping to change at page 8, line 25		skipping to change at page 8, line 25
	Security Model.		Security Model.
	Copyright (C) The Internet Society (2004).		Copyright (C) The Internet Society (2004).
	This version of this MIB module is part of RFC TBD;		This version of this MIB module is part of RFC TBD;
	see the RFC itself for full legal notices.		see the RFC itself for full legal notices.
	Supplementary information may be available on		Supplementary information may be available on
	http://www.ietf.org/copyrights/ianamib.html."		http://www.ietf.org/copyrights/ianamib.html."
	-- RFC Ed.: replace TBD with actual RFC number & remove this line		-- RFC Ed.: replace TBD with actual RFC number & remove this line
	REVISION "201403060000Z"		REVISION "201501150000Z"
	DESCRIPTION "Initial version, published as RFC TBD"		DESCRIPTION "Initial version, published as RFC TBD"
	-- RFC Ed.: replace TBD with actual RFC number & remove this line		-- RFC Ed.: replace TBD with actual RFC number & remove this line
	::= { snmpModules nn } -- nn to be assigned by IANA		::= { snmpModules nn } -- nn to be assigned by IANA
	-- RFC Ed.: replace nn with actual number assigned by IANA & remove this line		-- RFC Ed.: replace nn with actual number assigned by IANA & remove this line
	usmHmac128Sha224Protocol OBJECT-IDENTITY		usmHMAC128SHA224Protocol OBJECT-IDENTITY
	STATUS current		STATUS current
	DESCRIPTION "The HMAC-SHA-224-128 Authentication Protocol.		DESCRIPTION "The Authentication Protocol usmHMAC128SHA224AuthProtocol.
	Uses HMAC-SHA-224 and truncates output to 128 bits."		Uses HMAC-SHA-224 and truncates output to 128 bits."
	REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:		REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:
	Keyed-Hashing for Message Authentication, RFC 2104.		Keyed-Hashing for Message Authentication, RFC 2104.
	- National Institute of Standards and Technology,		- National Institute of Standards and Technology,
	Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."		Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."
	::= { snmpAuthProtocols aa } -- aa to be assigned by IANA		::= { snmpAuthProtocols aa } -- aa to be assigned by IANA
	-- RFC Ed.: replace aa with actual number assigned by IANA & remove this line		-- RFC Ed.: replace aa with actual number assigned by IANA & remove this line
	usmHmac192Sha256Protocol OBJECT-IDENTITY		usmHMAC192SHA256Protocol OBJECT-IDENTITY
	STATUS current		STATUS current
	DESCRIPTION "The HMAC-SHA-256-192 Authentication Protocol.		DESCRIPTION "The Authentication Protocol usmHMAC192SHA256AuthProtocol.
	Uses HMAC-SHA-256 and truncates output to 192 bits."		Uses HMAC-SHA-256 and truncates output to 192 bits."
	REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:		REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:
	Keyed-Hashing for Message Authentication, RFC 2104.		Keyed-Hashing for Message Authentication, RFC 2104.
	- National Institute of Standards and Technology,		- National Institute of Standards and Technology,
	Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."		Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."
	::= { snmpAuthProtocols bb } -- bb to be assigned by IANA		::= { snmpAuthProtocols bb } -- bb to be assigned by IANA
	-- RFC Ed.: replace cc with actual number assigned by IANA & remove this line		-- RFC Ed.: replace cc with actual number assigned by IANA & remove this line
	usmHmac256Sha384Protocol OBJECT-IDENTITY		usmHMAC256SHA384Protocol OBJECT-IDENTITY
	STATUS current		STATUS current
	DESCRIPTION "The HMAC-SHA-384-256 Authentication Protocol.		DESCRIPTION "The Authentication Protocol usmHMAC256SHA384AuthProtocol.
	Uses HMAC-SHA-384 and truncates output to 256 bits."		Uses HMAC-SHA-384 and truncates output to 256 bits."
	REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:		REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:
	Keyed-Hashing for Message Authentication, RFC 2104.		Keyed-Hashing for Message Authentication, RFC 2104.
	- National Institute of Standards and Technology,		- National Institute of Standards and Technology,
	Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."		Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."
	::= { snmpAuthProtocols cc } -- cc to be assigned by IANA		::= { snmpAuthProtocols cc } -- cc to be assigned by IANA
	-- RFC Ed.: replace dd with actual number assigned by IANA & remove this line		-- RFC Ed.: replace dd with actual number assigned by IANA & remove this line
	usmHmac384Sha512Protocol OBJECT-IDENTITY		usmHMAC384SHA12Protocol OBJECT-IDENTITY
	STATUS current		STATUS current
	DESCRIPTION "The HMAC-SHA-512-384 Authentication Protocol.		DESCRIPTION "The Authentication Protocol usmHMAC384SHA512AuthProtocol.
	Uses HMAC-SHA-512 and truncates output to 384 bits."		Uses HMAC-SHA-512 and truncates output to 384 bits."
	REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:		REFERENCE "- Krawczyk, H., Bellare, M., and R. Canetti, HMAC:
	Keyed-Hashing for Message Authentication, RFC 2104.		Keyed-Hashing for Message Authentication, RFC 2104.
	- National Institute of Standards and Technology,		- National Institute of Standards and Technology,
	Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."		Secure Hash Standard (SHS), FIPS PUB 180-4, 2012."
	::= { snmpAuthProtocols dd } -- dd to be assigned by IANA		::= { snmpAuthProtocols dd } -- dd to be assigned by IANA
	-- RFC Ed.: replace ff with actual number assigned by IANA & remove this line		-- RFC Ed.: replace ff with actual number assigned by IANA & remove this line
	END		END
End of changes. 18 change blocks.
	19 lines changed or deleted		19 lines changed or added
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