< draft-ietf-jose-json-web-encryption-38.txt		draft-ietf-jose-json-web-encryption-39.txt >
	JOSE Working Group M. Jones		JOSE Working Group M. Jones
	Internet-Draft Microsoft		Internet-Draft Microsoft
	Intended status: Standards Track J. Hildebrand		Intended status: Standards Track J. Hildebrand
	Expires: June 12, 2015 Cisco		Expires: July 3, 2015 Cisco
	December 9, 2014		December 30, 2014
	JSON Web Encryption (JWE)		JSON Web Encryption (JWE)
	draft-ietf-jose-json-web-encryption-38		draft-ietf-jose-json-web-encryption-39
	Abstract		Abstract
	JSON Web Encryption (JWE) represents encrypted content using		JSON Web Encryption (JWE) represents encrypted content using
	JavaScript Object Notation (JSON) based data structures.		JavaScript Object Notation (JSON) based data structures.
	Cryptographic algorithms and identifiers for use with this		Cryptographic algorithms and identifiers for use with this
	specification are described in the separate JSON Web Algorithms (JWA)		specification are described in the separate JSON Web Algorithms (JWA)
	specification and IANA registries defined by that specification.		specification and IANA registries defined by that specification.
	Related digital signature and MAC capabilities are described in the		Related digital signature and MAC capabilities are described in the
	separate JSON Web Signature (JWS) specification.		separate JSON Web Signature (JWS) specification.
	skipping to change at page 1, line 37 ¶		skipping to change at page 1, line 37 ¶
	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 12, 2015.		This Internet-Draft will expire on July 3, 2015.
	Copyright Notice		Copyright Notice
	Copyright (c) 2014 IETF Trust and the persons identified as the		Copyright (c) 2014 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 16 ¶		skipping to change at page 4, line 16 ¶
	Appendix B. Example AES_128_CBC_HMAC_SHA_256 Computation . . . . 45		Appendix B. Example AES_128_CBC_HMAC_SHA_256 Computation . . . . 45
	B.1. Extract MAC_KEY and ENC_KEY from Key . . . . . . . . . . . 45		B.1. Extract MAC_KEY and ENC_KEY from Key . . . . . . . . . . . 45
	B.2. Encrypt Plaintext to Create Ciphertext . . . . . . . . . . 46		B.2. Encrypt Plaintext to Create Ciphertext . . . . . . . . . . 46
	B.3. 64 Bit Big Endian Representation of AAD Length . . . . . . 46		B.3. 64 Bit Big Endian Representation of AAD Length . . . . . . 46
	B.4. Initialization Vector Value . . . . . . . . . . . . . . . 47		B.4. Initialization Vector Value . . . . . . . . . . . . . . . 47
	B.5. Create Input to HMAC Computation . . . . . . . . . . . . . 47		B.5. Create Input to HMAC Computation . . . . . . . . . . . . . 47
	B.6. Compute HMAC Value . . . . . . . . . . . . . . . . . . . . 47		B.6. Compute HMAC Value . . . . . . . . . . . . . . . . . . . . 47
	B.7. Truncate HMAC Value to Create Authentication Tag . . . . . 47		B.7. Truncate HMAC Value to Create Authentication Tag . . . . . 47
	Appendix C. Acknowledgements . . . . . . . . . . . . . . . . . . 47		Appendix C. Acknowledgements . . . . . . . . . . . . . . . . . . 47
	Appendix D. Document History . . . . . . . . . . . . . . . . . . 48		Appendix D. Document History . . . . . . . . . . . . . . . . . . 48
	Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 59		Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 60
	1. Introduction		1. Introduction
	JSON Web Encryption (JWE) represents encrypted content using		JSON Web Encryption (JWE) represents encrypted content using
	JavaScript Object Notation (JSON) [RFC7159] based data structures.		JavaScript Object Notation (JSON) [RFC7159] based data structures.
	The JWE cryptographic mechanisms encrypt and provide integrity		The JWE cryptographic mechanisms encrypt and provide integrity
	protection for an arbitrary sequence of octets.		protection for an arbitrary sequence of octets.
	Two closely related serializations for JWEs are defined. The JWE		Two closely related serializations for JWEs are defined. The JWE
	Compact Serialization is a compact, URL-safe representation intended		Compact Serialization is a compact, URL-safe representation intended
	skipping to change at page 48, line 34 ¶		skipping to change at page 48, line 34 ¶
	Sakimura, Jim Schaad, Hannes Tschofenig, and Sean Turner.		Sakimura, Jim Schaad, Hannes Tschofenig, and Sean Turner.
	Jim Schaad and Karen O'Donoghue chaired the JOSE working group and		Jim Schaad and Karen O'Donoghue chaired the JOSE working group and
	Sean Turner, Stephen Farrell, and Kathleen Moriarty served as		Sean Turner, Stephen Farrell, and Kathleen Moriarty served as
	Security area directors during the creation of this specification.		Security area directors during the creation of this specification.
	Appendix D. Document History		Appendix D. Document History
	[[ to be removed by the RFC Editor before publication as an RFC ]]		[[ to be removed by the RFC Editor before publication as an RFC ]]
			-39
			o No changes were made, other than to the version number and date.
	-38		-38
	o Replaced uses of the phrases "JWS object" and "JWE object" with		o Replaced uses of the phrases "JWS object" and "JWE object" with
	"JWS" and "JWE".		"JWS" and "JWE".
	o Added member names to the JWE JSON Serialization Overview.		o Added member names to the JWE JSON Serialization Overview.
	o Applied other minor editorial improvements.		o Applied other minor editorial improvements.
	-37		-37
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	5 lines changed or deleted		9 lines changed or added
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