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7天啊绝望的时候许上一个愿:来世一定做个合格的IT民工

2012-08-14 
7天啊,绝望的时候许下一个愿:来世一定做个合格的IT民工!“做个这样的接口,用C语言写”“嗯,这个简单结果……,第

7天啊,绝望的时候许下一个愿:来世一定做个合格的IT民工!
“做个这样的接口,用C语言写”
“嗯,这个简单
结果……,第1天:-_-, 2天:-_-!, 3天:-_-!!!, 4天: @_@!!!, 5天,6天,7天:!@*&(@……!
曾经,在来这的坐车上,时间过得如此慢。

@brief /一个计算MD5值的C函数,支持中文,结果要和getmd5.html执行的结果一样

那一天,我的第一次!
十分钟:找到rfc1321文档,心想,这任务也太简单了吧,老大真的……,于是准备把古老的代码排版漂亮些;
二十分钟:代码美化完毕,测试下。求“hello world”md5没问题,搞定。
无聊,输入“我是天才”测试下, 结果,结果凌乱了,难道代码,不对,是上天嫉妒我?
于是输入,“我就是天才”,结果,结果……。
恩,于是google, 百度, bing ===》》 编码问题?转UTF-8?还是……!

我就像一只小船,从此迷失在代码的海洋里……,7天啊,各种版本md5,各种转码,……恨不得甲骨文都转下。
似乎快到岸边的时候,被一阵大浪打得windows当成了linux!!!!

终于,想起小船上还有女友送我的一个许愿瓶,我拆开里面拆好的桃心,附上仅有的100大洋,用血写下了一个愿望“上天你就不要再嫉妒我了,让我过了吧”!

