public void Crypto_SymmetricKey()
{
SymmetricKey key = Crypto.GenerateSymmetricKey(CryptoAlgorithm.AES, 256);
SymmetricKey copy;
string inputString;
byte[] inputBytes;
copy = new SymmetricKey(key.ToString());
Assert.AreEqual(key.Algorithm, copy.Algorithm);
CollectionAssert.AreEqual(key.Key, copy.Key);
CollectionAssert.AreEqual(key.IV, copy.IV);
inputString = "Hello World!";
Assert.AreEqual(inputString, Crypto.DecryptString(Crypto.EncryptString(inputString, key), key));
Assert.AreEqual(inputString, Crypto.DecryptStringWithSalt4(Crypto.EncryptStringWithSalt4(inputString, key), key));
Assert.AreEqual(inputString, Crypto.DecryptStringWithSalt8(Crypto.EncryptStringWithSalt8(inputString, key), key));
inputBytes = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
CollectionAssert.AreEqual(inputBytes, Crypto.Decrypt(Crypto.Encrypt(inputBytes, key), key));
CollectionAssert.AreEqual(inputBytes, Crypto.DecryptWithSalt4(Crypto.EncryptWithSalt4(inputBytes, key), key));
CollectionAssert.AreEqual(inputBytes, Crypto.DecryptWithSalt8(Crypto.EncryptWithSalt8(inputBytes, key), key));
key = new SymmetricKey("plaintext");
Assert.AreEqual(CryptoAlgorithm.PlainText, key.Algorithm);
CollectionAssert.AreEqual(new byte[0], key.Key);
CollectionAssert.AreEqual(new byte[0], key.IV);
Assert.AreEqual("PLAINTEXT", key.ToString());
}
private static int GenKey(string algorithm, string sKeySize)
{
int keySize;
if (!int.TryParse(sKeySize, out keySize) || keySize <= 0)
{
Program.Output("key size must be >= 0");
return(1);
}
switch (algorithm.ToUpper())
{
case CryptoAlgorithm.RC2:
case CryptoAlgorithm.DES:
case CryptoAlgorithm.TripleDES:
case CryptoAlgorithm.AES:
SymmetricKey key = Crypto.GenerateSymmetricKey(algorithm, keySize);
Program.Output("");
Program.Output("SymKey {0}\r\n", key.ToString());
Program.Output("KEY: {0}\r\n", Helper.ToHex(key.Key));
Program.Output("IV: {0}\r\n", Helper.ToHex(key.IV));
return(0);
case CryptoAlgorithm.RSA:
string privateKey;
string publicKey;
privateKey = AsymmetricCrypto.CreatePrivateKey(algorithm, keySize);
publicKey = AsymmetricCrypto.GetPublicKey(algorithm, privateKey);
Program.Output("");
Program.Output("PRIVATE KEY :\r\n\r\n{0}\r\n", privateKey);
Program.Output("PUBLIC KEY:\r\n\r\n{0}\r\n", publicKey);
return(0);
default:
Program.Error("[{0}] is not a supported encryption algorithm.", algorithm);
return(1);
}
}