public CipherInfo(SymmetricAlgorithm algorithm, int keySize, CipherModeEx mode)
{
Contract.Requires(algorithm != null);
Contract.Requires(algorithm.LegalKeySizes.Any(x =>
x.MinSize <= keySize && keySize <= x.MaxSize && keySize % x.SkipSize == 0));
algorithm.KeySize = keySize;
KeySize = algorithm.KeySize;
BlockSize = algorithm.BlockSize;
Cipher = (key, vi, isEncryption) => new EncryptionAlgorithm(algorithm, keySize, mode, key, vi, isEncryption);
}
public CipherInfo(SymmetricAlgorithm algorithm, int keySize, CipherModeEx mode)
{
Contract.Requires(algorithm != null);
Contract.Requires(algorithm.LegalKeySizes.Any(x =>
x.MinSize <= keySize && keySize <= x.MaxSize && keySize % x.SkipSize == 0));
algorithm.KeySize = keySize;
KeySize = algorithm.KeySize;
BlockSize = algorithm.BlockSize;
Cipher = (key, vi, isEncryption) => new EncryptionAlgorithm(algorithm, keySize, mode, key, vi, isEncryption);
}
public EncryptionAlgorithm(SymmetricAlgorithm algorithm, int keySize, CipherModeEx mode, byte[] key, byte[] iv, bool isEncryption)
{
Contract.Requires(algorithm != null);
Contract.Requires(key != null);
Contract.Requires(iv != null);
Contract.Requires(keySize == key.Length << 3);
algorithm.KeySize = keySize;
algorithm.Key = key;
algorithm.IV = iv;
algorithm.Padding = PaddingMode.None;
_algorithm = algorithm;
_mode = mode;
_transform = CreateTransform(isEncryption);
}
public EncryptionAlgorithm(SymmetricAlgorithm algorithm, int keySize, CipherModeEx mode, byte[] key, byte[] iv, bool isEncryption)
{
Contract.Requires(algorithm != null);
Contract.Requires(key != null);
Contract.Requires(iv != null);
Contract.Requires(keySize == key.Length << 3);
algorithm.KeySize = keySize;
algorithm.Key = key;
algorithm.IV = iv;
algorithm.Padding = PaddingMode.None;
_algorithm = algorithm;
_mode = mode;
_transform = CreateTransform(isEncryption);
}
