public override bool VerifySignature(byte[] rgbHash, byte[] rgbSignature)
{
if (rgbHash == null)
{
throw new ArgumentNullException("rgbHash");
}
if (rgbSignature == null)
{
throw new ArgumentNullException("rgbSignature");
}
if (this._strOID == null)
{
throw new CryptographicUnexpectedOperationException(Environment.GetResourceString("Cryptography_MissingOID"));
}
if (this._rsaKey == null)
{
throw new CryptographicUnexpectedOperationException(Environment.GetResourceString("Cryptography_MissingKey"));
}
if (this._rsaKey is RSACryptoServiceProvider)
{
int calgHash = X509Utils.OidToAlgIdStrict(this._strOID, OidGroup.HashAlgorithm);
return(((RSACryptoServiceProvider)this._rsaKey).VerifyHash(rgbHash, calgHash, rgbSignature));
}
byte[] rhs = Utils.RsaPkcs1Padding(this._rsaKey, CryptoConfig.EncodeOID(this._strOID), rgbHash);
return(Utils.CompareBigIntArrays(this._rsaKey.EncryptValue(rgbSignature), rhs));
}