Decrypt() public method

지정한 암호화된 정보를 복호화한다.
public Decrypt ( byte cipher ) : byte[]
cipher byte 암호화된 정보
return byte[]
SymmetricEncryptor Class Documentation
Beispiel #1
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        public void TripleDES_CrossTest(string plainText) {
            using(var encryptor1 = new SymmetricEncryptor(new TripleDESCryptoServiceProvider()))
            using(var encryptor2 = new SymmetricEncryptor(new TripleDESCryptoServiceProvider())) {
                var bytes = Encoding.Unicode.GetBytes(plainText);

                var cipher1 = encryptor1.Encrypt(bytes);
                var cipher2 = encryptor2.Encrypt(bytes);

                var clean1 = Encoding.Unicode.GetString(encryptor1.Decrypt(cipher1));
                var clean2 = Encoding.Unicode.GetString(encryptor2.Decrypt(cipher2));

                Assert.AreEqual(clean1, clean2);

                var cross1 = Encoding.Unicode.GetString(encryptor1.Decrypt(cipher2));
                var cross2 = Encoding.Unicode.GetString(encryptor2.Decrypt(cipher1));

                Assert.AreEqual(cross1, cross2);
            }
        }
Beispiel #2
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        public void RC2_CrossTest(string plainText) {
            using(var encryptor1 = new SymmetricEncryptor(new RC2CryptoServiceProvider()))
            using(var encryptor2 = new SymmetricEncryptor(new RC2CryptoServiceProvider())) {
                var plainByte1 = Encoding.Unicode.GetBytes(plainText);
                var plainByte2 = Encoding.Unicode.GetBytes(plainText);

                Assert.AreEqual(plainByte1, plainByte2);

                var cipher1 = encryptor1.Encrypt(plainByte1);
                var cipher2 = encryptor2.Encrypt(plainByte2);

                Assert.AreEqual(cipher1, cipher2);
                Assert.AreEqual(cipher1.BytesToHex(), cipher2.BytesToHex());

                var clean1 = Encoding.Unicode.GetString(encryptor1.Decrypt(cipher1));
                var clean2 = Encoding.Unicode.GetString(encryptor2.Decrypt(cipher2));

                Assert.AreEqual(clean1, clean2);

                var cross1 = Encoding.Unicode.GetString(encryptor1.Decrypt(cipher2));
                var cross2 = Encoding.Unicode.GetString(encryptor2.Decrypt(cipher1));

                Assert.AreEqual(cross1, cross2);
            }
        }