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Cryptographic Message Syntax (CMS) Algorithms (RFC3370)

IP.com Disclosure Number: IPCOM000009619D
Original Publication Date: 2002-Aug-01
Included in the Prior Art Database: 2002-Sep-05
Document File: 25 page(s) / 51K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Housley: AUTHOR

Abstract

This document describes the conventions for using several cryptographic algorithms with the Cryptographic Message Syntax (CMS). The CMS is used to digitally sign, digest, authenticate, or encrypt arbitrary message contents.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 6% of the total text.

Network Working Group� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � R. Housley

Request for Comments: 3370� � � � � � � � � � � � � � � � � � � � � � � � � � � � � RSA Laboratories

Obsoletes: 2630, 3211� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � August 2002

Category: Standards Track

� � � � � � � � � � � � Cryptographic Message Syntax (CMS) Algorithms

Status of this Memo

� � This document specifies an Internet standards track protocol for the

� � Internet community, and requests discussion and suggestions for

� � improvements.� Please refer to the current edition of the "Internet

� � Official Protocol Standards" (STD 1) for the standardization state

� � and status of this protocol.� Distribution of this memo is unlimited.

Copyright Notice

� � Copyright (C) The Internet Society (2002).� All Rights Reserved.

Abstract

� � This document describes the conventions for using several

� � cryptographic algorithms with the Cryptographic Message Syntax (CMS).

� � The CMS is used to digitally sign, digest, authenticate, or encrypt

� � arbitrary message contents.

Table of Contents

� � 1� � � � Introduction ...............................................� 2

� � 1.1� � Changes Since RFC 2630 .....................................� 2

� � 1.2� � Terminology ................................................� 2

� � 2� � � � Message Digest Algorithms ..................................� 3

� � 2.1� � SHA-1 ......................................................� 3

� � 2.2� � MD5 ........................................................� 3

� � 3� � � � Signature Algorithms .......................................� 4

� � 3.1� � DSA ........................................................� 4

� � 3.2� � RSA ........................................................� 5

� � 4� � � � Key Management Algorithms ..................................� 6

� � 4.1� � Key Agreement Algorithms ...................................� 6

� � 4.1.1 X9.42 Ephemeral-Static Diffie-Hellman ......................� 7

� � 4.1.2 X9.42 Static-Static Diffie-Hellman .........................� 8

� � 4.2� � Key Transport Algorithms ...................................� 9

� � 4.2.1 RSA (PKCS #1 v1.5) ......................................... 10

� � 4.3� � Symmetric Key-Encryption Key Algorithms .................... 10

� � 4.3.1 Triple-DES Key Wrap ........................................ 11

� � 4.3.2 RC2 Key Wrap ............................................... 12

� � 4.4� � Key Derivation Algorithms .................................. 12

Housley� � � � � � � � � � � � � � � � � � � � Standards Track� � � � � � � � � � � � � � � � � � � � [Page 1]

RFC 3370� � � � � � � � � � � � � � � � � � � � CMS Algorithms� � � � � � � � � � � � � � � � � August 2002

� � 4.4.1 PBKDF2 ..................................................... 13

� � 5� � � � Content Encryption Algorithms .............................. 13

� � 5.1� � Triple-DES CBC ........................