public HKeyExchange(int exponent, string modulus, string privateExponent) :
this()
{
var keys = new RSAParameters();
Exponent = new BigInteger(exponent);
keys.Exponent = Exponent.ToByteArray();
Modulus = BigInteger.Parse("0" + modulus, NumberStyles.HexNumber);
keys.Modulus = Modulus.ToByteArray();
Array.Reverse(keys.Modulus);
if (!string.IsNullOrWhiteSpace(privateExponent))
{
PrivateExponent = BigInteger.Parse("0" + privateExponent, NumberStyles.HexNumber);
keys.D = PrivateExponent.ToByteArray();
Array.Reverse(keys.D);
GenerateDHPrimes(256);
GenerateDHKeys(DHPrime, DHGenerator);
}
RSA = new RSACryptoServiceProvider();
RSA.ImportParameters(keys);
_blockSize = (RSA.KeySize -
RSA.LegalKeySizes[0].SkipSize) / 8;
}
public HKeyExchange(int exponent, string modulus, string privateExponent)
{
Exponent = new BigInteger(exponent);
Modulus = BigInteger.Parse("0" + modulus, NumberStyles.HexNumber);
var keys = new RSAParameters
{
Exponent = Exponent.ToByteArray(isBigEndian: true),
Modulus = Modulus.ToByteArray(isBigEndian: true)
};
if (!string.IsNullOrWhiteSpace(privateExponent))
{
PrivateExponent = BigInteger.Parse("0" + privateExponent, NumberStyles.HexNumber);
keys.D = PrivateExponent.ToByteArray(isBigEndian: true);
GenerateDHPrimes(256);
GenerateDHKeys(DHPrime, DHGenerator);
}
RSA = RSA.Create(keys);
}