/website/source/php/strings/md5.html
HTML | 286 lines | 266 code | 20 blank | 0 comment | 0 complexity | 5a8ba6c5a4f84149619361c7faae9876 MD5 | raw file
- ---
- warning: 'This file is auto generated by `npm run web:inject`, do not edit by hand'
- examples:
- - md5('Kevin van Zonneveld')
- estarget: es5
- returns:
- - '''6e658d4bfcb59cc13f96c14450ac40b9'''
- dependencies: []
- authors:
- original by:
- - 'Webtoolkit.info (http://www.webtoolkit.info/)'
- improved by:
- - 'Michael White (http://getsprink.com)'
- - Jack
- - 'Kevin van Zonneveld (http://kvz.io)'
- bugfixed by:
- - 'Kevin van Zonneveld (http://kvz.io)'
- input by:
- - 'Brett Zamir (http://brett-zamir.me)'
- notes:
- - >-
- Keep in mind that in accordance with PHP, the whole string is buffered and
- then
- hashed. If available, we'd recommend using Node's native crypto modules
- directly
- in a steaming fashion for faster and more efficient hashing
- type: function
- layout: function
- title: PHP's md5 in JavaScript
- description: >-
- Here’s what our current JavaScript equivalent to <a
- href="http://php.net/manual/en/function.md5.php">PHP's md5</a> looks like.
- function: md5
- category: strings
- language: php
- permalink: php/strings/md5/
- alias:
- - /functions/php/md5/
- - /functions/strings/md5/
- - /php/md5/
- - /functions/md5/
- ---
- {% codeblock lang:javascript %}module.exports = function md5 (str) {
- // discuss at: http://locutus.io/php/md5/
- // original by: Webtoolkit.info (http://www.webtoolkit.info/)
- // improved by: Michael White (http://getsprink.com)
- // improved by: Jack
- // improved by: Kevin van Zonneveld (http://kvz.io)
- // input by: Brett Zamir (http://brett-zamir.me)
- // bugfixed by: Kevin van Zonneveld (http://kvz.io)
- // note 1: Keep in mind that in accordance with PHP, the whole string is buffered and then
- // note 1: hashed. If available, we'd recommend using Node's native crypto modules directly
- // note 1: in a steaming fashion for faster and more efficient hashing
- // example 1: md5('Kevin van Zonneveld')
- // returns 1: '6e658d4bfcb59cc13f96c14450ac40b9'
- var hash
- try {
- var crypto = require('crypto')
- var md5sum = crypto.createHash('md5')
- md5sum.update(str)
- hash = md5sum.digest('hex')
- } catch (e) {
- hash = undefined
- }
- if (hash !== undefined) {
- return hash
- }
- var utf8Encode = require('../xml/utf8_encode')
- var xl
- var _rotateLeft = function (lValue, iShiftBits) {
- return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits))
- }
- var _addUnsigned = function (lX, lY) {
- var lX4, lY4, lX8, lY8, lResult
- lX8 = (lX & 0x80000000)
- lY8 = (lY & 0x80000000)
- lX4 = (lX & 0x40000000)
- lY4 = (lY & 0x40000000)
- lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF)
- if (lX4 & lY4) {
- return (lResult ^ 0x80000000 ^ lX8 ^ lY8)
- }
- if (lX4 | lY4) {
- if (lResult & 0x40000000) {
- return (lResult ^ 0xC0000000 ^ lX8 ^ lY8)
- } else {
- return (lResult ^ 0x40000000 ^ lX8 ^ lY8)
- }
- } else {
- return (lResult ^ lX8 ^ lY8)
- }
- }
- var _F = function (x, y, z) {
- return (x & y) | ((~x) & z)
- }
- var _G = function (x, y, z) {
- return (x & z) | (y & (~z))
- }
- var _H = function (x, y, z) {
- return (x ^ y ^ z)
- }
- var _I = function (x, y, z) {
- return (y ^ (x | (~z)))
- }
- var _FF = function (a, b, c, d, x, s, ac) {
- a = _addUnsigned(a, _addUnsigned(_addUnsigned(_F(b, c, d), x), ac))
- return _addUnsigned(_rotateLeft(a, s), b)
- }
- var _GG = function (a, b, c, d, x, s, ac) {
- a = _addUnsigned(a, _addUnsigned(_addUnsigned(_G(b, c, d), x), ac))
- return _addUnsigned(_rotateLeft(a, s), b)
- }
- var _HH = function (a, b, c, d, x, s, ac) {
- a = _addUnsigned(a, _addUnsigned(_addUnsigned(_H(b, c, d), x), ac))
- return _addUnsigned(_rotateLeft(a, s), b)
- }
- var _II = function (a, b, c, d, x, s, ac) {
- a = _addUnsigned(a, _addUnsigned(_addUnsigned(_I(b, c, d), x), ac))
- return _addUnsigned(_rotateLeft(a, s), b)
- }
- var _convertToWordArray = function (str) {
- var lWordCount
- var lMessageLength = str.length
- var lNumberOfWordsTemp1 = lMessageLength + 8
- var lNumberOfWordsTemp2 = (lNumberOfWordsTemp1 - (lNumberOfWordsTemp1 % 64)) / 64
- var lNumberOfWords = (lNumberOfWordsTemp2 + 1) * 16
- var lWordArray = new Array(lNumberOfWords - 1)
- var lBytePosition = 0
- var lByteCount = 0
- while (lByteCount < lMessageLength) {
- lWordCount = (lByteCount - (lByteCount % 4)) / 4
- lBytePosition = (lByteCount % 4) * 8
- lWordArray[lWordCount] = (lWordArray[lWordCount] |
- (str.charCodeAt(lByteCount) << lBytePosition))
- lByteCount++
- }
- lWordCount = (lByteCount - (lByteCount % 4)) / 4
- lBytePosition = (lByteCount % 4) * 8
- lWordArray[lWordCount] = lWordArray[lWordCount] | (0x80 << lBytePosition)
- lWordArray[lNumberOfWords - 2] = lMessageLength << 3
- lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29
