|
1
|
|
|
<?php |
|
2
|
|
|
declare(strict_types=1); |
|
3
|
|
|
|
|
4
|
|
|
namespace SKien\PNServer\Utils; |
|
5
|
|
|
|
|
6
|
|
|
/* |
|
7
|
|
|
* extracted required classes and functions from package |
|
8
|
|
|
* spomky-labs/jose |
|
9
|
|
|
* https://github.com/Spomky-Labs/Jose |
|
10
|
|
|
* |
|
11
|
|
|
* @package PNServer |
|
12
|
|
|
* @version 1.0.0 |
|
13
|
|
|
* @copyright MIT License - see the copyright below and LICENSE file for details |
|
14
|
|
|
*/ |
|
15
|
|
|
|
|
16
|
|
|
/* |
|
17
|
|
|
* ********************************************************************* |
|
18
|
|
|
* Copyright (c) 2014-2016 Spomky-Labs |
|
19
|
|
|
* |
|
20
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining |
|
21
|
|
|
* a copy of this software and associated documentation files (the "Software"), |
|
22
|
|
|
* to deal in the Software without restriction, including without limitation |
|
23
|
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
|
24
|
|
|
* and/or sell copies of the Software, and to permit persons to whom the |
|
25
|
|
|
* Software is furnished to do so, subject to the following conditions: |
|
26
|
|
|
* |
|
27
|
|
|
* The above copyright notice and this permission notice shall be included |
|
28
|
|
|
* in all copies or substantial portions of the Software. |
|
29
|
|
|
* |
|
30
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
|
31
|
|
|
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
|
32
|
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
|
33
|
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES |
|
34
|
|
|
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
|
35
|
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
|
36
|
|
|
* OTHER DEALINGS IN THE SOFTWARE. |
|
37
|
|
|
* *********************************************************************** |
|
38
|
|
|
*/ |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* @internal |
|
42
|
|
|
*/ |
|
43
|
|
|
class Math |
|
44
|
|
|
{ |
|
45
|
|
|
public static function cmp(\GMP $first, \GMP $other) : int |
|
46
|
|
|
{ |
|
47
|
|
|
return \gmp_cmp($first, $other); |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
public static function equals(\GMP $first, \GMP $other) : bool |
|
51
|
|
|
{ |
|
52
|
|
|
return 0 === \gmp_cmp($first, $other); |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
public static function mod(\GMP $number, \GMP $modulus) : \GMP |
|
56
|
|
|
{ |
|
57
|
|
|
return \gmp_mod($number, $modulus); |
|
|
|
|
|
|
58
|
|
|
} |
|
59
|
|
|
|
|
60
|
|
|
public static function add(\GMP $augend, \GMP $addend) : \GMP |
|
61
|
|
|
{ |
|
62
|
|
|
return \gmp_add($augend, $addend); |
|
|
|
|
|
|
63
|
|
|
} |
|
64
|
|
|
|
|
65
|
|
|
public static function sub(\GMP $minuend, \GMP $subtrahend) : \GMP |
|
66
|
|
|
{ |
|
67
|
|
|
return \gmp_sub($minuend, $subtrahend); |
|
|
|
|
|
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
public static function mul(\GMP $multiplier, \GMP $multiplicand) : \GMP |
|
71
|
|
|
{ |
|
72
|
|
|
return \gmp_mul($multiplier, $multiplicand); |
|
|
|
|
|
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
public static function pow(\GMP $base, int $exponent) : \GMP |
|
76
|
|
|
{ |
|
77
|
|
|
return \gmp_pow($base, $exponent); |
|
|
|
|
|
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
|
|
public static function bitwiseAnd(\GMP $first, \GMP $other) : \GMP |
|
81
|
|
|
{ |
|
82
|
|
|
return \gmp_and($first, $other); |
|
|
|
|
|
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
public static function bitwiseXor(\GMP $first, \GMP $other) : \GMP |
|
86
|
|
|
{ |
|
87
|
|
|
return \gmp_xor($first, $other); |
|
|
|
|
|
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
public static function toString(\GMP $value) : string |
|
91
|
|
|
{ |
|
92
|
|
|
return \gmp_strval($value); |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* @param \GMP $a |
|
97
|
|
|
* @param \GMP $m |
|
98
|
|
|
* @return \GMP|bool |
|
99
|
|
|
*/ |
|
100
|
|
|
public static function inverseMod(\GMP $a, \GMP $m) |
|
101
|
|
|
{ |
|
102
|
|
|
return \gmp_invert($a, $m); |
|
|
|
|
|
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
/** |
|
106
|
|
|
* @param int|string $number |
|
107
|
|
|
* @param int $from |
|
108
|
|
|
* @param int $to |
|
109
|
|
|
* @return string |
|
110
|
|
|
*/ |
|
111
|
|
|
public static function baseConvert($number, int $from, int $to) : string |
|
112
|
|
|
{ |
|
113
|
|
|
return \gmp_strval(\gmp_init($number, $from), $to); |
|
114
|
|
|
} |
|
115
|
|
|
|
|
116
|
|
|
public static function rightShift(\GMP $number, int $positions) : \GMP |
|
117
|
|
|
{ |
|
118
|
|
|
// when using \gmp_div, phpStan says: Method SKien\PNServer\Utils\Math::rightShift() should return GMP but returns resource. ? |
|
119
|
|
|
return \gmp_div_q($number, \gmp_pow(\gmp_init(2, 10), $positions)); |
|
|
|
|
|
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
public static function modSub(\GMP $minuend, \GMP $subtrahend, \GMP $modulus) : \GMP |
|
123
|
|
|
{ |
|
124
|
|
|
return self::mod(self::sub($minuend, $subtrahend), $modulus); |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
public static function modMul(\GMP $multiplier, \GMP $muliplicand, \GMP $modulus) : \GMP |
|
128
|
|
|
{ |
|
129
|
|
|
return self::mod(self::mul($multiplier, $muliplicand), $modulus); |
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
|
|
public static function modDiv(\GMP $dividend, \GMP $divisor, \GMP $modulus) : \GMP |
|
133
|
|
|
{ |
|
134
|
|
|
return self::mul($dividend, self::inverseMod($divisor, $modulus)); |
|
135
|
|
|
} |
|
136
|
|
|
} |
|
137
|
|
|
|
Stefanius67 /
PNServer
Loading history...
