Format of Certificates-Only Message

• This message type has no signer

• Used only to transport certificates or CRLs, which have their own signatures

• No encapsulated content

• Thus, no signer is needed

“application/pkcs7-mime”

With Transfer Encoding

CMS Signed Data

Version = “1”

Encapsulated Content Info

Set of Digest Algorithms

Type

[Empty]

[No Content]

[Empty]

Certificates (optional)

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