getmd5.html

HTML code
<html>//getmd5.html  另存为html文件就可以执行了<head><script type="text/javascript">var pt = {};function getmd5() {    var p = document.getElementById("p").value;    alert("\"" + p + "\"" + "的MD5值为" + md5(p));}function hexchar2bin(str) {    var arr = [];    for (var i = 0; i < str.length; i = i + 2) {        arr.push("\\x" + str.substr(i, 2))    }    arr = arr.join("");    eval("var temp = '" + arr + "'");    return temp}var hexcase = 1;var b64pad = "";var chrsz = 8;var mode = 32;function md5(A) {    return hex_md5(A)}function hex_md5(A) {    return binl2hex(core_md5(str2binl(A), A.length * chrsz))}function str_md5(A) {    return binl2str(core_md5(str2binl(A), A.length * chrsz))}function hex_hmac_md5(A, B) {    return binl2hex(core_hmac_md5(A, B))}function b64_hmac_md5(A, B) {    return binl2b64(core_hmac_md5(A, B))}function str_hmac_md5(A, B) {    return binl2str(core_hmac_md5(A, B))}function core_md5(K, F) {    K[F >> 5] |= 128 << ((F) % 32);    K[(((F + 64) >>> 9) << 4) + 14] = F;    var J = 1732584193;    var I = -271733879;    var H = -1732584194;    var G = 271733878;    for (var C = 0; C < K.length; C += 16) {        var E = J;        var D = I;        var B = H;        var A = G;        J = md5_ff(J, I, H, G, K[C + 0], 7, -680876936);        G = md5_ff(G, J, I, H, K[C + 1], 12, -389564586);        H = md5_ff(H, G, J, I, K[C + 2], 17, 606105819);        I = md5_ff(I, H, G, J, K[C + 3], 22, -1044525330);        J = md5_ff(J, I, H, G, K[C + 4], 7, -176418897);        G = md5_ff(G, J, I, H, K[C + 5], 12, 1200080426);        H = md5_ff(H, G, J, I, K[C + 6], 17, -1473231341);        I = md5_ff(I, H, G, J, K[C + 7], 22, -45705983);        J = md5_ff(J, I, H, G, K[C + 8], 7, 1770035416);        G = md5_ff(G, J, I, H, K[C + 9], 12, -1958414417);        H = md5_ff(H, G, J, I, K[C + 10], 17, -42063);        I = md5_ff(I, H, G, J, K[C + 11], 22, -1990404162);        J = md5_ff(J, I, H, G, K[C + 12], 7, 1804603682);        G = md5_ff(G, J, I, H, K[C + 13], 12, -40341101);        H = md5_ff(H, G, J, I, K[C + 14], 17, -1502002290);        I = md5_ff(I, H, G, J, K[C + 15], 22, 1236535329);        J = md5_gg(J, I, H, G, K[C + 1], 5, -165796510);        G = md5_gg(G, J, I, H, K[C + 6], 9, -1069501632);        H = md5_gg(H, G, J, I, K[C + 11], 14, 643717713);        I = md5_gg(I, H, G, J, K[C + 0], 20, -373897302);        J = md5_gg(J, I, H, G, K[C + 5], 5, -701558691);        G = md5_gg(G, J, I, H, K[C + 10], 9, 38016083);        H = md5_gg(H, G, J, I, K[C + 15], 14, -660478335);        I = md5_gg(I, H, G, J, K[C + 4], 20, -405537848);        J = md5_gg(J, I, H, G, K[C + 9], 5, 568446438);        G = md5_gg(G, J, I, H, K[C + 14], 9, -1019803690);        H = md5_gg(H, G, J, I, K[C + 3], 14, -187363961);        I = md5_gg(I, H, G, J, K[C + 8], 20, 1163531501);        J = md5_gg(J, I, H, G, K[C + 13], 5, -1444681467);        G = md5_gg(G, J, I, H, K[C + 2], 9, -51403784);        H = md5_gg(H, G, J, I, K[C + 7], 14, 1735328473);        I = md5_gg(I, H, G, J, K[C + 12], 20, -1926607734);        J = md5_hh(J, I, H, G, K[C + 5], 4, -378558);        G = md5_hh(G, J, I, H, K[C + 8], 11, -2022574463);        H = md5_hh(H, G, J, I, K[C + 11], 16, 1839030562);        I = md5_hh(I, H, G, J, K[C + 14], 23, -35309556);        J = md5_hh(J, I, H, G, K[C + 1], 4, -1530992060);        G = md5_hh(G, J, I, H, K[C + 4], 11, 1272893353);        H = md5_hh(H, G, J, I, K[C + 7], 16, -155497632);        I = md5_hh(I, H, G, J, K[C + 10], 23, -1094730640);        J = md5_hh(J, I, H, G, K[C + 13], 4, 681279174);        G = md5_hh(G, J, I, H, K[C + 0], 11, -358537222);        H = md5_hh(H, G, J, I, K[C + 3], 16, -722521979);        I = md5_hh(I, H, G, J, K[C + 6], 23, 76029189);        J = md5_hh(J, I, H, G, K[C + 9], 4, -640364487);        G = md5_hh(G, J, I, H, K[C + 12], 11, -421815835);        H = md5_hh(H, G, J, I, K[C + 15], 16, 530742520);        I = md5_hh(I, H, G, J, K[C + 2], 23, -995338651);        