public void StreamEncryptionDecryptChaCha20BadKey() { StreamEncryption.DecryptChaCha20( Utilities.HexToBinary("a6ce598d8b865fb328581bcd"), Encoding.UTF8.GetBytes("ABCDEFGH"), Encoding.UTF8.GetBytes("123456789012345678901234567890")); }
private void Start() { int x = NativeLibsodium.sodium_init(); Debug.Log(x); const string MESSAGE = "Test message to encrypt"; byte[] nonce = StreamEncryption.GenerateNonceChaCha20(); byte[] key = StreamEncryption.GenerateKey(); //encrypt it byte[] encrypted = StreamEncryption.EncryptChaCha20(MESSAGE, nonce, key); //decrypt it byte[] decrypted = StreamEncryption.DecryptChaCha20(encrypted, nonce, key); string str_origin = MESSAGE; string str_encrypted = Encoding.UTF8.GetString(encrypted); string str_decrypted = Encoding.UTF8.GetString(decrypted); Debug.Log(str_origin); Debug.Log(str_encrypted); Debug.Log(str_decrypted); txt_origin.text = str_origin; txt_encrypted.text = str_encrypted; txt_decrypted.text = str_decrypted; }
public void OpenSecretBoxChaCha20() { const string EXPECTED = "Adam Caudill"; var actual = Encoding.UTF8.GetString(StreamEncryption.DecryptChaCha20( Utilities.HexToBinary("a6ce598d8b865fb328581bcd"), Encoding.UTF8.GetBytes("ABCDEFGH"), Encoding.UTF8.GetBytes("12345678901234567890123456789012"))); Assert.AreEqual(EXPECTED, actual); }
public void Stream_Encryption_Basic() { var nonce = StreamEncryption.GenerateNonceChaCha20(); var key = StreamEncryption.GenerateKey(); var messageString = "Test message to encrypt"; var encrypted = StreamEncryption.EncryptChaCha20(messageString, nonce, key); var decrypted = StreamEncryption.DecryptChaCha20(encrypted, nonce, key); Assert.AreEqual(messageString, Encoding.UTF8.GetString(decrypted)); }
public void StreamEncryptionDecryptChaCha20BadNonce() { Assert.Throws <NonceOutOfRangeException>(() => { StreamEncryption.DecryptChaCha20( Utilities.HexToBinary("a6ce598d8b865fb328581bcd"), Encoding.UTF8.GetBytes("ABC"), Encoding.UTF8.GetBytes("12345678901234567890123456789012")); }); }
public void ChaCha20Test() { var key = StreamEncryption.GenerateKey(); var nonce = StreamEncryption.GenerateNonceChaCha20(); string message = "Hello, World!"; var cipherText = StreamEncryption.EncryptChaCha20(message, nonce, key); var decrypted = StreamEncryption.DecryptChaCha20(cipherText, nonce, key); Assert.AreEqual(message, System.Text.Encoding.UTF8.GetString(decrypted)); byte[] byteMessage = System.Text.Encoding.UTF8.GetBytes(message); cipherText = StreamEncryption.EncryptChaCha20(byteMessage, nonce, key); decrypted = StreamEncryption.DecryptChaCha20(cipherText, nonce, key); Assert.AreEqual(Convert.ToBase64String(byteMessage), Convert.ToBase64String(decrypted)); }
public byte[] Decrypt(byte[] encrypted, long nonce) { // var nonce = StreamEncryption.GenerateNonceChaCha20(); // var key = StreamEncryption.GenerateKey(); // var messageString = "Test message to encrypt"; // var encrypted = StreamEncryption.EncryptChaCha20(messageString, nonce, key); // var decrypted = StreamEncryption.DecryptChaCha20(encrypted, nonce, key); var nonceByteArray = BitConverter.GetBytes(nonce); return(StreamEncryption.DecryptChaCha20(encrypted, nonceByteArray, _encryptionKey)); // public const string ChaChaEncryptionKey = "f2ZWDvhBXFSxKXpCl0wg9aEZnuXfA+B2c+5RU8wWbfQ=" ; // public const string ChaChaSigPublicKey = "6T7iL581iPWn1X/Nm8AD2PNRFDqGyGlRfslNy0SD63M="; // public const string ChaChaSigPrivateKey = }
/// <summary> /// Decrypt a message using provided key and nonce /// </summary> /// <param name="encrypted">Ciphertext message</param> /// <param name="key">Plaintext/Base64-encoded key</param> /// <param name="nonce">Base64-encoded nonce (generate using GenerateNonce())</param> /// <returns> /// Plaintext UTF-8 message /// </returns> public static string Decrypt(string encrypted, string key, string nonce) { // Validate parameters if (string.IsNullOrEmpty(key)) { throw new ArgumentNullException(nameof(key)); } if (string.IsNullOrEmpty(encrypted)) { throw new ArgumentNullException(nameof(encrypted)); } if (string.IsNullOrEmpty(nonce)) { throw new ArgumentNullException(nameof(nonce)); } // Check nonce is Base64 if (!Utils.IsBase64(nonce)) { throw new ArgumentException($"{nameof(nonce)} must be base64-encoded string"); } byte[] nonce_bytes = Convert.FromBase64String(nonce); // Convert key to bytes byte[] key_bytes; if (Utils.IsBase64(key)) { // Key is Base64, convert to raw bytes key_bytes = Convert.FromBase64String(key); } else { // Key is plaintext string, fallback to raw ASCII bytes key_bytes = Encoding.ASCII.GetBytes(key); } // Check if encrypted is Base64 if (!Utils.IsBase64(encrypted)) { throw new ArgumentException($"{nameof(encrypted)} must be base64-encoded string"); } byte[] encrypted_bytes = Convert.FromBase64String(encrypted); // Decrypt the message var raw_msg = StreamEncryption.DecryptChaCha20(encrypted_bytes, nonce_bytes, key_bytes); return(Encoding.UTF8.GetString(raw_msg)); }
