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Directory >> /home/aminiwrc/public_html11/wp-content/plugins/siteseo/vendor/paragonie/constant_time_encoding/src/

File / Folder	Size	Action
.	-
Base32.php	17.057KB	edt ren
Base32Hex.php	3.337KB	edt ren
Base64.php	9.866KB	edt ren
Base64DotSlash.php	2.968KB	edt ren
Base64DotSlashOrdered.php	2.719KB	edt ren
Base64UrlSafe.php	3.152KB	edt ren
Binary.php	2.662KB	edt ren
EncoderInterface.php	1.938KB	edt ren
Encoding.php	6.373KB	edt ren
Hex.php	4.553KB	edt ren
RFC4648.php	4.207KB	edt ren

<?php
declare(strict_types=1);
namespace ParagonIE\ConstantTime;

/**
 *  Copyright (c) 2016 - 2022 Paragon Initiative Enterprises.
 *  Copyright (c) 2014 Steve "Sc00bz" Thomas (steve at tobtu dot com)
 *
 *  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.
 */

/**
 * Class Base64DotSlash
 * ./[A-Z][a-z][0-9]
 *
 * @package ParagonIE\ConstantTime
 */
abstract class Base64DotSlash extends Base64
{
    /**
     * Uses bitwise operators instead of table-lookups to turn 6-bit integers
     * into 8-bit integers.
     *
     * Base64 character set:
     * ./         [A-Z]      [a-z]     [0-9]
     * 0x2e-0x2f, 0x41-0x5a, 0x61-0x7a, 0x30-0x39
     *
     * @param int $src
     * @return int
     */
    protected static function decode6Bits(int $src): int
    {
        $ret = -1;

// if ($src > 0x2d && $src < 0x30) ret += $src - 0x2e + 1; // -45
        $ret += (((0x2d - $src) & ($src - 0x30)) >> 8) & ($src - 45);

// if ($src > 0x40 && $src < 0x5b) ret += $src - 0x41 + 2 + 1; // -62
        $ret += (((0x40 - $src) & ($src - 0x5b)) >> 8) & ($src - 62);

// if ($src > 0x60 && $src < 0x7b) ret += $src - 0x61 + 28 + 1; // -68
        $ret += (((0x60 - $src) & ($src - 0x7b)) >> 8) & ($src - 68);

// if ($src > 0x2f && $src < 0x3a) ret += $src - 0x30 + 54 + 1; // 7
        $ret += (((0x2f - $src) & ($src - 0x3a)) >> 8) & ($src + 7);

return $ret;
    }

/**
     * Uses bitwise operators instead of table-lookups to turn 8-bit integers
     * into 6-bit integers.
     *
     * @param int $src
     * @return string
     */
    protected static function encode6Bits(int $src): string
    {
        $src += 0x2e;

// if ($src > 0x2f) $src += 0x41 - 0x30; // 17
        $src += ((0x2f - $src) >> 8) & 17;

// if ($src > 0x5a) $src += 0x61 - 0x5b; // 6
        $src += ((0x5a - $src) >> 8) & 6;

// if ($src > 0x7a) $src += 0x30 - 0x7b; // -75
        $src -= ((0x7a - $src) >> 8) & 75;

return \pack('C', $src);
    }
}

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