Package org.bouncycastle.crypto.modes

Examples of org.bouncycastle.crypto.modes.GCMBlockCipher.processBytes()

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    int outputLength = cipher.getOutputSize(plainText.length);
    byte[] output = new byte[outputLength];


    // Produce cipher text
    int outputOffset = cipher.processBytes(plainText, 0, plainText.length, output, 0);


    // Produce authentication tag
    try {
      outputOffset += cipher.doFinal(output, outputOffset);
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    byte[] output = new byte[outputLength];


    // Decrypt
    int outputOffset = cipher.processBytes(input, 0, input.length, output, 0);

    // Validate authentication tag
    try {
      outputOffset += cipher.doFinal(output, outputOffset);
       
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    // Prepare output buffer
    int outputLength = gcm.getOutputSize(cek.getEncoded().length);
    byte[] output = new byte[outputLength];

    // Produce cipher text
    int outputOffset = gcm.processBytes(cek.getEncoded(), 0, cek.getEncoded().length, output, 0);

    // Produce authentication tag
    try {
      outputOffset += gcm.doFinal(output, outputOffset);
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    byte[] keyBytes = new byte[keyBytesLength];


    // Decrypt
    int keyBytesOffset = gcm.processBytes(input, 0, input.length, keyBytes, 0);


    // Validate authentication tag
    try {
      keyBytesOffset += gcm.doFinal(keyBytes, keyBytesOffset);
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    int outputLength = cipher.getOutputSize(plainText.length);
    byte[] output = new byte[outputLength];


    // Produce cipher text
    int outputOffset = cipher.processBytes(plainText, 0, plainText.length, output, 0);


    // Produce authentication tag
    try {
      outputOffset += cipher.doFinal(output, outputOffset);
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    byte[] output = new byte[outputLength];


    // Decrypt
    int outputOffset = cipher.processBytes(input, 0, input.length, output, 0);

    // Validate authentication tag
    try {
      outputOffset += cipher.doFinal(output, outputOffset);
       
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