J = md5_ii(J, I, H, G, K[C + 0], 6, -198630844);        G = md5_ii(G, J, I, H, K[C + 7], 10, 1126891415);        H = md5_ii(H, G, J, I, K[C + 14], 15, -1416354905);        I = md5_ii(I, H, G, J, K[C + 5], 21, -57434055);        J = md5_ii(J, I, H, G, K[C + 12], 6, 1700485571);        G = md5_ii(G, J, I, H, K[C + 3], 10, -1894986606);        H = md5_ii(H, G, J, I, K[C + 10], 15, -1051523);        I = md5_ii(I, H, G, J, K[C + 1], 21, -2054922799);        J = md5_ii(J, I, H, G, K[C + 8], 6, 1873313359);        G = md5_ii(G, J, I, H, K[C + 15], 10, -30611744);        H = md5_ii(H, G, J, I, K[C + 6], 15, -1560198380);        I = md5_ii(I, H, G, J, K[C + 13], 21, 1309151649);        J = md5_ii(J, I, H, G, K[C + 4], 6, -145523070);        G = md5_ii(G, J, I, H, K[C + 11], 10, -1120210379);        H = md5_ii(H, G, J, I, K[C + 2], 15, 718787259);        I = md5_ii(I, H, G, J, K[C + 9], 21, -343485551);        J = safe_add(J, E);        I = safe_add(I, D);        H = safe_add(H, B);        G = safe_add(G, A)    }    if (mode == 16) {        return Array(I, H)    } else {        return Array(J, I, H, G)    }}function md5_cmn(F, C, B, A, E, D) {    return safe_add(bit_rol(safe_add(safe_add(C, F), safe_add(A, D)), E), B)}function md5_ff(C, B, G, F, A, E, D) {    return md5_cmn((B & G) | ((~B) & F), C, B, A, E, D)}function md5_gg(C, B, G, F, A, E, D) {    return md5_cmn((B & F) | (G & (~F)), C, B, A, E, D)}function md5_hh(C, B, G, F, A, E, D) {    return md5_cmn(B ^ G ^ F, C, B, A, E, D)}function md5_ii(C, B, G, F, A, E, D) {    return md5_cmn(G ^ (B | (~F)), C, B, A, E, D)}function core_hmac_md5(C, F) {    var E = str2binl(C);    if (E.length > 16) {        E = core_md5(E, C.length * chrsz)    }    var A = Array(16),    D = Array(16);    for (var B = 0; B < 16; B++) {        A[B] = E[B] ^ 909522486;        D[B] = E[B] ^ 1549556828    }    var G = core_md5(A.concat(str2binl(F)), 512 + F.length * chrsz);    return core_md5(D.concat(G), 512 + 128)}function safe_add(A, D) {    var C = (A & 65535) + (D & 65535);    var B = (A >> 16) + (D >> 16) + (C >> 16);    return (B << 16) | (C & 65535)}function bit_rol(A, B) {    return (A << B) | (A >>> (32 - B))}function str2binl(D) {    var C = Array();    var A = (1 << chrsz) - 1;    for (var B = 0; B < D.length * chrsz; B += chrsz) {        C[B >> 5] |= (D.charCodeAt(B / chrsz) & A) << (B % 32)    }    return C}function binl2str(C) {    var D = "";    var A = (1 << chrsz) - 1;    for (var B = 0; B < C.length * 32; B += chrsz) {        D += String.fromCharCode((C[B >> 5] >>> (B % 32)) & A)    }    return D}function binl2hex(C) {    var B = hexcase ? "0123456789ABCDEF": "0123456789abcdef";    var D = "";    for (var A = 0; A < C.length * 4; A++) {        D += B.charAt((C[A >> 2] >> ((A % 4) * 8 + 4)) & 15) + B.charAt((C[A >> 2] >> ((A % 4) * 8)) & 15)    }    return D}function binl2b64(D) {    var C = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";    var F = "";    for (var B = 0; B < D.length * 4; B += 3) {        var E = (((D[B >> 2] >> 8 * (B % 4)) & 255) << 16) | (((D[B + 1 >> 2] >> 8 * ((B + 1) % 4)) & 255) << 8) | ((D[B + 2 >> 2] >> 8 * ((B + 2) % 4)) & 255);        for (var A = 0; A < 4; A++) {            if (B * 8 + A * 6 > D.length * 32) {                F += b64pad            } else {                F += C.charAt((E >> 6 * (3 - A)) & 63)            }        }    }    return F}</script></head><body>请输入一个字符串:<input type="text" id="p" value="我"/><br /><input type="button" value="计算" onclick="getmd5()" /><br /></body></html> 



RFC1321:http://www.ietf.org/rfc/rfc1321.txt



[解决办法]
探讨

引用:
楼主应该把题目写成
"如何能让RFC1321中代码生成的MD5值和这个js代码的一样"

你楼主位扯的那些没用的东西无助于解决你的问题

RFC1321后面有几个测试用例,放到你给的网页中可以得到相同的結果
你还是看看你抄的代码有没有抄错吧


恩,不过后来我发现CSDN不让改啦,我的问题主要是md5计算中文的时候的问题,比如我字

[解决办法]
对电脑而言只有二进制字节,对人脑才有字母、汉字、字符串、MD5值、……
[解决办法]
js只有一种编码Unicode
[解决办法]
探讨

引用:
js只有一种编码Unicode


如果真是这样的话,我似乎明白了点,还是有点混乱,谢谢提醒!

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