Produce an object suitable for an ASN1OutputStream.
CertID ::= SEQUENCE {
hashAlgorithm AlgorithmIdentifier,
issuerNameHash OCTET STRING, -- Hash of Issuer's DN
issuerKeyHash OCTET STRING, -- Hash of Issuers public key
serialNumber CertificateSerialNumber }
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(hashAlgorithm);
v.add(issuerNameHash);
v.add(issuerKeyHash);
v.add(serialNumber);
return new DERSequence(v);