RFC 3560 (rfc3560) - Page 1 of 18

Use of the RSAES-OAEP Key Transport Algorithm in Cryptographic Message Syntax (CMS)

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Network Working Group                                         R. Housley
Request for Comments: 3560                                Vigil Security
Category: Standards Track                                      July 2003


            Use of the RSAES-OAEP Key Transport Algorithm in
                 the Cryptographic Message Syntax (CMS)

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 (2003).  All Rights Reserved.

Abstract

   This document describes the conventions for using the RSAES-OAEP key
   transport algorithm with the Cryptographic Message Syntax (CMS).  The
   CMS specifies the enveloped-data content type, which consists of an
   encrypted content and encrypted content-encryption keys for one or
   more recipients.  The RSAES-OAEP key transport algorithm can be used
   to encrypt content-encryption keys for intended recipients.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  2
   2.  Enveloped-data Conventions . . . . . . . . . . . . . . . . . .  3
       2.1.  EnvelopedData Fields . . . . . . . . . . . . . . . . . .  3
       2.2.  KeyTransRecipientInfo Fields . . . . . . . . . . . . . .  4
   3.  RSAES-OAEP Algorithm Identifiers and Parameters. . . . . . . .  4
   4.  Certificate Conventions. . . . . . . . . . . . . . . . . . . .  6
   5.  SMIMECapabilities Attribute Conventions. . . . . . . . . . . .  8
   6.  Security Considerations. . . . . . . . . . . . . . . . . . . .  9
   7.  IANA Considerations. . . . . . . . . . . . . . . . . . . . . . 11
   8.  Intellectual Property Rights Statement . . . . . . . . . . . . 11
   9.  Acknowledgments. . . . . . . . . . . . . . . . . . . . . . . . 11
   10. References . . . . . . . . . . . . . . . . . . . . . . . . . . 11
       10.1.  Normative References. . . . . . . . . . . . . . . . . . 11
       10.2.  Informative References. . . . . . . . . . . . . . . . . 12
   Appendix A. ASN.1 Module . . . . . . . . . . . . . . . . . . . . . 14
   Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 17
   Full Copyright Statement . . . . . . . . . . . . . . . . . . . . . 18



Housley                     Standards Track
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