public void generateNewKeys(string keyName, string passphrase, int moduleSize)
{
BigInteger testValue = 0;
do
{
p = PrimeNumberGenerator.GeneratePrimeNumber(moduleSize / 2);
q = PrimeNumberGenerator.GeneratePrimeNumber(moduleSize / 2);
n = BigInteger.Multiply(p, q);
phi = BigInteger.Multiply(BigInteger.Subtract(p, 1), BigInteger.Subtract(q, 1));
e = PrimeNumberGenerator.GenerateMutuallyPrimeNumber(phi, moduleSize / 2);
d = PrimeNumberGenerator.MultiplicativelyInverseNumber(phi, e);
if (BigInteger.Compare(e, 0) < 0)
{
continue;
}
if (BigInteger.Compare(d, 0) < 0)
{
continue;
}
publicKey = new RSAPublicKey(e, n);
privateKey = new RSAPrivateKey(d, n);
privateKey.EncryptByPassphrase(passphrase);
testValue = privateKey.Decrypt(publicKey.Encrypt(TEST_VALUE));
} while (!BigInteger.Equals(testValue, TEST_VALUE));
_keyName = keyName;
}
public void Clear()
{
p = 0;
q = 0;
n = 0;
phi = 0;
e = 0;
d = 0;
privateKey = null;
publicKey = null;
_keyName = "";
}
public static RSAPrivateKey LoadFromFile(string path)
{
RSAPrivateKey privateKey = new RSAPrivateKey();
try
{
using (StreamReader sr = File.OpenText(path))
{
privateKey.encryptedD = sr.ReadLine();
privateKey.encryptedN = sr.ReadLine();
}
}
catch (Exception)
{
throw new Exception("Неккоректный формат файла!");
}
return(privateKey);
}
