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Request – Independence Okay
Two parts make use of a hash function:

Signature ::= SEQUENCE {
signatureAlgorithm AlgorithmIdentifier,
signature BIT STRING,
certs [0] EXPLICIT SEQUENCE OF Certificate OPTIONAL }

CertID ::= SEQUENCE {
hashAlgorithm AlgorithmIdentifier,
issuerNameHash OCTET STRING,
issuerKeyHash OCTET STRING,
serialNumber CertificateSerialNumber }
PPT Version