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這是一個md5 加密算法,直接使用 md5加密便可實現學習
本文講解的是如何摳出js,運行代碼加密
第一部:抓包spa
如圖 調試
第二步:調試,打斷點;code
第三步:找到js,扣出來;blog
第四部:運行js文件;教程
附js源碼:md5
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)
這是一個很是簡單的js加密,適合入門學習教程get