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<?php class EAHashor { private $right32; public function __construct() { $this->right32 = ~((~0 << 16) << 16); } public function eaEncode($string){ $a = "67452301"; $b = "EFCDAB89"; $c = "98BADCFE"; $d = "10325476"; $words = $this->init($string); for($i = 0, $l = count($words) / 16 - 1; $i <= $l; $i++){ $A = $a; $B = $b; $C = $c; $D = $d; /* ROUND 1 */ $this->FF ($A, $B, $C, $D, $words[0 + ($i * 16)], 7, "d76aa478"); $this->FF ($D, $A, $B, $C, $words[1 + ($i * 16)], 12, "e8c7b756"); $this->FF ($C, $D, $A, $B, $words[2 + ($i * 16)], 17, "242070db"); $this->FF ($B, $C, $D, $A, $words[3 + ($i * 16)], 22, "c1bdceee"); $this->FF ($A, $B, $C, $D, $words[4 + ($i * 16)], 7, "f57c0faf"); $this->FF ($D, $A, $B, $C, $words[5 + ($i * 16)], 12, "4787c62a"); $this->FF ($C, $D, $A, $B, $words[6 + ($i * 16)], 17, "a8304613"); $this->FF ($B, $C, $D, $A, $words[7 + ($i * 16)], 22, "fd469501"); $this->FF ($A, $B, $C, $D, $words[8 + ($i * 16)], 7, "698098d8"); $this->FF ($D, $A, $B, $C, $words[9 + ($i * 16)], 12, "8b44f7af"); $this->FF ($C, $D, $A, $B, $words[10 + ($i * 16)], 17, "ffff5bb1"); $this->FF ($B, $C, $D, $A, $words[11 + ($i * 16)], 22, "895cd7be"); $this->FF ($A, $B, $C, $D, $words[12 + ($i * 16)], 7, "6b901122"); $this->FF ($D, $A, $B, $C, $words[13 + ($i * 16)], 12, "fd987193"); $this->FF ($C, $D, $A, $B, $words[14 + ($i * 16)], 17, "a679438e"); $this->FF ($B, $C, $D, $A, $words[15 + ($i * 16)], 22, "49b40821"); /* ROUND 2 */ $this->GG ($A, $B, $C, $D, $words[1 + ($i * 16)], 5, "f61e2562"); $this->GG ($D, $A, $B, $C, $words[6 + ($i * 16)], 9, "c040b340"); $this->GG ($C, $D, $A, $B, $words[11 + ($i * 16)], 14, "265e5a51"); $this->GG ($B, $C, $D, $A, $words[0 + ($i * 16)], 20, "e9b6c7aa"); $this->GG ($A, $B, $C, $D, $words[5 + ($i * 16)], 5, "d62f105d"); $this->GG ($D, $A, $B, $C, $words[10 + ($i * 16)], 9, "02441453"); $this->GG ($C, $D, $A, $B, $words[15 + ($i * 16)], 14, "d8a1e681"); $this->GG ($B, $C, $D, $A, $words[4 + ($i * 16)], 20, "e7d3fbc8"); $this->GG ($A, $B, $C, $D, $words[9 + ($i * 16)], 5, "21e1cde6"); $this->GG ($D, $A, $B, $C, $words[14 + ($i * 16)], 9, "c33707d6"); $this->GG ($C, $D, $A, $B, $words[3 + ($i * 16)], 14, "f4d50d87"); $this->GG ($B, $C, $D, $A, $words[8 + ($i * 16)], 20, "455a14ed"); $this->GG ($A, $B, $C, $D, $words[13 + ($i * 16)], 5, "a9e3e905"); $this->GG ($D, $A, $B, $C, $words[2 + ($i * 16)], 9, "fcefa3f8"); $this->GG ($C, $D, $A, $B, $words[7 + ($i * 16)], 14, "676f02d9"); $this->GG ($B, $C, $D, $A, $words[12 + ($i * 16)], 20, "8d2a4c8a"); /* ROUND 3 */ $this->HH ($A, $B, $C, $D, $words[5 + ($i * 16)], 4, "fffa3942"); $this->HH ($D, $A, $B, $C, $words[8 + ($i * 16)], 11, "8771f681"); //HH ($C, $D, $A, $B, $words[11 + ($i * 16)], 16, "6d9d6122"); //the line below has been changed to use 14 rather than 16 as seen in the commented line $this->HH ($C, $D, $A, $B, $words[11 + ($i * 16)], 14, "6d9d6122"); $this->HH ($B, $C, $D, $A, $words[14 + ($i * 16)], 23, "fde5380c"); $this->HH ($A, $B, $C, $D, $words[1 + ($i * 16)], 4, "a4beea44"); $this->HH ($D, $A, $B, $C, $words[4 + ($i * 16)], 11, "4bdecfa9"); $this->HH ($C, $D, $A, $B, $words[7 + ($i * 16)], 16, "f6bb4b60"); $this->HH ($B, $C, $D, $A, $words[10 + ($i * 16)], 23, "bebfbc70"); $this->HH ($A, $B, $C, $D, $words[13 + ($i * 16)], 4, "289b7ec6"); $this->HH ($D, $A, $B, $C, $words[0 + ($i * 16)], 11, "eaa127fa"); $this->HH ($C, $D, $A, $B, $words[3 + ($i * 16)], 16, "d4ef3085"); $this->HH ($B, $C, $D, $A, $words[6 + ($i * 16)], 23, "04881d05"); $this->HH ($A, $B, $C, $D, $words[9 + ($i * 16)], 4, "d9d4d039"); $this->HH ($D, $A, $B, $C, $words[12 + ($i * 16)], 11, "e6db99e5"); $this->HH ($C, $D, $A, $B, $words[15 + ($i * 16)], 16, "1fa27cf8"); $this->HH ($B, $C, $D, $A, $words[2 + ($i * 16)], 23, "c4ac5665"); /* ROUND 4 */ $this->II ($A, $B, $C, $D, $words[0 + ($i * 16)], 6, "f4292244"); $this->II ($D, $A, $B, $C, $words[7 + ($i * 16)], 10, "432aff97"); $this->II ($C, $D, $A, $B, $words[14 + ($i * 16)], 15, "ab9423a7"); $this->II ($B, $C, $D, $A, $words[5 + ($i * 16)], 21, "fc93a039"); $this->II ($A, $B, $C, $D, $words[12 + ($i * 16)], 6, "655b59c3"); $this->II ($D, $A, $B, $C, $words[3 + ($i * 16)], 10, "8f0ccc92"); $this->II ($C, $D, $A, $B, $words[10 + ($i * 16)], 15, "ffeff47d"); $this->II ($B, $C, $D, $A, $words[1 + ($i * 16)], 21, "85845dd1"); $this->II ($A, $B, $C, $D, $words[8 + ($i * 16)], 6, "6fa87e4f"); $this->II ($D, $A, $B, $C, $words[15 + ($i * 16)], 10, "fe2ce6e0"); $this->II ($C, $D, $A, $B, $words[6 + ($i * 16)], 15, "a3014314"); $this->II ($B, $C, $D, $A, $words[13 + ($i * 16)], 21, "4e0811a1"); $this->II ($A, $B, $C, $D, $words[4 + ($i * 16)], 6, "f7537e82"); $this->II ($D, $A, $B, $C, $words[11 + ($i * 16)], 10, "bd3af235"); $this->II ($C, $D, $A, $B, $words[2 + ($i * 16)], 15, "2ad7d2bb"); $this->II ($B, $C, $D, $A, $words[9 + ($i * 16)], 21, "eb86d391"); //this last line is used twice $this->II ($B, $C, $D, $A, $words[9 + ($i * 16)], 21, "eb86d391"); $this->addVars($a, $b, $c, $d, $A, $B, $C, $D); } $MD5 = ''; foreach (array($a, $b, $c, $d) as $x) { $MD5 .= implode('', array_reverse(str_split($this->leftpad($x, 8), 2))); } return $MD5; } /* General functions */ private function hexbin($str){ $hexbinmap = array( "0" => "0000", "1" => "0001", "2" => "0010", "3" => "0011" , "4" => "0100" , "5" => "0101" , "6" => "0110" , "7" => "0111" , "8" => "1000" , "9" => "1001" , "A" => "1010" , "a" => "1010" , "B" => "1011" , "b" => "1011" , "C" => "1100" , "c" => "1100" , "D" => "1101" , "d" => "1101" , "E" => "1110" , "e" => "1110" , "F" => "1111" , "f" => "1111"); $bin = ""; for ($i = 0; $i < strlen($str); $i++){ $bin .= $hexbinmap[$str[$i]]; } $bin = ltrim($bin, '0'); // echo "Original: ".$str." New: ".$bin."<br />"; return $bin; } private function strhex($str){ $hex = ""; for ($i = 0; $i < strlen($str); $i++){ $hex = $hex.$this->leftpad(dechex(ord($str[$i])), 2); } return $hex; } /* MD5-specific functions */ private function init($string){ $len = strlen($string) * 8; $hex = $this->strhex($string); // convert ascii string to hex $bin = $this->leftpad($this->hexbin($hex), $len); // convert hex string to bin $padded = $this->pad($bin); $padded = $this->pad($padded, 1, $len); $block = str_split($padded, 32); foreach ($block as &$b) { $b = implode('', array_reverse(str_split($b, 8))); } return $block; } private function pad($bin, $type=0, $len = 0){ if($type == 0){ $bin = $bin."1"; $buff = strlen($bin) % 512; if($buff != 448){ while(strlen($bin) % 512 != 448){ $bin = $bin."0"; } } } // append length (b) of string to latter 64 bits elseif($type == 1){ $bLen = $this->leftpad(decbin($len), 64); $bin .