Examples of javax.crypto.Cipher.doFinal()

javax.crypto.Cipher.doFinal()
@com.intel.drl.spec_ref

        
      Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");
      
      cipher.init(Cipher.ENCRYPT_MODE, session_key ); 
  
      byte[]  encrypted_message = cipher.doFinal( message_bytes );
  
      secure_payload.put( "ver", "1" );
      secure_payload.put( "alg", "DESede" );
      secure_payload.put( "key", encryped_session_key );
      secure_payload.put( "content", encrypted_message );

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    try{
      Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");
      
      cipher.init(Cipher.DECRYPT_MODE, session_key ); 
  
      byte[]  message_bytes = cipher.doFinal( encrypted_message );
  
      Map plain_payload = StaticUtilities.getFormatters().bDecode( message_bytes );


      return( plain_payload );

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      throw new XMLEncryptionException("empty", ike);
    }


        try {
            encryptedBytes =
                c.doFinal(serializedOctets.getBytes("UTF-8"));


            if (logger.isLoggable(java.util.logging.Level.FINE))                                     logger.log(java.util.logging.Level.FINE, "Expected cipher.outputSize = " +
                Integer.toString(c.getOutputSize(
                    serializedOctets.getBytes().length)));
            if (logger.isLoggable(java.util.logging.Level.FINE))                                     logger.log(java.util.logging.Level.FINE, "Actual cipher.outputSize = " +

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            throw new XMLEncryptionException("empty", ike);
        }
        
        try {
            encryptedBytes =
                    c.doFinal(serializedOctets);
            
            logger.log(java.util.logging.Level.FINE, "Expected cipher.outputSize = " +
                    Integer.toString(c.getOutputSize(
                    serializedOctets.length)));
            logger.log(java.util.logging.Level.FINE, "Actual cipher.outputSize = " +

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    }


    byte[] plainBytes;


        try {
            plainBytes = c.doFinal(encryptedBytes, 
                   ivLen, 
                   encryptedBytes.length - ivLen);


        } catch (IllegalBlockSizeException ibse) {
            throw new XMLEncryptionException("empty", ibse);

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        try {
            /* Create PBE Cipher */
            Cipher pbeCipher = getCipher(Cipher.ENCRYPT_MODE, password);
            /* Encrypt the plaintext */
            return pbeCipher.doFinal(plaintext);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

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        try {
            /* Create PBE Cipher */
            Cipher cipher = getCipher(Cipher.DECRYPT_MODE, password);
            /* get the plaintext */
            return cipher.doFinal(cyphertext);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

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        // Our cleartext
        byte[] cleartext = plaintext.getBytes();


        // Encrypt the cleartext
        return pbeCipher.doFinal(cleartext);
    }




    private static String getDecrypted(byte[] cyphertext)
        throws Exception {

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        // Initialize PBE Cipher with key and parameters
        pbeCipher.init(Cipher.DECRYPT_MODE, pbeKey, pbeParamSpec);


        // Encrypt the cleartext
        return new String(pbeCipher.doFinal(cyphertext));
    }
}

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    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
    javax.crypto.SecretKey key = keyFactory.generateSecret(dks);
    Cipher cipher = Cipher.getInstance("DES");
    cipher.init(2, key, sr);
    byte encryptedData[] = encryptText;
    byte decryptedData[] = cipher.doFinal(encryptedData);
    return decryptedData;
  }


  public static void main(String args[]) throws Exception {
    String key = "ABCDEFGH";

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