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<?php
namespace PhpOffice\PhpSpreadsheet\Reader\Xls;
class MD5
{
/**
* @var int
*/
private $a;
/**
* @var int
*/
private $b;
/**
* @var int
*/
private $c;
/**
* @var int
*/
private $d;
/**
* @var int
*/
private static $allOneBits;
/**
* MD5 stream constructor.
*/
public function __construct()
{
self::$allOneBits = self::signedInt(0xffffffff);
$this->reset();
}
/**
* Reset the MD5 stream context.
*/
public function reset(): void
{
$this->a = 0x67452301;
$this->b = self::signedInt(0xEFCDAB89);
$this->c = self::signedInt(0x98BADCFE);
$this->d = 0x10325476;
}
/**
* Get MD5 stream context.
*
* @return string
*/
public function getContext()
{
$s = '';
foreach (['a', 'b', 'c', 'd'] as $i) {
$v = $this->{$i};
$s .= chr($v & 0xff);
$s .= chr(($v >> 8) & 0xff);
$s .= chr(($v >> 16) & 0xff);
$s .= chr(($v >> 24) & 0xff);
}
return $s;
}
/**
* Add data to context.
*
* @param string $data Data to add
*/
public function add(string $data): void
{
// @phpstan-ignore-next-line
$words = array_values(unpack('V16', $data));
$A = $this->a;
$B = $this->b;
$C = $this->c;
$D = $this->d;
$F = [self::class, 'f'];
$G = [self::class, 'g'];
$H = [self::class, 'h'];
$I = [self::class, 'i'];
// ROUND 1
self::step($F, $A, $B, $C, $D, $words[0], 7, 0xd76aa478);
self::step($F, $D, $A, $B, $C, $words[1], 12, 0xe8c7b756);
self::step($F, $C, $D, $A, $B, $words[2], 17, 0x242070db);
self::step($F, $B, $C, $D, $A, $words[3], 22, 0xc1bdceee);
self::step($F, $A, $B, $C, $D, $words[4], 7, 0xf57c0faf);
self::step($F, $D, $A, $B, $C, $words[5], 12, 0x4787c62a);
self::step($F, $C, $D, $A, $B, $words[6], 17, 0xa8304613);
self::step($F, $B, $C, $D, $A, $words[7], 22, 0xfd469501);
self::step($F, $A, $B, $C, $D, $words[8], 7, 0x698098d8);
self::step($F, $D, $A, $B, $C, $words[9], 12, 0x8b44f7af);
self::step($F, $C, $D, $A, $B, $words[10], 17, 0xffff5bb1);
self::step($F, $B, $C, $D, $A, $words[11], 22, 0x895cd7be);
self::step($F, $A, $B, $C, $D, $words[12], 7, 0x6b901122);
self::step($F, $D, $A, $B, $C, $words[13], 12, 0xfd987193);
self::step($F, $C, $D, $A, $B, $words[14], 17, 0xa679438e);
self::step($F, $B, $C, $D, $A, $words[15], 22, 0x49b40821);
// ROUND 2
self::step($G, $A, $B, $C, $D, $words[1], 5, 0xf61e2562);
self::step($G, $D, $A, $B, $C, $words[6], 9, 0xc040b340);
self::step($G, $C, $D, $A, $B, $words[11], 14, 0x265e5a51);
self::step($G, $B, $C, $D, $A, $words[0], 20, 0xe9b6c7aa);
self::step($G, $A, $B, $C, $D, $words[5], 5, 0xd62f105d);
self::step($G, $D, $A, $B, $C, $words[10], 9, 0x02441453);
self::step($G, $C, $D, $A, $B, $words[15], 14, 0xd8a1e681);
self::step($G, $B, $C, $D, $A, $words[4], 20, 0xe7d3fbc8);
self::step($G, $A, $B, $C, $D, $words[9], 5, 0x21e1cde6);
self::step($G, $D, $A, $B, $C, $words[14], 9, 0xc33707d6);
self::step($G, $C, $D, $A, $B, $words[3], 14, 0xf4d50d87);
self::step($G, $B, $C, $D, $A, $words[8], 20, 0x455a14ed);
self::step($G, $A, $B, $C, $D, $words[13], 5, 0xa9e3e905);
self::step($G, $D, $A, $B, $C, $words[2], 9, 0xfcefa3f8);
self::step($G, $C, $D, $A, $B, $words[7], 14, 0x676f02d9);
self::step($G, $B, $C, $D, $A, $words[12], 20, 0x8d2a4c8a);
// ROUND 3
self::step($H, $A, $B, $C, $D, $words[5], 4, 0xfffa3942);
self::step($H, $D, $A, $B, $C, $words[8], 11, 0x8771f681);
self::step($H, $C, $D, $A, $B, $words[11], 16, 0x6d9d6122);
self::step($H, $B, $C, $D, $A, $words[14], 23, 0xfde5380c);
self::step($H, $A, $B, $C, $D, $words[1], 4, 0xa4beea44);
self::step($H, $D, $A, $B, $C, $words[4], 11, 0x4bdecfa9);
self::step($H, $C, $D, $A, $B, $words[7], 16, 0xf6bb4b60);
self::step($H, $B, $C, $D, $A, $words[10], 23, 0xbebfbc70);
