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{Blocked Content} I-D Action:draft-ietf-smime-symkeydist-10.txt

2008-01-28 14:46:26
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
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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