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author | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
---|---|---|
committer | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
commit | 75160b12821f7f4299cce7f0b69c83c1502ae071 (patch) | |
tree | 27e25e4ccaef45f0c58b22831164050d1af1d4db /vendor/web-token/jwt-util-ecc/Point.php | |
parent | prvi-commit (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | vendor/web-token/jwt-util-ecc/Point.php | 304 |
1 files changed, 152 insertions, 152 deletions
diff --git a/vendor/web-token/jwt-util-ecc/Point.php b/vendor/web-token/jwt-util-ecc/Point.php index bf73b2b..6fcee1d 100644 --- a/vendor/web-token/jwt-util-ecc/Point.php +++ b/vendor/web-token/jwt-util-ecc/Point.php @@ -1,152 +1,152 @@ -<?php - -declare(strict_types=1); - -/* - * The MIT License (MIT) - * - * Copyright (c) 2014-2018 Spomky-Labs - * - * This software may be modified and distributed under the terms - * of the MIT license. See the LICENSE file for details. - */ - -namespace Jose\Component\Core\Util\Ecc; - -/** - * ********************************************************************* - * Copyright (C) 2012 Matyas Danter. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES - * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * *********************************************************************** - */ - -/** - * @internal - */ -class Point -{ - /** - * @var \GMP - */ - private $x; - - /** - * @var \GMP - */ - private $y; - - /** - * @var \GMP - */ - private $order; - - /** - * @var bool - */ - private $infinity = false; - - /** - * Initialize a new instance. - * - * @throws \RuntimeException when either the curve does not contain the given coordinates or - * when order is not null and P(x, y) * order is not equal to infinity - */ - private function __construct(\GMP $x, \GMP $y, \GMP $order, bool $infinity = false) - { - $this->x = $x; - $this->y = $y; - $this->order = $order; - $this->infinity = $infinity; - } - - /** - * @return Point - */ - public static function create(\GMP $x, \GMP $y, ?\GMP $order = null): self - { - return new self($x, $y, null === $order ? \gmp_init(0, 10) : $order); - } - - /** - * @return Point - */ - public static function infinity(): self - { - $zero = \gmp_init(0, 10); - - return new self($zero, $zero, $zero, true); - } - - public function isInfinity(): bool - { - return $this->infinity; - } - - public function getOrder(): \GMP - { - return $this->order; - } - - public function getX(): \GMP - { - return $this->x; - } - - public function getY(): \GMP - { - return $this->y; - } - - /** - * @param Point $a - * @param Point $b - */ - public static function cswap(self $a, self $b, int $cond) - { - self::cswapGMP($a->x, $b->x, $cond); - self::cswapGMP($a->y, $b->y, $cond); - self::cswapGMP($a->order, $b->order, $cond); - self::cswapBoolean($a->infinity, $b->infinity, $cond); - } - - private static function cswapBoolean(bool &$a, bool &$b, int $cond) - { - $sa = \gmp_init((int) ($a), 10); - $sb = \gmp_init((int) ($b), 10); - - self::cswapGMP($sa, $sb, $cond); - - $a = (bool) \gmp_strval($sa, 10); - $b = (bool) \gmp_strval($sb, 10); - } - - private static function cswapGMP(\GMP &$sa, \GMP &$sb, int $cond) - { - $size = \max(\mb_strlen(\gmp_strval($sa, 2), '8bit'), \mb_strlen(\gmp_strval($sb, 2), '8bit')); - $mask = (string) (1 - (int) ($cond)); - $mask = \str_pad('', $size, $mask, STR_PAD_LEFT); - $mask = \gmp_init($mask, 2); - $taA = Math::bitwiseAnd($sa, $mask); - $taB = Math::bitwiseAnd($sb, $mask); - $sa = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taB); - $sb = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taA); - $sa = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taB); - } -} +<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util\Ecc;
+
+/**
+ * *********************************************************************
+ * Copyright (C) 2012 Matyas Danter.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
+ * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ * ***********************************************************************
+ */
+
+/**
+ * @internal
+ */
+class Point
+{
+ /**
+ * @var \GMP
+ */
+ private $x;
+
+ /**
+ * @var \GMP
+ */
+ private $y;
+
+ /**
+ * @var \GMP
+ */
+ private $order;
+
+ /**
+ * @var bool
+ */
+ private $infinity = false;
+
+ /**
+ * Initialize a new instance.
+ *
+ * @throws \RuntimeException when either the curve does not contain the given coordinates or
+ * when order is not null and P(x, y) * order is not equal to infinity
+ */
+ private function __construct(\GMP $x, \GMP $y, \GMP $order, bool $infinity = false)
+ {
+ $this->x = $x;
+ $this->y = $y;
+ $this->order = $order;
+ $this->infinity = $infinity;
+ }
+
+ /**
+ * @return Point
+ */
+ public static function create(\GMP $x, \GMP $y, ?\GMP $order = null): self
+ {
+ return new self($x, $y, null === $order ? \gmp_init(0, 10) : $order);
+ }
+
+ /**
+ * @return Point
+ */
+ public static function infinity(): self
+ {
+ $zero = \gmp_init(0, 10);
+
+ return new self($zero, $zero, $zero, true);
+ }
+
+ public function isInfinity(): bool
+ {
+ return $this->infinity;
+ }
+
+ public function getOrder(): \GMP
+ {
+ return $this->order;
+ }
+
+ public function getX(): \GMP
+ {
+ return $this->x;
+ }
+
+ public function getY(): \GMP
+ {
+ return $this->y;
+ }
+
+ /**
+ * @param Point $a
+ * @param Point $b
+ */
+ public static function cswap(self $a, self $b, int $cond)
+ {
+ self::cswapGMP($a->x, $b->x, $cond);
+ self::cswapGMP($a->y, $b->y, $cond);
+ self::cswapGMP($a->order, $b->order, $cond);
+ self::cswapBoolean($a->infinity, $b->infinity, $cond);
+ }
+
+ private static function cswapBoolean(bool &$a, bool &$b, int $cond)
+ {
+ $sa = \gmp_init((int) ($a), 10);
+ $sb = \gmp_init((int) ($b), 10);
+
+ self::cswapGMP($sa, $sb, $cond);
+
+ $a = (bool) \gmp_strval($sa, 10);
+ $b = (bool) \gmp_strval($sb, 10);
+ }
+
+ private static function cswapGMP(\GMP &$sa, \GMP &$sb, int $cond)
+ {
+ $size = \max(\mb_strlen(\gmp_strval($sa, 2), '8bit'), \mb_strlen(\gmp_strval($sb, 2), '8bit'));
+ $mask = (string) (1 - (int) ($cond));
+ $mask = \str_pad('', $size, $mask, STR_PAD_LEFT);
+ $mask = \gmp_init($mask, 2);
+ $taA = Math::bitwiseAnd($sa, $mask);
+ $taB = Math::bitwiseAnd($sb, $mask);
+ $sa = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taB);
+ $sb = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taA);
+ $sa = Math::bitwiseXor(Math::bitwiseXor($sa, $sb), $taB);
+ }
+}
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