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This draft is a work item of the S/MIME Mail Security Working Group of the IETF.
Title : CMS Symmetric Key Management and Distribution
Author(s) : S. Turner
Filename : draft-ietf-smime-symkeydist-10.txt
Pages : 89
Date : 2008-01-28
This document describes a mechanism to manage (i.e., setup,
distribute, and rekey) keys used with symmetric cryptographic
algorithms. Also defined herein is a mechanism to organize users into
groups to support distribution of encrypted content using symmetric
cryptographic algorithms. The mechanism uses the Cryptographic
Message Syntax (CMS) protocol [CMS] and Certificate Management
Message over CMS (CMC) protocol [CMC] to manage the symmetric keys.
Any member of the group can then later use this distributed shared
key to decrypt other CMS encrypted objects with the symmetric key.
This mechanism has been developed to support S/MIME Mail List Agents
(MLAs).
Conventions used in this document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119].
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