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RFC 5008, "Suite B in Secure/Multipurpose Internet Mail Extensions (S/MIME)", September 2007

Note: This RFC has been obsoleted by RFC 6318

Source of RFC: IETF - NON WORKING GROUP
Area Assignment: sec
See Also: RFC 5008 w/ inline errata

Errata ID: 1729
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Sean Turner
Date Reported: 2009-03-16
Verifier Name: Russ Housley
Date Verified: 2010-04-08

Section 4.1 says: 

      originator MUST be the originatorKey alternative.  The
      originatorKey algorithm field MUST contain the id-ecPublicKey
      object identifier (see Section 3) with NULL parameters.  The
      originatorKey publicKey field MUST contain the message
      originator's ephemeral public key, which is a DER-encoded ECPoint
      (see Section 3).  The ECPoint SHOULD be represented in
      uncompressed form.

It should say:

      originator MUST be the originatorKey alternative.  The 
      originatorKey algorithm field MUST contain the id-ecPublicKey 
      object identifier (see Section 3).  The parameters associated 
      with id-ecPublicKey MUST be absent, ECParameters, or NULL. The 
      parameters associated with id-ecPublicKey SHOULD be absent or 
      ECParameters, and NULL is allowed to support legacy implementations.  
      The originatorKey publicKey field MUST contain the message 
      originator's ephemeral public key, which is a DER-encoded ECPoint 
      (see Section 3).  The ECPoint SHOULD be represented in uncompressed 
      form.

Notes:

This change aligns RFC 5008 with the draft-ietf-smime-3278bis. The correct parameters for id-ecPublicKey is either absent or ECParameters not NULL. Retained NULL for backwards compatibility.

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