public void TestChaCha20() { int x = NativeLibsodium.sodium_init(); Assert.True(x == 0 || x == 1); const string MESSAGE = "Test message to encrypt"; byte[] nonce = StreamEncryption.GenerateNonceChaCha20(); byte[] key = StreamEncryption.GenerateKey(); //encrypt it byte[] encrypted = StreamEncryption.EncryptChaCha20(MESSAGE, nonce, key); //decrypt it byte[] decrypted = StreamEncryption.DecryptChaCha20(encrypted, nonce, key); Assert.AreEqual(MESSAGE, decrypted); }
private void Start() { int x = NativeLibsodium.sodium_init(); Debug.Log(x); const string MESSAGE = "Test message to encrypt"; byte[] nonce = StreamEncryption.GenerateNonceChaCha20(); byte[] key = StreamEncryption.GenerateKey(); //encrypt it byte[] encrypted = StreamEncryption.EncryptChaCha20(MESSAGE, nonce, key); //decrypt it byte[] decrypted = StreamEncryption.DecryptChaCha20(encrypted, nonce, key); Debug.Log(MESSAGE); Debug.Log(Encoding.UTF8.GetString(encrypted)); Debug.Log(Encoding.UTF8.GetString(decrypted)); }
public byte[] Decrypt(byte[] encryptedStr, long nonce) { byte[] decryptedVar = new byte[] {}; decryptedVar = StreamEncryption.DecryptChaCha20(encryptedStr, BitConverter.GetBytes(nonce), Convert.FromBase64String(ChaChaEncryptionKey)); return(decryptedVar); }
public byte[] Decrypt(byte[] cipherText, long nonce) { return(StreamEncryption.DecryptChaCha20(cipherText, GetNonceBytes(nonce), _crypteKey)); }
public byte[] Decrypt(byte[] encrypted, long nonce) { var nonceByte = BitConverter.GetBytes(nonce); return(StreamEncryption.DecryptChaCha20(encrypted, nonceByte, ChaChaEncryptionKey)); }
public byte[] Decrypt_Fake(byte[] message, long tmpNonce) { return(StreamEncryption.DecryptChaCha20(message, BitConverter.GetBytes(tmpNonce), Convert.FromBase64String(ChaChaEncryptionKeyFake))); }
public void RoundTripCheck(IHashProvider hashProvider, IBlockObjectTypeProvider typeProvider) { // Serialize a first time var firstMemoryStream = new MemoryStream(); var firstSerializeContext = new BlockSerializeContext(new BinaryWriter(firstMemoryStream), typeProvider); byte[] nonce; if (typeProvider.SecretKey != null) { nonce = StreamEncryption.GenerateNonceChaCha20(); firstSerializeContext.bw.WriteBuffer(nonce); using (var ems = new MemoryStream()) { using (var ebw = new BinaryWriter(ems)) { var ec = new BlockSerializeContext(ebw, typeProvider, firstSerializeContext.Version); Serialize(ec); firstSerializeContext.bw.WriteBuffer(StreamEncryption.EncryptChaCha20(ems.ToArray(), nonce, ec.typeProvider.SecretKey)); } } } else { firstSerializeContext.bw.Write(false); Serialize(firstSerializeContext); } byte[] originalData = firstMemoryStream.ToArray(); // Then deserialize that data { var br = new BinaryReader(new MemoryStream(originalData)); var deserializeContext = new BlockDeserializeContext(br, typeProvider); nonce = deserializeContext.br.ReadBuffer(); Block deserialized; if (nonce != null) { using (var dms = new MemoryStream(StreamEncryption.DecryptChaCha20(deserializeContext.br.ReadBuffer(), nonce, typeProvider.SecretKey))) { using (var dbr = new BinaryReader(dms)) { var dc = new BlockDeserializeContext(dbr, typeProvider); deserialized = new Block(dc); } } } else { deserialized = new Block(deserializeContext); } // Then serialize that deserialized data and see if it matches { var secondMemoryStream = new MemoryCompareStream(originalData); var secondSerializeContext = new BlockSerializeContext(new BinaryWriter(secondMemoryStream), typeProvider); if (typeProvider.SecretKey != null) { secondSerializeContext.bw.WriteBuffer(nonce); using (var ems = new MemoryStream()) { using (var ebw = new BinaryWriter(ems)) { var ec = new BlockSerializeContext(ebw, typeProvider, secondSerializeContext.Version); deserialized.Serialize(ec); secondSerializeContext.bw.WriteBuffer(StreamEncryption.EncryptChaCha20(ems.ToArray(), nonce, ec.typeProvider.SecretKey)); } } } else { secondSerializeContext.bw.Write(false); deserialized.Serialize(secondSerializeContext); } } } }
public byte[] Decrypt(byte[] message, long nonce) { var byteNonce = BitConverter.GetBytes(nonce); return(StreamEncryption.DecryptChaCha20(message, byteNonce, ChaChaEncryptionKey)); }