public static bool IsValidKeyParams(this AsymmetricCipherKeyPair keyPair, int keySize)
{
var devideByEight = Math.Ceiling(keySize / 8.0);
var devideBySixteen = Math.Ceiling(keySize / 16.0);
var keyParams = keyPair.GetPrivateRsaParameters();
return(devideByEight == keyParams.D.Length &&
devideBySixteen == keyParams.DP.Length &&
devideBySixteen == keyParams.DQ.Length &&
3 == keyParams.Exponent.Length &&
devideBySixteen == keyParams.InverseQ.Length &&
devideByEight == keyParams.Modulus.Length &&
devideBySixteen == keyParams.P.Length &&
devideBySixteen == keyParams.Q.Length);
}
public static byte[] GetPrivateKeyBytes(this AsymmetricCipherKeyPair keyPair)
{
return(keyPair.GetPrivateRsaParameters().GetKeyBytes());
}