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| 3 | /** |
3 | /** |
| 4 | * Pure-PHP implementation of Salsa20. |
4 | * Pure-PHP implementation of Salsa20. |
| 5 | * |
5 | * |
| 6 | * PHP version 5 |
6 | * PHP version 5 |
| 7 | * |
7 | * |
| - | 8 | * @category Crypt |
|
| - | 9 | * @package Salsa20 |
|
| 8 | * @author Jim Wigginton <terrafrost@php.net> |
10 | * @author Jim Wigginton <terrafrost@php.net> |
| 9 | * @copyright 2019 Jim Wigginton |
11 | * @copyright 2019 Jim Wigginton |
| 10 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
12 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 11 | * @link http://phpseclib.sourceforge.net |
13 | * @link http://phpseclib.sourceforge.net |
| 12 | */ |
14 | */ |
| Line 19... | Line 21... | ||
| 19 | use phpseclib3\Exception\InsufficientSetupException; |
21 | use phpseclib3\Exception\InsufficientSetupException; |
| 20 | 22 | ||
| 21 | /** |
23 | /** |
| 22 | * Pure-PHP implementation of Salsa20. |
24 | * Pure-PHP implementation of Salsa20. |
| 23 | * |
25 | * |
| - | 26 | * @package Salsa20 |
|
| 24 | * @author Jim Wigginton <terrafrost@php.net> |
27 | * @author Jim Wigginton <terrafrost@php.net> |
| - | 28 | * @access public |
|
| 25 | */ |
29 | */ |
| 26 | class Salsa20 extends StreamCipher |
30 | class Salsa20 extends StreamCipher |
| 27 | { |
31 | { |
| 28 | /** |
32 | /** |
| 29 | * Part 1 of the state |
33 | * Part 1 of the state |
| Line 45... | Line 49... | ||
| 45 | * @var int |
49 | * @var int |
| 46 | */ |
50 | */ |
| 47 | protected $key_length = 32; // = 256 bits |
51 | protected $key_length = 32; // = 256 bits |
| 48 | 52 | ||
| 49 | /** |
53 | /** |
| - | 54 | * @access private |
|
| 50 | * @see \phpseclib3\Crypt\Salsa20::crypt() |
55 | * @see \phpseclib3\Crypt\Salsa20::crypt() |
| 51 | */ |
56 | */ |
| 52 | const ENCRYPT = 0; |
57 | const ENCRYPT = 0; |
| 53 | 58 | ||
| 54 | /** |
59 | /** |
| - | 60 | * @access private |
|
| 55 | * @see \phpseclib3\Crypt\Salsa20::crypt() |
61 | * @see \phpseclib3\Crypt\Salsa20::crypt() |
| 56 | */ |
62 | */ |
| 57 | const DECRYPT = 1; |
63 | const DECRYPT = 1; |
| 58 | 64 | ||
| 59 | /** |
65 | /** |
| Line 487... | Line 493... | ||
| 487 | /** |
493 | /** |
| 488 | * Calculates Poly1305 MAC |
494 | * Calculates Poly1305 MAC |
| 489 | * |
495 | * |
| 490 | * @see self::decrypt() |
496 | * @see self::decrypt() |
| 491 | * @see self::encrypt() |
497 | * @see self::encrypt() |
| - | 498 | * @access private |
|
| 492 | * @param string $ciphertext |
499 | * @param string $ciphertext |
| 493 | * @return string |
500 | * @return string |
| 494 | */ |
501 | */ |
| 495 | protected function poly1305($ciphertext) |
502 | protected function poly1305($ciphertext) |
| 496 | { |
503 | { |