这是一个简单的md5加密，可以学习一下js加密的破解流程，当一个入门级的教程
第一步：请求抓包
password是32位的字母和数字组合，猜测可能是md5加密，我们md5在线工具上试一下
发现我们的猜测是完全正确的
第二步：搜索js加密字段
第三步： 静态分析js，打断点
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第四步： 扣js代码，调试js代码
第五步：运行结果
第六步：源码
function md5(args) { function hex_md5(s) { return binl2hex(core_md5(str2binl(s), s.length * chrsz)) } function core_md5(x, len) { x[len >> 5] |= 128 << len % 32, x[14 + (len + 64 >>> 9 << 4)] = len; for (var a = 1732584193, b = -271733879, c = -1732584194, d = 271733878, i = 0; i < x.length; i += 16) { var olda = a , oldb = b , oldc = c , oldd = d; a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936), d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586), c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819), b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330), a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897), d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426), c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341), b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983), a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416), d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417), c = md5_ff(c, d, a, b, x[i + 10], 17, -42063), b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162), a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682), d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101), c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290), b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329), a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510), d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632), c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713), b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302), a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691), d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083), c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335), b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848), a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438), d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690), c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961), b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501), a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467), d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784), c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473), b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734), a = md5_hh(a, b, c, d, x[i + 5], 4, -378558), d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463), c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562), b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556), a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060), d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353), c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632), b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640), a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174), d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222), c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979), b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189), a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487), d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835), c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520), b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651), a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844), d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415), c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905), b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055), a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571), d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606), c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523), b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799), a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359), d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744), c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380), b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649), a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070), d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379), c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259), b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551), a = safe_add(a, olda), b = safe_add(b, oldb), c = safe_add(c, oldc), d = safe_add(d, oldd) } return Array(a, b, c, d) } function md5_cmn(q, a, b, x, s, t) { return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b) } function md5_ff(a, b, c, d, x, s, t) { return md5_cmn(b & c | ~b & d, a, b, x, s, t) } function md5_gg(a, b, c, d, x, s, t) { return md5_cmn(b & d | c & ~d, a, b, x, s, t) } function md5_hh(a, b, c, d, x, s, t) { return md5_cmn(b ^ c ^ d, a, b, x, s, t) } function md5_ii(a, b, c, d, x, s, t) { return md5_cmn(c ^ (b | ~d), a, b, x, s, t) } function safe_add(x, y) { var lsw = (65535 & x) + (65535 & y); return (x >> 16) + (y >> 16) + (lsw >> 16) << 16 | 65535 & lsw } function bit_rol(num, cnt) { return num << cnt | num >>> 32 - cnt } function str2binl(str) { for (var bin = Array(), mask = (1 << chrsz) - 1, i = 0; i < str.length * chrsz; i += chrsz) bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << i % 32; return bin } function binl2hex(binarray) { for (var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef", str = "", i = 0; i < 4 * binarray.length; i++) str += hex_tab.charAt(binarray[i >> 2] >> i % 4 * 8 + 4 & 15) + hex_tab.charAt(binarray[i >> 2] >> i % 4 * 8 & 15); return str } var hexcase = 0 , chrsz = 8; return hex_md5(args) } console.log(md5('123456'))