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這是一個md5 加密算法，直接使用 md5加密即可實現

本文講解的是如何摳出js，運行代碼

第一部：抓包

如圖

　　　　

第二步：調試，打斷點；

　　　　

第三步：找到js，扣出來；

　　　　

第四部：運行js文件；

　　

附js源碼：

var chrsz = 8;

function hex_md5(e) {
    return binl2hex(core_md5(str2binl(e), e.length * chrsz))
}
function b64_md5(e) {
    return binl2b64(core_md5(str2binl(e), e.length * chrsz))
}
function str_md5(e) {
    return binl2str(core_md5(str2binl(e), e.length * chrsz))
}
function hex_hmac_md5(e, t) {
    return binl2hex(core_hmac_md5(e, t))
}
function b64_hmac_md5(e, t) {
    return binl2b64(core_hmac_md5(e, t))
}
function str_hmac_md5(e, t) {
    return binl2str(core_hmac_md5(e, t))
}
function md5_vm_test() {
    return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72"
}
function core_md5(e, t) {
    e[t >> 5] |= 128 << t % 32,
    e[(t + 64 >>> 9 << 4) + 14] = t;
    var n = 1732584193
      , r = -271733879
      , i = -1732584194
      , s = 271733878;
    for (var o = 0; o < e.length; o += 16) {
        var u = n
          , a = r
          , f = i
          , l = s;
        n = md5_ff(n, r, i, s, e[o + 0], 7, -680876936),
        s = md5_ff(s, n, r, i, e[o + 1], 12, -389564586),
        i = md5_ff(i, s, n, r, e[o + 2], 17, 606105819),
        r = md5_ff(r, i, s, n, e[o + 3], 22, -1044525330),
        n = md5_ff(n, r, i, s, e[o + 4], 7, -176418897),
        s = md5_ff(s, n, r, i, e[o + 5], 12, 1200080426),
        i = md5_ff(i, s, n, r, e[o + 6], 17, -1473231341),
        r = md5_ff(r, i, s, n, e[o + 7], 22, -45705983),
        n = md5_ff(n, r, i, s, e[o + 8], 7, 1770035416),
        s = md5_ff(s, n, r, i, e[o + 9], 12, -1958414417),
        i = md5_ff(i, s, n, r, e[o + 10], 17, -42063),
        r = md5_ff(r, i, s, n, e[o + 11], 22, -1990404162),
        n = md5_ff(n, r, i, s, e[o + 12], 7, 1804603682),
        s = md5_ff(s, n, r, i, e[o + 13], 12, -40341101),
        i = md5_ff(i, s, n, r, e[o + 14], 17, -1502002290),
        r = md5_ff(r, i, s, n, e[o + 15], 22, 1236535329),
        n = md5_gg(n, r, i, s, e[o + 1], 5, -165796510),
        s = md5_gg(s, n, r, i, e[o + 6], 9, -1069501632),
        i = md5_gg(i, s, n, r, e[o + 11], 14, 643717713),
        r = md5_gg(r, i, s, n, e[o + 0], 20, -373897302),
        n = md5_gg(n, r, i, s, e[o + 5], 5, -701558691),
        s = md5_gg(s, n, r, i, e[o + 10], 9, 38016083),
        i = md5_gg(i, s, n, r, e[o + 15], 14, -660478335),
        r = md5_gg(r, i, s, n, e[o + 4], 20, -405537848),
        n = md5_gg(n, r, i, s, e[o + 9], 5, 568446438),
        s = md5_gg(s, n, r, i, e[o + 14], 9, -1019803690),
        i = md5_gg(i, s, n, r, e[o + 3], 14, -187363961),
        r = md5_gg(r, i, s, n, e[o + 8], 20, 1163531501),
        n = md5_gg(n, r, i, s, e[o + 13], 5, -1444681467),
        s = md5_gg(s, n, r, i, e[o + 2], 9, -51403784),
        i = md5_gg(i, s, n, r, e[o + 7], 14, 1735328473),
        r = md5_gg(r, i, s, n, e[o + 12], 20, -1926607734),
        n = md5_hh(n, r, i, s, e[o + 5], 4, -378558),
        s = md5_hh(s, n, r, i, e[o + 8], 11, -2022574463),
        i = md5_hh(i, s, n, r, e[o + 11], 16, 1839030562),
        r = md5_hh(r, i, s, n, e[o + 14], 23, -35309556),
        n = md5_hh(n, r, i, s, e[o + 1], 4, -1530992060),
        s = md5_hh(s, n, r, i, e[o + 4], 11, 1272893353),
        i = md5_hh(i, s, n, r, e[o + 7], 16, -155497632),
        r = md5_hh(r, i, s, n, e[o + 10], 23, -1094730640),
        n = md5_hh(n, r, i, s, e[o + 13], 4, 681279174),
        s = md5_hh(s, n, r, i, e[o + 0], 11, -358537222),
        i = md5_hh(i, s, n, r, e[o + 3], 16, -722521979),
        r = md5_hh(r, i, s, n, e[o + 6], 23, 76029189),
