private void ValidatePrivateKey(bool showWarning = true)
{
try
{
var formatting = new string[9]
{
"<RSAKeyValue><Modulus>",
"</Modulus><Exponent>",
"</Exponent><P>",
"</P><Q>",
"</Q><DP>",
"</DP><DQ>",
"</DQ><InverseQ>",
"</InverseQ><D>",
"</D></RSAKeyValue>"
};
var readKey = ReadXMLKey(PrivateKey, 8, false, formatting, showWarning);
if (readKey == null)
{
isPrivateKeyValid = false;
return;
}
bool isValidated = false;
BigInteger n = new BigInteger(Convert.FromBase64String(readKey[0]));
int e = BitConverter.ToInt32(Convert.FromBase64String(readKey[1]), 0);
BigInteger p = new BigInteger(Convert.FromBase64String(readKey[2]));
BigInteger q = new BigInteger(Convert.FromBase64String(readKey[3]));
BigInteger dp = new BigInteger(Convert.FromBase64String(readKey[4]));
BigInteger dq = new BigInteger(Convert.FromBase64String(readKey[5]));
BigInteger invQ = new BigInteger(Convert.FromBase64String(readKey[6]));
BigInteger d = new BigInteger(Convert.FromBase64String(readKey[7]));
if (e > 1 && e % 2 != 0)
{
if (KeyGenerator.IsPrime(p, 40) && BigInteger.GreatestCommonDivisor(p - 1, new BigInteger(e)) == 1 && KeyGenerator.IsPrime(q, 40) && BigInteger.GreatestCommonDivisor(q - 1, new BigInteger(e)) == 1)
{
if (p * q == n)
{
if (KeyGenerator.CalculateD(e, (p - 1) * (q - 1)) == d)
{
}
}
}
}
if (isValidated)
{
SetKey(e, n, p, q, dp, dq, invQ, d);
}
else
{
if (isPublicKeyValid)
{
SetKey(Exponent, Modulus, 0, 0, 0, 0, 0, 0);
}
else
{
SetKey(0, 0, 0, 0, 0, 0, 0, 0);
}
}
isPrivateKeyValid = isValidated;
EnableKeyValidation(false, true, isPrivateKeyValid);
}
catch (Exception ex)
{
if (showWarning)
{
MessageBox.Show("ImpossÃvel validar chave. " + ex.Message);
}
isPrivateKeyValid = false;
}
}
