Mercurial > projects > dcrypt

comparison dcrypt/crypto/BlockCipherPadding.d @ 0:0e08791a1418

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial import.
author Thomas Dixon <reikon@reikon.us>
date Sun, 10 Aug 2008 14:20:17 -0400
parents
children cd376996cdb3
comparison
equal deleted inserted replaced
-1:000000000000 0:0e08791a1418
1 /**
2 * This file is part of the dcrypt project.
3 *
4 * Copyright: Copyright (C) dcrypt contributors 2008. All rights reserved.
5 * License: MIT
6 * Authors: Thomas Dixon
7 */
8
9 module dcrypt.crypto.BlockCipherPadding;
10
11 public import dcrypt.crypto.errors.InvalidPaddingError;
12
13 /** Base padding class for implementing block padding schemes. */
14 abstract class BlockCipherPadding {
15 /** Returns: The name of the padding scheme implemented. */
16 char[] name();
17
18 /**
19 * Pad the (last) block of plaintext to block length.
20 *
21 * Params:
22 * input_ = Plaintext block to be padded.
23 * inOffset = Offset at which to begin padding input_.
24 *
25 * Returns: The number of padding bytes added.
26 */
27 uint padBlock(void[] input_, uint inOff);
28
29 /**
30 * Return the number of pad bytes in the block.
31 *
32 * Params:
33 * input_ = Padded block of which to count the pad bytes.
34 *
35 * Returns: The number of pad bytes in the block.
36 *
37 * Throws: dcrypt.crypto.errors.InvalidPaddingError if
38 * pad length cannot be discerned.
39 */
40 uint padLength(void[] input_);
41 }