js md5 加密算法

最近在写一个h5的平台接口文档，跟他们的技术交流的时候发现这样一个问题：当参数中不含有中文的时候，使用md5加密的sign是一致的，但是如果带有中文参数，就会不一致。起初以为需要对中文进行Encode，使用各种Encode方法，都不能解决问题。百度搜索了js的md5加密算法，很给力，贴出来保存。

function md5(string) {function md5_RotateLeft(lValue, iShiftBits) {return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));}function md5_AddUnsigned(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);}}function md5_F(x, y, z) {return (x & y) | ((~x) & z);}function md5_G(x, y, z) {return (x & z) | (y & (~z));}function md5_H(x, y, z) {return (x ^ y ^ z);}function md5_I(x, y, z) {return (y ^ (x | (~z)));}function md5_FF(a, b, c, d, x, s, ac) {a = md5_AddUnsigned(a, md5_AddUnsigned(md5_AddUnsigned(md5_F(b, c, d), x), ac));return md5_AddUnsigned(md5_RotateLeft(a, s), b);};function md5_GG(a, b, c, d, x, s, ac) {a = md5_AddUnsigned(a, md5_AddUnsigned(md5_AddUnsigned(md5_G(b, c, d), x), ac));return md5_AddUnsigned(md5_RotateLeft(a, s), b);};function md5_HH(a, b, c, d, x, s, ac) {a = md5_AddUnsigned(a, md5_AddUnsigned(md5_AddUnsigned(md5_H(b, c, d), x), ac));return md5_AddUnsigned(md5_RotateLeft(a, s), b);};function md5_II(a, b, c, d, x, s, ac) {a = md5_AddUnsigned(a, md5_AddUnsigned(md5_AddUnsigned(md5_I(b, c, d), x), ac));return md5_AddUnsigned(md5_RotateLeft(a, s), b);};function md5_ConvertToWordArray(string) {var lWordCount;var lMessageLength = string.length;var lNumberOfWords_temp1 = lMessageLength + 8;var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;var lWordArray = 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] | (string.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;};function md5_WordToHex(lValue) {var WordToHexValue = "",WordToHexValue_temp = "",lByte, lCount;for (lCount = 0; lCount <= 3; lCount++) {lByte = (lValue >>> (lCount * 8)) & 255;WordToHexValue_temp = "0" + lByte.toString(16);WordToHexValue = WordToHexValue + WordToHexValue_temp.substr(WordToHexValue_temp.length - 2, 2);}return WordToHexValue;};function md5_Utf8Encode(string) {string = string.replace(/\r\n/g, "\n");var utftext = "";for (var n = 0; n < string.length; n++) {var c = string.charCodeAt(n);if (c < 128) {utftext += String.fromCharCode(c);} else if ((c > 127) && (c < 2048)) {utftext += String.fromCharCode((c >> 6) | 192);utftext += String.fromCharCode((c & 63) | 128);} else {utftext += String.fromCharCode((c >> 12) | 224);utftext += String.fromCharCode(((c >> 6) & 63) | 128);utftext += String.fromCharCode((c & 63) | 128);}}return utftext;};var x = Array();var k, AA, BB, CC, DD, a, b, c, d;var S11 = 7,S12 = 12,S13 = 17,S14 = 22;var S21 = 5,S22 = 9,S23 = 14,S24 = 20;var S31 = 4,S32 = 11,S33 = 16,S34 = 23;var S41 = 6,S42 = 10,S43 = 15,S44 = 21;string = md5_Utf8Encode(string);x = md5_ConvertToWordArray(string);a = 0x67452301;b = 0xEFCDAB89;c = 0x98BADCFE;d = 0x10325476;for (k = 0; k < x.length; k += 16) {AA = a;BB = b;CC = c;DD = d;a = md5_FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);d = md5_FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);c = md5_FF(c, d, a, b, x[k + 2], S13, 0x242070DB);b = md5_FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);a = md5_FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);d = md5_FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);c = md5_FF(c, d, a, b, x[k + 6], S13, 0xA8304613);b = md5_FF(b, c, d, a, x[k + 7], S14, 0xFD469501);a = md5_FF(a, b, c, d, x[k + 8], S11, 0x698098D8);d = md5_FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);c = md5_FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);b = md5_FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);a = md5_FF(a, b, c, d, x[k + 12], S11, 0x6B901122);d = md5_FF(d, a, b, c, x[k + 13], S12, 0xFD987193);c = md5_FF(c, d, a, b, x[k + 14], S13, 0xA679438E);b = md5_FF(b, c, d, a, x[k + 15], S14, 0x49B40821);a = md5_GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);d = md5_GG(d, a, b, c, x[k + 6], S22, 0xC040B340);c = md5_GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);b = md5_GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);a = md5_GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);d = md5_GG(d, a, b, c, x[k + 10], S22, 0x2441453);c = md5_GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);b = md5_GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);a = md5_GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);d = md5_GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);c = md5_GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);b = md5_GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);a = md5_GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);d = md5_GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);c = md5_GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);b = md5_GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);a = md5_HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);d = md5_HH(d, a, b, c, x[k + 8], S32, 0x8771F681);c = md5_HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);b = md5_HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);a = md5_HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);d = md5_HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);c = md5_HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);b = md5_HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);a = md5_HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);d = md5_HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);c = md5_HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);b = md5_HH(b, c, d, a, x[k + 6], S34, 0x4881D05);a = md5_HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);d = md5_HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);c = md5_HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);b = md5_HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);a = md5_II(a, b, c, d, x[k + 0], S41, 0xF4292244);d = md5_II(d, a, b, c, x[k + 7], S42, 0x432AFF97);c = md5_II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);b = md5_II(b, c, d, a, x[k + 5], S44, 0xFC93A039);a = md5_II(a, b, c, d, x[k + 12], S41, 0x655B59C3);d = md5_II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);c = md5_II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);b = md5_II(b, c, d, a, x[k + 1], S44, 0x85845DD1);a = md5_II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);d = md5_II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);c = md5_II(c, d, a, b, x[k + 6], S43, 0xA3014314);b = md5_II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);a = md5_II(a, b, c, d, x[k + 4], S41, 0xF7537E82);d = md5_II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);c = md5_II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);b = md5_II(b, c, d, a, x[k + 9], S44, 0xEB86D391);a = md5_AddUnsigned(a, AA);b = md5_AddUnsigned(b, BB);c = md5_AddUnsigned(c, CC);d = md5_AddUnsigned(d, DD);}return (md5_WordToHex(a) + md5_WordToHex(b) + md5_WordToHex(c) + md5_WordToHex(d)).toLowerCase();
}

