/**
* Creates a new Proof of Possession object for a signing key.
* @param poposkIn the PopoSigningKeyInput structure, or null if the
* CertTemplate includes both subject and publicKey values.
* @param aid the AlgorithmIdentifier used to sign the proof of possession.
* @param signature a signature over the DER-encoded value of poposkIn,
* or the DER-encoded value of certReq if poposkIn is null.
*/
public PopoSigningKey(
PopoSigningKeyInput poposkIn,
AlgorithmIdentifier aid,
DerBitString signature)
{
this.poposkInput = poposkIn;
this.algorithmIdentifier = aid;
this.signature = signature;
}
private PopoSigningKey(Asn1Sequence seq)
{
int index = 0;
if (seq[index] is Asn1TaggedObject)
{
Asn1TaggedObject tagObj
= (Asn1TaggedObject)seq[index++];
if (tagObj.TagNo != 0)
{
throw new ArgumentException("Unknown PopoSigningKeyInput tag: " + tagObj.TagNo, "seq");
}
poposkInput = PopoSigningKeyInput.GetInstance(tagObj.GetObject());
}
algorithmIdentifier = AlgorithmIdentifier.GetInstance(seq[index++]);
signature = DerBitString.GetInstance(seq[index]);
}