public static byte[] SHA1(byte[] data, int offset, int count)
{
var sha1 = new Sha1Digest();
sha1.BlockUpdate(data, offset, count);
byte[] rv = new byte[20];
sha1.DoFinal(rv, 0);
return rv;
}
private static byte[] GetDigest(
SubjectPublicKeyInfo spki)
{
IDigest digest = new Sha1Digest();
byte[] resBuf = new byte[digest.GetDigestSize()];
byte[] bytes = spki.PublicKeyData.GetBytes();
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
return resBuf;
}