Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)
RFC 6318
Document | Type |
RFC - Historic
(June 2011; No errata)
Obsoletes RFC 5008
Status changed by status-change-suiteb-to-historic
Was draft-housley-rfc5008bis (individual in sec area)
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Authors | Jerome Solinas , Russ Housley | ||
Last updated | 2018-08-01 | ||
Stream | IETF | ||
Formats | plain text html pdf htmlized bibtex | ||
Reviews | |||
Stream | WG state | (None) | |
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 6318 (Historic) | |
Consensus Boilerplate | Unknown | ||
Telechat date | |||
Responsible AD | Sean Turner | ||
IESG note | Russ Housley (housley@vigilsec.com) is the document shepherd. | ||
Send notices to | (None) |
Internet Engineering Task Force (IETF) R. Housley Request for Comments: 6318 Vigil Security Obsoletes: 5008 J. Solinas Category: Informational National Security Agency ISSN: 2070-1721 June 2011 Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME) Abstract This document specifies the conventions for using the United States National Security Agency's Suite B algorithms in Secure/Multipurpose Internet Mail Extensions (S/MIME) as specified in RFC 5751. This document obsoletes RFC 5008. Status of This Memo This document is not an Internet Standards Track specification; it is published for informational purposes. This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Not all documents approved by the IESG are a candidate for any level of Internet Standard; see Section 2 of RFC 5741. Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc6318. Housley & Solinas Informational [Page 1] RFC 6318 Suite B in S/MIME June 2011 Copyright Notice Copyright (c) 2011 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License. This document may contain material from IETF Documents or IETF Contributions published or made publicly available before November 10, 2008. The person(s) controlling the copyright in some of this material may not have granted the IETF Trust the right to allow modifications of such material outside the IETF Standards Process. Without obtaining an adequate license from the person(s) controlling the copyright in such materials, this document may not be modified outside the IETF Standards Process, and derivative works of it may not be created outside the IETF Standards Process, except to format it for publication as an RFC or to translate it into languages other than English. Table of Contents 1. Introduction ....................................................3 1.1. Terminology ................................................4 1.2. ASN.1 ......................................................4 1.3. Suite B Security Levels ....................................4 2. SHA-256 and SHA-384 Message Digest Algorithms ...................5 3. ECDSA Signature Algorithm .......................................6 4. Key Management ..................................................7 4.1. ECDH Key Agreement Algorithm ...............................7 4.2. AES Key Wrap ...............................................8 4.3. Key Derivation Functions ...................................9 5. AES CBC Content Encryption .....................................11 6. Security Considerations ........................................12 7. References .....................................................13 7.1. Normative References ......................................13 7.2. Informative References ....................................14 Housley & Solinas Informational [Page 2] RFC 6318 Suite B in S/MIME June 2011 1. Introduction The Fact Sheet on National Security Agency (NSA) Suite B Cryptography [NSA] states: A Cryptographic Interoperability Strategy (CIS) was developed to find ways to increase assured rapid sharing of information both within the U.S. and between the U.S. and her partners through the use of a common suite of public standards, protocols, algorithms and modes referred to as the "Secure Sharing Suite" or S.3. The implementation of CIS will facilitate the development of a broader range of secure cryptographic products which will be available to a wide customer base. The use of selected public cryptographic standards and protocols and Suite B is the core of CIS. In 2005, NSA announced Suite B Cryptography which built upon theShow full document text