public MacData(
DigestInfo digInfo,
byte[] salt,
int iterationCount)
{
this.digInfo = digInfo;
this.salt = (byte[]) salt.Clone();
this.iterationCount = BigInteger.ValueOf(iterationCount);
}
private MacData(
Asn1Sequence seq)
{
this.digInfo = DigestInfo.GetInstance(seq[0]);
this.salt = ((Asn1OctetString) seq[1]).GetOctets();
if (seq.Count == 3)
{
this.iterationCount = ((DerInteger) seq[2]).Value;
}
else
{
this.iterationCount = BigInteger.One;
}
}
private byte[] DerEncode(byte[] hash)
{
if (algId == null)
{
// For raw RSA, the DigestInfo must be prepared externally
return hash;
}
DigestInfo dInfo = new DigestInfo(algId, hash);
return dInfo.GetDerEncoded();
}