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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 ........................