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-rw-r--r--vendor/web-token/jwt-util-ecc/Point.php304
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);
+ }
+}