RFC 5751, "Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 3.2 Message Specification", January 2010

Note: This RFC has been obsoleted by RFC 8551

Errata ID: 2143
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Jim Schaad
Date Reported: 2010-04-08
Verifier Name: Tim Polk
Date Verified: 2010-07-20

Section 3.2.2 says:

      Name                   CMS Type                Inner Content
      enveloped-data         EnvelopedData           id-data
      signed-data            SignedData              id-data
      certs-only             SignedData              none
      compressed-data        CompressedData          id-data

It should say:

      Name                   CMS Type                Inner Content
      enveloped-data         EnvelopedData           id-data
      signed-data            SignedData              id-data
      certs-only             SignedData              id-data
      compressed-data        CompressedData          id-data

Notes:

The inner content type is not an optional field. Some inner content type MUST be included, id-data is the correct inner content type to be specified.

The balance of the required information is in section 3.7. It is possible that the fact that id-data is used as the encapsulated content type should be added to the section Step 1 in 3.7

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