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comparison dcrypt/crypto/BlockCipherPadding.d @ 32:2b4bccdc8387

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Added version() statements to play nice with D2's current feelings about const. Changed a few methods (addEntropy and read in the base PRNG class, and the constructor for ParametersWithIV) to accept void[] in place of ubyte[].
author Thomas Dixon <reikon@reikon.us>
date Tue, 12 May 2009 22:09:33 -0400
parents ad687db713a4
children 6b2c35b84186
comparison
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31:f429c5e9dd69 32:2b4bccdc8387
11 public import dcrypt.crypto.errors.InvalidPaddingError; 11 public import dcrypt.crypto.errors.InvalidPaddingError;
12 12
13 /** Base padding class for implementing block padding schemes. */ 13 /** Base padding class for implementing block padding schemes. */
14 abstract class BlockCipherPadding 14 abstract class BlockCipherPadding
15 { 15 {
16 /** Returns: The name of the padding scheme implemented. */ 16 /** Returns: The name of the padding scheme implemented. */
17 string name(); 17 string name();
18
19 /**
20 * Generate padding to a specific length.
21 *
22 * Params:
23 * len = Length of padding to generate
24 *
25 * Returns: The padding bytes to be added.
26 */
27 ubyte[] pad(uint len);
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 unpad(void[] input_);
18 41
19 /** 42 /** Play nice with D2's idea of const. */
20 * Generate padding to a specific length. 43 version (D_Version2)
21 * 44 {
22 * Params: 45 uint unpad(string input_)
23 * len = Length of padding to generate 46 {
24 * 47 return unpad(cast(ubyte[])input_);
25 * Returns: The padding bytes to be added. 48 }
26 */ 49 }
27 ubyte[] pad(uint len);
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 unpad(void[] input_);
41 } 50 }