< draft-kanno-tls-camellia-ecc-sha-00.txt		draft-kanno-tls-camellia-ecc-sha-01.txt >
	Network Working Group S. Kanno		Network Working Group S. Kanno
	Internet-Draft NTT Software Corporation		Internet-Draft NTT Software Corporation
	Intended status: Informational M. Kanda		Intended status: Informational M. Kanda
	Expires: October 7, 2009 Nippon Telegraph and Telephone		Expires: July 31, 2010 NTT
	Corporation		January 27, 2010
	April 5, 2009
	Addition of Camellia Elliptic Curve Cipher Suites with SHA-1 and SHA-2		Addition of Camellia Elliptic Curve Cipher Suites with SHA-1 and SHA-2
	draft-kanno-tls-camellia-ecc-sha-00		draft-kanno-tls-camellia-ecc-sha-01
			Abstract
			This document specifies a set of elliptic curve cipher suites for the
			Transport Security Layer (TLS) protocol to support the Camellia
			encryption algorithm as a block cipher. This document describes
			sixteen new cipher suites for TLS that specify HMAC-SHA1 and HMAC-
			SHA2.
	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		Task Force (IETF), its areas, and its working groups. Note that
	other groups may also distribute working documents as Internet-		other groups may also distribute working documents as Internet-
	Drafts.		Drafts.
	skipping to change at page 1, line 34 ¶		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 October 7, 2009.		This Internet-Draft will expire on July 31, 2010.
	Copyright Notice		Copyright Notice
	Copyright (c) 2009 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 in effect on the date of		Provisions Relating to IETF Documents
	publication of this document (http://trustee.ietf.org/license-info).		(http://trustee.ietf.org/license-info) in effect on the date of
	Please review these documents carefully, as they describe your rights		publication of this document. Please review these documents
	and restrictions with respect to this document.		carefully, as they describe your rights and restrictions with respect
			to this document. Code Components extracted from this document must
	Abstract		include Simplified BSD License text as described in Section 4.e of
			the Trust Legal Provisions and are provided without warranty as
	This document specifies a set of elliptic curve cipher suites for the		described in the BSD License.
	Transport Security Layer (TLS) protocol to support the Camellia
	encryption algorithm as a block cipher. This document describes
	sixteen new cipher suites for TLS that specify HMAC-SHA1 and HMAC-
	SHA2.
	1. Introduction		1. Introduction
	This document specifies a set of elliptic curve cipher suites for the		This document specifies a set of elliptic curve cipher suites for the
	Transport Security Layer (TLS) protocol to support the Camellia		Transport Security Layer (TLS) protocol to support the Camellia
	encryption algorithm as a block cipher. This document describes		encryption algorithm as a block cipher. This document describes
	sixteen new cipher suites for TLS that specify HMAC-SHA1 and HMAC-		sixteen new cipher suites for TLS that specify HMAC-SHA1 and HMAC-
	SHA2.		SHA2.
	The algorithm specification and object identifiers are described in		The Camellia algorithm and its properties are described in [RFC3713].
	[RFC3713].
	1.1. Terminology		1.1. Terminology
	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",		The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
	"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this		"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
	document are to be interpreted as described in [RFC2119].		document are to be interpreted as described in [RFC2119].
	2. Cipher Suites		2. Cipher Suites
	This document defines sixteen new cipher suites to be added to TLS.		This document defines sixteen new cipher suites to be added to TLS.
	skipping to change at page 3, line 48 ¶		skipping to change at page 3, line 48 ¶
	CipherSuite TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};		CipherSuite TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};
	CipherSuite TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 = {TBD,TBD};		CipherSuite TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 = {TBD,TBD};
	CipherSuite TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};		CipherSuite TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};
	CipherSuite TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = {TBD,TBD};		CipherSuite TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = {TBD,TBD};
	CipherSuite TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};		CipherSuite TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};
	CipherSuite TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 = {TBD,TBD};		CipherSuite TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 = {TBD,TBD};
	CipherSuite TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};		CipherSuite TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 = {TBD,TBD};
	4. Security Considerations		4. Security Considerations
	At the time of writing this document, there are no known weak keys		At the time of writing of this document there are no known weak keys
	for Camellia.		for Camellia and no security problems have been found with Camellia
			(see [NESSIE], [CRYPTREC], and [Research]).
	The security considerations in RFC 5289 [RFC5289] apply to this		The security considerations in RFC 5289 [RFC5289] apply to this
	document as well.		document as well.
	5. Normative References		5. References
			5.1. Normative References
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119, March 1997.		Requirement Levels", BCP 14, RFC 2119, March 1997.
	[RFC3713] Matsui, M., Nakajima, J., and S. Moriai, "A Description of		[RFC3713] Matsui, M., Nakajima, J., and S. Moriai, "A Description of
	the Camellia Encryption Algorithm", RFC 3713, April 2004.		the Camellia Encryption Algorithm", RFC 3713, April 2004.
	[RFC4492] Blake-Wilson, S., Bolyard, N., Gupta, V., Hawk, C., and B.		[RFC4492] Blake-Wilson, S., Bolyard, N., Gupta, V., Hawk, C., and B.
	Moeller, "Elliptic Curve Cryptography (ECC) Cipher Suites		Moeller, "Elliptic Curve Cryptography (ECC) Cipher Suites
	for Transport Layer Security (TLS)", RFC 4492, May 2006.		for Transport Layer Security (TLS)", RFC 4492, May 2006.
	[RFC5289] Rescorla, E., "TLS Elliptic Curve Cipher Suites with SHA-		[RFC5289] Rescorla, E., "TLS Elliptic Curve Cipher Suites with SHA-
	256/384 and AES Galois Counter Mode (GCM)", RFC 5289,		256/384 and AES Galois Counter Mode (GCM)", RFC 5289,
	August 2008.		August 2008.
			5.2. Informative
			[CRYPTREC]
			Information-technology Promotion Agency (IPA),
			"Cryptography Research and Evaluation Committees",
			<http://www.ipa.go.jp/security/enc/CRYPTREC/index-e.html>.
			[NESSIE] "The NESSIE project (New European Schemes for Signatures,
			Integrity and Encryption)",
			<http://www.cosic.esat.kuleuven.ac.be/nessie/>.
			[Research]
			Mala, H., Shakiba, M., and M. Dakhil-alian, "New Results
			on Impossible Differential Cryptanalysis of Reduced Round
			Camellia-128", November 2009,
			<http://www.springerlink.com/content/e55783u422436g77/>.
	Authors' Addresses		Authors' Addresses
	Satoru Kanno		Satoru Kanno
	NTT Software Corporation		NTT Software Corporation
	Phone: +81-45-212-7577		Phone: +81-45-212-9803
	Fax: +81-45-212-9800		Fax: +81-45-212-9800
	Email: kanno-s@po.ntts.co.jp		Email: kanno.satoru@po.ntts.co.jp
	Masayuki Kanda		Masayuki Kanda
	Nippon Telegraph and Telephone Corporation		NTT
	Phone: +81-422-59-3456		Phone: +81-422-59-3456
	Fax: +81-422-59-4015		Fax: +81-422-59-4015
	Email: kanda.masayuki@lab.ntt.co.jp		Email: kanda.masayuki@lab.ntt.co.jp
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