public void CleanRoundtripBytes(SymmetricCryptoManager testCryptoManager)
{
var rng = new Random();
var data = new byte[1064 * 1064];
var iv = new byte[64];
var key = new byte[64];
rng.NextBytes(data);
rng.NextBytes(iv);
rng.NextBytes(key);
byte[] encryptedBytes = testCryptoManager.EncryptBytes(data, key.Take(testCryptoManager.KeySize / 8).ToArray(), iv);
byte[] decryptedBytes = testCryptoManager.DecryptBytes(encryptedBytes, key.Take(testCryptoManager.KeySize / 8).ToArray(), iv);
Assert.True(data.SequenceEqual(decryptedBytes));
}
public void TestBytesEarlyIv(SymmetricCryptoManager testCryptoManager)
{
var rng = new Random();
var data = new byte[1064 * 1064];
var iv = new byte[64];
var key = new byte[64];
rng.NextBytes(data);
rng.NextBytes(iv);
rng.NextBytes(key);
testCryptoManager.InitializationVector = iv;
byte[] encryptedData = testCryptoManager.EncryptBytes(data, key.Take(testCryptoManager.KeySize / 8).ToArray());
byte[] decryptedBytes = testCryptoManager.DecryptBytes(encryptedData, key.Take(testCryptoManager.KeySize / 8).ToArray());
Assert.True(data.SequenceEqual(decryptedBytes));
}
public void TestBadKey(SymmetricCryptoManager testCryptoManager)
{
var rng = new Random();
var data = new byte[1064 * 1064];
var iv = new byte[64];
var key = new byte[64];
var badKey = new byte[64];
rng.NextBytes(data);
rng.NextBytes(iv);
rng.NextBytes(key);
rng.NextBytes(badKey);
byte[] encryptedData = testCryptoManager.EncryptBytes(data, key.Take(testCryptoManager.KeySize / 8).ToArray(), iv);
var shouldFail = new Action(() =>
{
_ = testCryptoManager.DecryptBytes(encryptedData, badKey.Take(testCryptoManager.KeySize / 8).ToArray(), iv);
});
Assert.Throws <CryptographicException>(shouldFail);
}