self::step($H, $A, $B, $C, $D, $words[13], 4, 0x289b7ec6);
self::step($H, $D, $A, $B, $C, $words[0], 11, 0xeaa127fa);
self::step($H, $C, $D, $A, $B, $words[3], 16, 0xd4ef3085);
self::step($H, $B, $C, $D, $A, $words[6], 23, 0x04881d05);
self::step($H, $A, $B, $C, $D, $words[9], 4, 0xd9d4d039);
self::step($H, $D, $A, $B, $C, $words[12], 11, 0xe6db99e5);
self::step($H, $C, $D, $A, $B, $words[15], 16, 0x1fa27cf8);
self::step($H, $B, $C, $D, $A, $words[2], 23, 0xc4ac5665);
// ROUND 4
self::step($I, $A, $B, $C, $D, $words[0], 6, 0xf4292244);
self::step($I, $D, $A, $B, $C, $words[7], 10, 0x432aff97);
self::step($I, $C, $D, $A, $B, $words[14], 15, 0xab9423a7);
self::step($I, $B, $C, $D, $A, $words[5], 21, 0xfc93a039);
self::step($I, $A, $B, $C, $D, $words[12], 6, 0x655b59c3);
self::step($I, $D, $A, $B, $C, $words[3], 10, 0x8f0ccc92);
self::step($I, $C, $D, $A, $B, $words[10], 15, 0xffeff47d);
self::step($I, $B, $C, $D, $A, $words[1], 21, 0x85845dd1);
self::step($I, $A, $B, $C, $D, $words[8], 6, 0x6fa87e4f);
self::step($I, $D, $A, $B, $C, $words[15], 10, 0xfe2ce6e0);
self::step($I, $C, $D, $A, $B, $words[6], 15, 0xa3014314);
self::step($I, $B, $C, $D, $A, $words[13], 21, 0x4e0811a1);
self::step($I, $A, $B, $C, $D, $words[4], 6, 0xf7537e82);
self::step($I, $D, $A, $B, $C, $words[11], 10, 0xbd3af235);
self::step($I, $C, $D, $A, $B, $words[2], 15, 0x2ad7d2bb);
self::step($I, $B, $C, $D, $A, $words[9], 21, 0xeb86d391);
$this->a = ($this->a + $A) & self::$allOneBits;
$this->b = ($this->b + $B) & self::$allOneBits;
$this->c = ($this->c + $C) & self::$allOneBits;
$this->d = ($this->d + $D) & self::$allOneBits;
}
private static function f(int $X, int $Y, int $Z): int
{
return ($X & $Y) | ((~$X) & $Z); // X AND Y OR NOT X AND Z
}
private static function g(int $X, int $Y, int $Z): int
{
return ($X & $Z) | ($Y & (~$Z)); // X AND Z OR Y AND NOT Z
}
private static function h(int $X, int $Y, int $Z): int
{
return $X ^ $Y ^ $Z; // X XOR Y XOR Z
}
private static function i(int $X, int $Y, int $Z): int
{
return $Y ^ ($X | (~$Z)); // Y XOR (X OR NOT Z)
}
/** @param float|int $t may be float on 32-bit system */
private static function step(callable $func, int &$A, int $B, int $C, int $D, int $M, int $s, $t): void
{
$t = self::signedInt($t);
$A = (int) ($A + call_user_func($func, $B, $C, $D) + $M + $t) & self::$allOneBits;
$A = self::rotate($A, $s);
$A = (int) ($B + $A) & self::$allOneBits;
}
/** @param float|int $result may be float on 32-bit system */
private static function signedInt($result): int
{
return is_int($result) ? $result : (int) (PHP_INT_MIN + $result - 1 - PHP_INT_MAX);
}
private static function rotate(int $decimal, int $bits): int
{
$binary = str_pad(decbin($decimal), 32, '0', STR_PAD_LEFT);
return self::signedInt(bindec(substr($binary, $bits) . substr($binary, 0, $bits)));
}
}
Developer
Welcome to the Kueue Pay Payment Gateway Solutions Developer API Documentation. This comprehensive guide will empower you to seamlessly integrate our advanced payment gateway into your website, enhancing your customers’ payment experience and enabling efficient transaction processing. The Kueue Pay Developer API is designed for developers and entrepreneurs who seek simplicity, security, and reliability in their payment processing solutions.
The Kueue Pay Developer API allows you to seamlessly integrate Kueue Pay’s Payment Gateway Solutions into your website, enabling secure and efficient debit and credit card transactions. With our API, you can initiate payments, check payment statuses, and even process refunds, all while ensuring a smooth and streamlined payment experience for your customers.