js md5 加密算法相关推荐

js MD5加密处理
关于MD5: MD5.js是通过前台js加密的方式对用户信息,密码等私密信息进行加密处理的工具,也可称为插件. 在本案例中可以看到MD5共有6种加密方法: 1, hex_md5(value) 2, ...
md5加密算法原理及其GO语言实现
md5加密算法原理及其GO语言实现 MD5讯息摘要演算法(英语:MD5 Message-Digest Algorithm),一种被广泛使用的密码杂凑函数,可以产生出一个128位元(16位元组)的散列值 ...
c++Builder XE6 MD5 加密算法 BASE64 URL 编码
xe6,xe7 BASE64XE6 MD5 加密算法Delphifunction MD5(const texto: string): string; varidmd5: TIdHashMessageD ...
PHP md5和js md5保持一致的方法
PHP md5和js md5保持一致的方法方案1 : php echo md5(rawurlencode('wef中 321fw_@f13we fwe')); js console.log(md5( ...
一种增强的md5加密算法
一种增强的md5加密算法 2008-06-04 16:26:48 标签:加密算法 md5 一种增强的 [推送到技术圈] 版权声明:原创作品,谢绝转载!否则将追究法律责任. 一种增强的md5加密算法 ...
python md5加密解密_Python使用MD5加密算法对字符串进行加密操作示例
本文实例讲述了Python使用MD5加密算法对字符串进行加密操作.分享给大家供大家参考,具体如下: # encoding: utf-8 from __future__ import division ...
Md5加密算法的原理及应用
MD5是一个安全的散列算法,输入两个不同的明文不会得到相同的输出值,根据输出值,不能得到原始的明文,即其过程不可逆:所以要解密MD5没有现成的算法,只能用穷举法,把可能出现的明文,用MD5算法散列之后 ...
MD5加密算法与SHA加密算法
2.MD5加密 2.1 概述 Message Digest Algorithm MD5(中文名为消息摘要算法第五版)为计算机安全领域广泛使用的一种散列函数,用以提供消息的完整性保护.该算法的文件号为R ...
kso经验记录 --- c# 之MD5加密算法
MD5加密算法,是比较常用的,也是比较好用的,不论进行小项目还是大项目都要进行MD5加密,因为这是不可逆的. 下面来记录一下: 直接上算法 using System; using System.Sec ...
MD5加密算法（转）
一起谈谈MD5加密算法 MD5是一个安全的散列算法,输入两个不同的明文不会得到相同的输出值,根据输出值,不能得到原始的明文,即其过程不可逆:所以要解密MD5没有现成的算法,只能用穷举法,把可能出现的明 ...

js md5 加密算法

js md5 加密算法相关推荐

最新文章

热门文章