- return lWordArray
- }
- var _wordToHex = function (lValue) {
- var wordToHexValue = ''
- var wordToHexValueTemp = ''
- var lByte
- var lCount
- for (lCount = 0; lCount <= 3; lCount++) {
- lByte = (lValue >>> (lCount * 8)) & 255
- wordToHexValueTemp = '0' + lByte.toString(16)
- wordToHexValue = wordToHexValue + wordToHexValueTemp.substr(wordToHexValueTemp.length - 2, 2)
- }
- return wordToHexValue
- }
- var x = []
- var k
- var AA
- var BB
- var CC
- var DD
- var a
- var b
- var c
- var d
- var S11 = 7
- var S12 = 12
- var S13 = 17
- var S14 = 22
- var S21 = 5
- var S22 = 9
- var S23 = 14
- var S24 = 20
- var S31 = 4
- var S32 = 11
- var S33 = 16
- var S34 = 23
- var S41 = 6
- var S42 = 10
- var S43 = 15
- var S44 = 21
- str = utf8Encode(str)
- x = _convertToWordArray(str)
- a = 0x67452301
- b = 0xEFCDAB89
- c = 0x98BADCFE
- d = 0x10325476
- xl = x.length
- for (k = 0; k < xl; k += 16) {
- AA = a
- BB = b
- CC = c
- DD = d
- a = _FF(a, b, c, d, x[k + 0], S11, 0xD76AA478)
- d = _FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756)
- c = _FF(c, d, a, b, x[k + 2], S13, 0x242070DB)
- b = _FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE)
- a = _FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF)
- d = _FF(d, a, b, c, x[k + 5], S12, 0x4787C62A)
- c = _FF(c, d, a, b, x[k + 6], S13, 0xA8304613)
- b = _FF(b, c, d, a, x[k + 7], S14, 0xFD469501)
- a = _FF(a, b, c, d, x[k + 8], S11, 0x698098D8)
- d = _FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF)
- c = _FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1)
- b = _FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE)
- a = _FF(a, b, c, d, x[k + 12], S11, 0x6B901122)
- d = _FF(d, a, b, c, x[k + 13], S12, 0xFD987193)
- c = _FF(c, d, a, b, x[k + 14], S13, 0xA679438E)
- b = _FF(b, c, d, a, x[k + 15], S14, 0x49B40821)
- a = _GG(a, b, c, d, x[k + 1], S21, 0xF61E2562)
- d = _GG(d, a, b, c, x[k + 6], S22, 0xC040B340)
- c = _GG(c, d, a, b, x[k + 11], S23, 0x265E5A51)
- b = _GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA)
- a = _GG(a, b, c, d, x[k + 5], S21, 0xD62F105D)
- d = _GG(d, a, b, c, x[k + 10], S22, 0x2441453)
- c = _GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681)
- b = _GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8)
- a = _GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6)
- d = _GG(d, a, b, c, x[k + 14], S22, 0xC33707D6)
- c = _GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87)
- b = _GG(b, c, d, a, x[k + 8], S24, 0x455A14ED)
- a = _GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905)
- d = _GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8)
- c = _GG(c, d, a, b, x[k + 7], S23, 0x676F02D9)
- b = _GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A)
- a = _HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942)
- d = _HH(d, a, b, c, x[k + 8], S32, 0x8771F681)
- c = _HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122)
- b = _HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C)
- a = _HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44)
- d = _HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9)
- c = _HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60)
- b = _HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70)
- a = _HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6)
- d = _HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA)
- c = _HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085)
- b = _HH(b, c, d, a, x[k + 6], S34, 0x4881D05)
- a = _HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039)
- d = _HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5)
- c = _HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8)
- b = _HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665)
- a = _II(a, b, c, d, x[k + 0], S41, 0xF4292244)
- d = _II(d, a, b, c, x[k + 7], S42, 0x432AFF97)
- c = _II(c, d, a, b, x[k + 14], S43, 0xAB9423A7)
- b = _II(b, c, d, a, x[k + 5], S44, 0xFC93A039)
- a = _II(a, b, c, d, x[k + 12], S41, 0x655B59C3)
- d = _II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92)
- c = _II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D)
- b = _II(b, c, d, a, x[k + 1], S44, 0x85845DD1)
- a = _II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F)
- d = _II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0)
- c = _II(c, d, a, b, x[k + 6], S43, 0xA3014314)
- b = _II(b, c, d, a, x[k + 13], S44, 0x4E0811A1)
- a = _II(a, b, c, d, x[k + 4], S41, 0xF7537E82)
- d = _II(d, a, b, c, x[k + 11], S42, 0xBD3AF235)
- c = _II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB)
- b = _II(b, c, d, a, x[k + 9], S44, 0xEB86D391)
- a = _addUnsigned(a, AA)
- b = _addUnsigned(b, BB)
- c = _addUnsigned(c, CC)
- d = _addUnsigned(d, DD)
- }
- var temp = _wordToHex(a) + _wordToHex(b) + _wordToHex(c) + _wordToHex(d)
- return temp.toLowerCase()
- }
- {% endcodeblock %}