oldwu's Blog - md5
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items: js实现md5加密

js实现md5加密
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date: 2022-01-18T13:10:00+08:00
description: 直接复制引入就可以CDN 地址： /* * JavaScript MD5 * https://github.com/blueimp/JavaScript-MD5 * * Copyright 2011, Sebastian Tschan * https://blueimp.net * * Licensed under the MIT license: * https://opensource.org/licenses/MIT * * Based on * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message * Digest Algorithm, as defined in RFC 1321. * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet * Distributed under the BSD License * See http://pajhome.org.uk/crypt/md5 for more info. */ /* global define */ ;(function ($) { 'use strict' /* * Add integers, wrapping at 2^32. This uses 16-bit operations internally * to work around bugs in some JS interpreters. */ function safeAdd (x, y) { var lsw = (x & 0xffff) + (y & 0xffff) var msw = (x >> 16) + (y >> 16) + (lsw >> 16) return (msw << 16) | (lsw & 0xffff) } /* * Bitwise rotate a 32-bit number to the left. */ function bitRotateLeft (num, cnt) { return (num << cnt) | (num >>> (32 - cnt)) } /* * These functions implement the four basic operations the algorithm uses. */ function md5cmn (q, a, b, x, s, t) { return safeAdd(bitRotateLeft(safeAdd(safeAdd(a, q), safeAdd(x, t)), s), b) } function md5ff (a, b, c, d, x, s, t) { return md5cmn((b & c) | (~b & d), a, b, x, s, t) } function md5gg (a, b, c, d, x, s, t) { return md5cmn((b & d) | (c & ~d), a, b, x, s, t) } function md5hh (a, b, c, d, x, s, t) { return md5cmn(b ^ c ^ d, a, b, x, s, t) } function md5ii (a, b, c, d, x, s, t) { return md5cmn(c ^ (b | ~d), a, b, x, s, t) } /* * Calculate the MD5 of an array of little-endian words, and a bit length. */ function binlMD5 (x, len) { /* append padding */ x[len >> 5] |= 0x80 << (len % 32) x[((len + 64) >>> 9 << 4) + 14] = len var i var olda var oldb var oldc var oldd var a = 1732584193 var b = -271733879 var c = -1732584194 var d = 271733878 for (i = 0; i < x.length; i += 16) { olda = a oldb = b oldc = c oldd = d a = md5ff(a, b, c, d, x[i], 7, -680876936) d = md5ff(d, a,…