2.2.2.6.1 PKCS #10 Request Format
Clients use PKCS #10 structures, as specified in [RFC2986], to submit a certificate request to a CA. A PKCS #10 request can be used by itself or encapsulated within a CMC (as specified in [RFC2797]) or a CMS (as specified in [RFC3852]) request.
The following fields are introduced and specified in [RFC2986] section 4 and used by this protocol:
CertificationRequest
CertificationRequestInfo
Name
SubjectPublicKeyInfo
Attributes
AlgorithmIdentifier
For detailed server processing information, see section 3.1.1.4.3.1.1.