/**
* Produce an object suitable for an ASN1OutputStream.
*
* <pre>
* KeyTransRecipientInfo ::= SEQUENCE {
* version CMSVersion, -- always set to 0 or 2
* rid RecipientIdentifier,
* keyEncryptionAlgorithm KeyEncryptionAlgorithmIdentifier,
* encryptedKey EncryptedKey
* }
* </pre>
*/
public DERObject toASN1Object() {
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(version);
v.add(rid);
v.add(keyEncryptionAlgorithm);
v.add(encryptedKey);
return new DERSequence(v);
}
/**
*
*
* <pre>
* PKIMessage ::= SEQUENCE {
* header PKIHeader,
* body PKIBody,
* protection [0] PKIProtection OPTIONAL,
* extraCerts [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate
* OPTIONAL
* }
* </pre>
*
* @return a basic ASN.1 object representation.
*/
public DERObject toASN1Object() {
ASN1EncodableVector v = new ASN1EncodableVector();
v.add(header);
v.add(body);
addOptional(v, 0, protection);
addOptional(v, 1, extraCerts);
return new DERSequence(v);
}
/**
* Creates a new PKIMessage.
*
* @param header message header
* @param body message body
* @param protection message protection (may be null)
* @param extraCerts extra certificates (may be null)
*/
public PKIMessage(
PKIHeader header, PKIBody body, DERBitString protection, CMPCertificate[] extraCerts) {
this.header = header;
this.body = body;
this.protection = protection;
if (extraCerts != null) {
ASN1EncodableVector v = new ASN1EncodableVector();
for (int i = 0; i < extraCerts.length; i++) {
v.add(extraCerts[i]);
}
this.extraCerts = new DERSequence(v);
}
}
private void addOptional(ASN1EncodableVector v, int tagNo, ASN1Encodable obj) {
if (obj != null) {
v.add(new DERTaggedObject(true, tagNo, obj));
}
}