2.2.2.8.1.2 szOID_ENROLL_CAXCHGCERT_HASH
OID = 1.3.6.1.4.1.311.21.27
Internal Name: szOID_ENROLL_CAXCHGCERT_HASH
Description: The value of this attribute contains a SHA1 hash of the entire encoded content of a CA exchange certificate. The CA returns it in response to an attested key enrollment CMC request for the end entity certificate.
Format: The SHA1 hash value of the entire encoded content of a CA exchange certificate. This value MUST be encoded as an octet string.