        n = md5_hh(n, r, i, s, e[o + 9], 4, -640364487),
        s = md5_hh(s, n, r, i, e[o + 12], 11, -421815835),
        i = md5_hh(i, s, n, r, e[o + 15], 16, 530742520),
        r = md5_hh(r, i, s, n, e[o + 2], 23, -995338651),
        n = md5_ii(n, r, i, s, e[o + 0], 6, -198630844),
        s = md5_ii(s, n, r, i, e[o + 7], 10, 1126891415),
        i = md5_ii(i, s, n, r, e[o + 14], 15, -1416354905),
        r = md5_ii(r, i, s, n, e[o + 5], 21, -57434055),
        n = md5_ii(n, r, i, s, e[o + 12], 6, 1700485571),
        s = md5_ii(s, n, r, i, e[o + 3], 10, -1894986606),
        i = md5_ii(i, s, n, r, e[o + 10], 15, -1051523),
        r = md5_ii(r, i, s, n, e[o + 1], 21, -2054922799),
        n = md5_ii(n, r, i, s, e[o + 8], 6, 1873313359),
        s = md5_ii(s, n, r, i, e[o + 15], 10, -30611744),
        i = md5_ii(i, s, n, r, e[o + 6], 15, -1560198380),
        r = md5_ii(r, i, s, n, e[o + 13], 21, 1309151649),
        n = md5_ii(n, r, i, s, e[o + 4], 6, -145523070),
        s = md5_ii(s, n, r, i, e[o + 11], 10, -1120210379),
        i = md5_ii(i, s, n, r, e[o + 2], 15, 718787259),
        r = md5_ii(r, i, s, n, e[o + 9], 21, -343485551),
        n = safe_add(n, u),
        r = safe_add(r, a),
        i = safe_add(i, f),
        s = safe_add(s, l)
    }
    return Array(n, r, i, s)
}
function md5_cmn(e, t, n, r, i, s) {
    return safe_add(bit_rol(safe_add(safe_add(t, e), safe_add(r, s)), i), n)
}
function md5_ff(e, t, n, r, i, s, o) {
    return md5_cmn(t & n | ~t & r, e, t, i, s, o)
}
function md5_gg(e, t, n, r, i, s, o) {
    return md5_cmn(t & r | n & ~r, e, t, i, s, o)
}
function md5_hh(e, t, n, r, i, s, o) {
    return md5_cmn(t ^ n ^ r, e, t, i, s, o)
}
function md5_ii(e, t, n, r, i, s, o) {
    return md5_cmn(n ^ (t | ~r), e, t, i, s, o)
}
function core_hmac_md5(e, t) {
    var n = str2binl(e);
    n.length > 16 && (n = core_md5(n, e.length * chrsz));
    var r = Array(16)
      , i = Array(16);
    for (var s = 0; s < 16; s++)
        r[s] = n[s] ^ 909522486,
        i[s] = n[s] ^ 1549556828;
    var o = core_md5(r.concat(str2binl(t)), 512 + t.length * chrsz);
    return core_md5(i.concat(o), 640)
}
function safe_add(e, t) {
    var n = (e & 65535) + (t & 65535)
      , r = (e >> 16) + (t >> 16) + (n >> 16);
    return r << 16 | n & 65535
}
function bit_rol(e, t) {
    return e << t | e >>> 32 - t
}
function str2binl(e) {
    var t = Array(), n = (1 << chrsz) - 1;
    for (var r = 0; r < e.length * chrsz; r += chrsz)
        t[r >> 5] |= (e.charCodeAt(r / chrsz) & n) << r % 32;
    return t
}
function binl2str(e) {
    var t = ""
      , n = (1 << chrsz) - 1;
    for (var r = 0; r < e.length * 32; r += chrsz)
        t += String.fromCharCode(e[r >> 5] >>> r % 32 & n);
    return t
}
function binl2hex(e) {
    var t = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"
      , n = "";
    for (var r = 0; r < e.length * 4; r++)
        n += t.charAt(e[r >> 2] >> r % 4 * 8 + 4 & 15) + t.charAt(e[r >> 2] >> r % 4 * 8 & 15);
    return n
}
function binl2b64(e) {
    var t = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
      , n = "";
    for (var r = 0; r < e.length * 4; r += 3) {
        var i = (e[r >> 2] >> 8 * (r % 4) & 255) << 16 | (e[r + 1 >> 2] >> 8 * ((r + 1) % 4) & 255) << 8 | e[r + 2 >> 2] >> 8 * ((r + 2) % 4) & 255;
        for (var s = 0; s < 4; s++)
            r * 8 + s * 6 > e.length * 32 ? n += b64pad : n += t.charAt(i >> 6 * (3 - s) & 63)
    }
    return n
}




function test(pwd){

    return hex_md5(pwd)
}

var pwd = '123456'

test(pwd)

這是一個非常簡單的js加密，適合入門學習教程

總結

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