js md5加密和 java后台md5加密

来源：互联网发布：怎样下载硕鼠软件编辑：程序博客网时间：2024/05/22 14:30
在前端加密时，看过网上有很多人说js加密后的密码和后台Java加密后的密码不一致。的确md5的js和java都有好几种方式。不过加密之后出现结果不一样有好几种原因吧，第一种就是编码，第二种就是数据加密前做了不同处理，分没处理，做Hex处理，做base64处理。
密码加密这个过程一般都是在前端，不过安卓和js上可能都会有加密问题。所以
<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE8" ><title>测试MD5</title></head><script>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(string) {var lWordCount;var lMessageLength = string.length;var lNumberOfWordsTempOne = lMessageLength + 8;var lNumberOfWordsTempTwo = (lNumberOfWordsTempOne - (lNumberOfWordsTempOne % 64)) / 64;var lNumberOfWords = (lNumberOfWordsTempTwo + 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;};var wordToHex = function(lValue) {var WordToHexValue = "", WordToHexValueTemp = "", lByte, 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 uTF8Encode = function(string) {string = string.replace(/\x0d\x0a/g, "\x0a");var output = "";for (var n = 0; n < string.length; n++) {var c = string.charCodeAt(n);if (c < 128) {output += String.fromCharCode(c);} else if ((c > 127) && (c < 2048)) {output += String.fromCharCode((c >> 6) | 192);output += String.fromCharCode((c & 63) | 128);} else {output += String.fromCharCode((c >> 12) | 224);output += String.fromCharCode(((c >> 6) & 63) | 128);output += String.fromCharCode((c & 63) | 128);}}return output;};function md5(string) {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 = uTF8Encode(string);x = 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 = 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 tempValue = wordToHex(a) + wordToHex(b) + wordToHex(c) + wordToHex(d);return tempValue.toLowerCase();}alert("我爱祖国=" + md5("胡银波111111"));</script><body></body></html>
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