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微信小程序md5加密结果不正确
JavaScript md5中文加密结果不一致
js的md5加密方式，网上找到了很多示例，但都有一个问题：如果需要加密的文本里面有汉字的话，加密结果是不正确的，最起码和主流MD5网站的加密结果不一样，放到微信小程序端加密也同样有这个问题
下面代码是我在微信小程序中使用的，经过测试之后的，所有文本都能正确加密，最起码是和主流网站的加密结果是一致的
md5.js:
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();
}module.exports.md5 = md5使用：
const md5 = require('../new_md5.js')var txtStr = '测试加密文本,test,123456'var mdStr = md5.md5(txtStr)经过md5测试网站，加密结果是一致的
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