= implode('', array_reverse(str_split($bLen, 8))); } return $bin; } /* MD5 base functions */ private function F($X, $Y, $Z){ $X = $this->binarySafeHexDec($X); $Y = $this->binarysafehexdec($Y); $Z = $this->binarysafehexdec($Z); $calc = (($X & $Y) | ((~ $X) & $Z)); // X AND Y OR NOT X AND Z return $calc; } private function G($X, $Y, $Z){ $X = $this->binarysafehexdec($X); $Y = $this->binarysafehexdec($Y); $Z = $this->binarysafehexdec($Z); $calc = (($X & $Z) | ($Y & (~ $Z))); // X AND Z OR Y AND NOT Z return $calc; } private function H($X, $Y, $Z){ $X = $this->binarysafehexdec($X); $Y = $this->binarysafehexdec($Y); $Z = $this->binarysafehexdec($Z); $calc = ($X ^ $Y ^ $Z); // X XOR Y XOR Z return $calc; } private function I($X, $Y, $Z){ $X = $this->binarysafehexdec($X); $Y = $this->binarysafehexdec($Y); $Z = $this->binarysafehexdec($Z); $calc = ($Y ^ ($X | (~ $Z))) ; // Y XOR (X OR NOT Z) return $calc; } /* MD5 round functions */ /* $A - hex, $B - hex, $C - hex, $D - hex (F - dec) $M - binary $s - decimal $t - hex */ private function FF(&$A, $B, $C, $D, $M, $s, $t){ $A = $this->binarysafehexdec($A); $t = $this->binarysafehexdec($t); $M = $this->binarysafebindec($M); echo "A: $A\nt: $t\nM: $M\n"; $F = $this->F($B, $C, $D); echo "F: $F\n"; $A = $this->add($A, $F, $M, $t) & $this->right32; //decimal echo "4: $A\n"; $A = $this->rotate($A, $s); echo "5: $A\n"; $A = dechex($this->add($this->binarysafehexdec($B), $this->binarysafehexdec($A)) & $this->right32); echo "Result: $A\n\n"; } private function GG(&$A, $B, $C, $D, $M, $s, $t){ $A = $this->binarysafehexdec($A); $t = $this->binarysafehexdec($t); $M = $this->binarysafebindec($M); $A = $this->add($A, $this->G($B, $C, $D), $M, $t) & $this->right32; //decimal $A = $this->rotate($A, $s); $A = dechex($this->add($this->binarysafehexdec($B), $this->binarysafehexdec($A)) & $this->right32); } private function HH(&$A, $B, $C, $D, $M, $s, $t){ $A = $this->binarysafehexdec($A); $t = $this->binarysafehexdec($t); $M = $this->binarysafebindec($M); $A = $this->add($A, $this->H($B, $C, $D), $M, $t) & $this->right32; //decimal $A = $this->rotate($A, $s); $A = dechex($this->add($this->binarysafehexdec($B), $this->binarysafehexdec($A)) & $this->right32); } private function II(&$A, $B, $C, $D, $M, $s, $t){ $A = $this->binarysafehexdec($A); $t = $this->binarysafehexdec($t); $M = $this->binarysafebindec($M); $A = $this->add($A, $this->I($B, $C, $D), $M, $t) & $this->right32; //decimal $A = $this->rotate($A, $s); $A = dechex($this->add($this->binarysafehexdec($B), $this->binarysafehexdec($A)) & $this->right32); } private function rotate ($decimal, $bits) { return dechex(($decimal << $bits) | (($decimal >> (32 - $bits)) & (~(~0 << $bits) & $this->right32))); } private function addVars(&$a, &$b, &$c, &$d, $A, $B, $C, $D){ $A = $this->binarysafehexdec($A); $B = $this->binarysafehexdec($B); $C = $this->binarysafehexdec($C); $D = $this->binarysafehexdec($D); $aa = $this->binarysafehexdec($a); $bb = $this->binarysafehexdec($b); $cc = $this->binarysafehexdec($c); $dd = $this->binarysafehexdec($d); $aa = $this->add($aa, $A) & $this->right32; $bb = $this->add($bb, $B) & $this->right32; $cc = $this->add($cc, $C) & $this->right32; $dd = $this->add($dd, $D) & $this->right32; $a = dechex($aa); $b = dechex($bb); $c = dechex($cc); $d = dechex($dd); } private function leftpad($needs_padding, $alignment) { if (strlen($needs_padding) % $alignment) { $pad_amount = $alignment - strlen($needs_padding) % $alignment; $left_pad = implode('', array_fill(0, $pad_amount, '0')); $needs_padding = $left_pad . $needs_padding; } return $needs_padding; } private function binarySafeBinDec($bin) { $bits = array_reverse(str_split($bin, 1)); $result = 0; foreach ($bits as $position => $bit) { $result |= ((int) $bit) << $position; } return $result; } private function binarySafeHexDec($hex) { $h = str_split(substr(str_pad($hex, 8, '0', STR_PAD_LEFT), -8), 2); return (hexdec($h[0]) << 24) | (hexdec($h[1]) << 16) | (hexdec($h[2]) << 8) | hexdec($h[3]); } private function leftShiftByOne($intAsStr) { $p = unpack('N2', $intAsStr); return pack('N2', ($p[1] << 1) | (($p[2] >> 31) & 0x00000001), $p[2] << 1); } private function binarySafeAddition($a, $b) { // NB: we don't actually need 64 bits, but 40 bit integers are confusing $a = "\x00\x00\x00\x00" . pack('N', $a); $b = "\x00\x00\x00\x00" . pack('N', $b); $carry = $a & $b; $result = $a ^ $b; while ($carry != "\x00\x00\x00\x00\x00\x00\x00\x00") { $shiftedcarry = $this->leftShiftByOne($carry); $carry = $result & $shiftedcarry; $result ^= $shiftedcarry; } return current(unpack('N', substr($result, 4))); } private function add() { $result = 0; foreach (func_get_args() as $int) { $result = $this->binarySafeAddition($result, $int); } return $result; } } $eahashor = new EAHashor(); $hash = $eahashor->eaEncode('test'); echo $hash;
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
A: 1732584193 t: 3614090360 M: 1953719668 F: 2562383102 4: 1272842731 5: 25ef04f5a5 Result: ded2a12e A: 271733878 t: 3905402710 M: 128 F: 3471375832 4: 3353545252 5: c7e30a24c7e Result: f74edac A: 2562383102 t: 606105819 M: 0 F: 4007240493 4: 2880762118 5: 15769e20d5769 Result: f1824515 A: 4023233417 t: 3250441966 M: 0 F: 256959790 4: 3235667877 5: 303717e9703717 Result: daf27c2c A: 3738345774 t: 4118548399 M: 0 F: 3582379396 4: 2849338977 5: 54eabb30d4 Result: c5adad00 A: 259321260 t: 1200080426 M: 0 F: 4037176341 4: 1201610731 5: 479f1feb479 Result: b7ac6179 A: 4051846421 t: 2821735955 M: 0 F: 3455991044 4: 1739638828 5: cf619058cf61 Result: 480530da A: 3673324588 t: 4249261313 M: 0 F: 2242686296 4: 1575337605 5: 17796fa157796f Result: e95caa49 A: 3316493568 t: 1770035416 M: 0 F: 1587831160 4: 2379392848 5: 46e953a846 Result: d2b0528f A: 3081527673 t: 2336552879 M: 0 F: 3356828249 4: 184974209 5: b067b810b0 Result: 3a68633f A: 1208299738 t: 4294925233 M: 0 F: 3543452239 4: 456742618 5: 3672adb43672 Result: e81c99b1 A: 3915164233 t: 2304563134 M: 0 F: 984105791 4: 2908865862 5: 2b587151ab5871 Result: 39c7f222 A: 3534770831 t: 1804603682 M: 0 F: 707563837 4: 1751971054 5: 34367a7734 Result: 70426956 A: 979919679 t: 4254626195 M: 0 F: 3093229731 4: 4032808309 5: f05fc575f05 Result: 6c99c85b A: 3894188465 t: 2792965006 M: 32 F: 1900444274 4: 4292630481 5: 1ffb8afa3ffb8 Result: 1c3dc813 A: 969404962 t: 1236535329 M: 0 F: 1817962839 4: 4023903130 5: 3bf5f8e6bbf5f8 Result: 2f9be0b 6337a43e8cd36058e80ae8cb4f465998

preferences:
246.86 ms | 408 KiB | 342 Q