/**
* Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
* The data is encrypted or decrypted, depending on how this cipher was initialized.
*
* <p>The first <code>inputLen</code> bytes in the <code>input</code> buffer, starting at <code>
* inputOffset</code>, and any input bytes that may have been buffered during a previous <code>
* update</code> operation, are processed, with padding (if requested) being applied. The result
* is stored in the <code>output</code> buffer, starting at <code>outputOffset</code>.
*
* <p>The cipher is reset to its initial state (uninitialized) after this call.
*
* @param input the input buffer
* @param inputOffset the offset in <code>input</code> where the input starts
* @param inputLen the input length
* @param output the buffer for the result
* @param outputOffset the offset in <code>output</code> where the result is stored
* @return the number of bytes stored in <code>output</code>
* @exception IllegalBlockSizeException if this cipher is a block cipher, no padding has been
* requested (only in encryption mode), and the total input length of the data processed by
* this cipher is not a multiple of block size
* @exception ShortBufferException if the given output buffer is too small to hold the result
* @exception BadPaddingException if decrypting and padding is choosen, but the last input data
* does not have proper padding bytes.
*/
protected int engineDoFinal(
byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
throws ShortBufferException, IllegalBlockSizeException, BadPaddingException {
return core.doFinal(input, inputOffset, inputLen, output, outputOffset);
}
/**
* Encrypts or decrypts data in a single-part operation, or finishes a multiple-part operation.
* The data is encrypted or decrypted, depending on how this cipher was initialized.
*
* <p>The first <code>inputLen</code> bytes in the <code>input</code> buffer, starting at <code>
* inputOffset</code>, and any input bytes that may have been buffered during a previous <code>
* update</code> operation, are processed, with padding (if requested) being applied. The result
* is stored in a new buffer.
*
* <p>The cipher is reset to its initial state (uninitialized) after this call.
*
* @param input the input buffer
* @param inputOffset the offset in <code>input</code> where the input starts
* @param inputLen the input length
* @return the new buffer with the result
* @exception IllegalBlockSizeException if this cipher is a block cipher, no padding has been
* requested (only in encryption mode), and the total input length of the data processed by
* this cipher is not a multiple of block size
* @exception BadPaddingException if decrypting and padding is choosen, but the last input data
* does not have proper padding bytes.
*/
protected byte[] engineDoFinal(byte[] input, int inputOffset, int inputLen)
throws IllegalBlockSizeException, BadPaddingException {
return core.doFinal(input, inputOffset, inputLen);
}