Examples of AEADParameters

Examples of org.bouncycastle.crypto.params.AEADParameters

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    byte[] originalPlaintext = createRandomArray(4080); // <<<< 4080 bytes fails, 4079 bytes works!  
    byte[] originalCiphertext = encryptWithAesGcm(originalPlaintext, randomKey, randomIv);
   
    // Decrypt with BouncyCastle implementation of CipherInputStream
    AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine());
    cipher.init(false, new AEADParameters(new KeyParameter(randomKey), 128, randomIv));
   
    try {
      readFromStream(new org.bouncycastle.crypto.io.CipherInputStream(new ByteArrayInputStream(originalCiphertext), cipher));
      //             ^^^^^^^^^^^^^^^ INTERESTING PART ^^^^^^^^^^^^^^^^ 
      //
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Examples of org.bouncycastle.crypto.params.AEADParameters

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  }
   
  @Override
  public OutputStream newCipherOutputStream(OutputStream underlyingOutputStream, byte[] secretKey, byte[] iv) throws CipherException {
    AEADBlockCipher cipher = new GCMBlockCipher(new TwofishEngine());
    cipher.init(true, new AEADParameters(new KeyParameter(secretKey), MAC_SIZE, iv));
   
    return new org.bouncycastle.crypto.io.CipherOutputStream(underlyingOutputStream, cipher);
  }
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Examples of org.bouncycastle.crypto.params.AEADParameters

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  }

  @Override
  public InputStream newCipherInputStream(InputStream underlyingInputStream, byte[] secretKey, byte[] iv) throws CipherException {
    AEADBlockCipher cipher = new GCMBlockCipher(new TwofishEngine());
    cipher.init(false, new AEADParameters(new KeyParameter(secretKey), MAC_SIZE, iv));
   
    return new org.bouncycastle.crypto.io.CipherInputStream(underlyingInputStream, cipher);
  }
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Examples of org.bouncycastle.crypto.params.AEADParameters

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  }
   
  @Override
  public OutputStream newCipherOutputStream(OutputStream underlyingOutputStream, byte[] secretKey, byte[] iv) throws CipherException {
    AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine());
    cipher.init(true, new AEADParameters(new KeyParameter(secretKey), MAC_SIZE, iv));
   
    return new org.bouncycastle.crypto.io.CipherOutputStream(underlyingOutputStream, cipher);
  }
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Examples of org.bouncycastle.crypto.params.AEADParameters

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  }

  @Override
  public InputStream newCipherInputStream(InputStream underlyingInputStream, byte[] secretKey, byte[] iv) throws CipherException {
    AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine());
    cipher.init(false, new AEADParameters(new KeyParameter(secretKey), MAC_SIZE, iv));
   
    return new org.bouncycastle.crypto.io.CipherInputStream(underlyingInputStream, cipher);
  }
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Examples of org.bouncycastle.crypto.params.AEADParameters

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    BlockCipher cipher = AES.createCipher(kek, true);

    // Create GCM cipher with AES
    GCMBlockCipher gcm = new GCMBlockCipher(cipher);

    AEADParameters aeadParams = new AEADParameters(new KeyParameter(kek.getEncoded()),
      AUTH_TAG_BIT_LENGTH,
      iv,
      null);
    gcm.init(true, aeadParams);
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Examples of org.bouncycastle.crypto.params.AEADParameters

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    BlockCipher cipher = AES.createCipher(kek, false);

    // Create GCM cipher with AES
    GCMBlockCipher gcm = new GCMBlockCipher(cipher);

    AEADParameters aeadParams = new AEADParameters(new KeyParameter(kek.getEncoded()),
      AUTH_TAG_BIT_LENGTH,
      iv,
      null);
    gcm.init(false, aeadParams);
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Examples of org.bouncycastle.crypto.params.AEADParameters

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    BlockCipher cipher = AES.createCipher(secretKey, forEncryption);

    // Create GCM cipher with AES
    GCMBlockCipher gcm = new GCMBlockCipher(cipher);

    AEADParameters aeadParams = new AEADParameters(new KeyParameter(secretKey.getEncoded()),
                                             AUTH_TAG_BIT_LENGTH,
                                             iv,
                                             authData);
    gcm.init(forEncryption, aeadParams);
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Examples of org.bouncycastle2.crypto.params.AEADParameters

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        byte[] nonce, associatedText;
        CipherParameters keyParam;

        if (params instanceof AEADParameters)
        {
            AEADParameters param = (AEADParameters)params;

            nonce = param.getNonce();
            associatedText = param.getAssociatedText();
            macSize = param.getMacSize() / 8;
            keyParam = param.getKey();
        }
        else if (params instanceof ParametersWithIV)
        {
            ParametersWithIV param = (ParametersWithIV)params;

            nonce = param.getIV();
            associatedText = new byte[0];
            macSize = mac.getMacSize() / 2;
            keyParam = param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to EAX");
        }
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Examples of org.bouncycastle2.crypto.params.AEADParameters

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        this.forEncryption = forEncryption;
        this.macBlock = null;

        if (params instanceof AEADParameters)
        {
            AEADParameters param = (AEADParameters)params;

            nonce = param.getNonce();
            A = param.getAssociatedText();

            int macSizeBits = param.getMacSize();
            if (macSizeBits < 96 || macSizeBits > 128 || macSizeBits % 8 != 0)
            {
                throw new IllegalArgumentException("Invalid value for MAC size: " + macSizeBits);
            }

            macSize = macSizeBits / 8;
            keyParam = param.getKey();
        }
        else if (params instanceof ParametersWithIV)
        {
            ParametersWithIV param = (ParametersWithIV)params;

            nonce = param.getIV();
            A = null;
            macSize = 16;
            keyParam = (KeyParameter)param.getParameters();
        }
        else
        {
            throw new IllegalArgumentException("invalid parameters passed to GCM");
        }
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