コード例 #1
0
        public void Encrypt(Stream dataStream, Stream encryptedStream, string password = null)
        {
            byte []          key             = PasswordDeriver.DeriveKey(Password ?? password);
            ICryptoTransform cryptoTransform = SymmetricAlgorithm.CreateEncryptor(key, InitialVector);

            using (var cryptoStream = new CryptoStream(encryptedStream, cryptoTransform, CryptoStreamMode.Write))
            {
                dataStream.CopyTo(cryptoStream);
            }
        }
コード例 #2
0
        public byte[] Decrypt(Stream encryptedDataStream, string password = null)
        {
            byte []          key             = PasswordDeriver.DeriveKey(Password ?? password);
            ICryptoTransform cryptoTransform = SymmetricAlgorithm.CreateDecryptor(key, InitialVector);

            using (var cryptoStream = new CryptoStream(encryptedDataStream, cryptoTransform, CryptoStreamMode.Read))
            {
                using (var streamReader = new StreamReader(cryptoStream, Encoding.Default))
                {
                    string decryptedText = streamReader.ReadToEnd();
                    return(Encoding.Default.GetBytes(decryptedText));
                }
            }
        }