Initialize encryption and JavaScript reverse-engineering study repository

Document the project structure and setup while excluding local dependencies and IDE settings. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-10-09 23:25:05 +08:00
commit 418a0411d1
34 changed files with 1544 additions and 0 deletions
--- a/魔改算法-2026-08-28/实战案例-吉林长春产权交易中心/js解密.js
+++ b/魔改算法-2026-08-28/实战案例-吉林长春产权交易中心/js解密.js
@@ -0,0 +1,130 @@
+var b = function () {
+    function t() {
+        this.codeStr = "",
+            this.pubPass = "BX1o65CoobwcDP33iQW6ld1OyIPsNzF1",
+            this.pubPassNum = [],
+            this.publicKey = "",
+            this.setPass(this.pubPass)
+    }
+
+    return t.prototype.encode = function (t) {
+        var e = "";
+        try {
+            e = JSON.stringify(t)
+        } catch (n) {
+            return console.error(n + "这不是一个正确的json对象"),
+                ""
+        }
+        return this.encryptCode(e)
+    }
+        ,
+        t.prototype.decode = function (t) {
+            var e;
+            try {
+                e = JSON.parse(this.decryptCode(t))
+            } catch (n) {
+                return void console.error(n + "json对象转出失败")
+            }
+            return e
+        }
+        ,
+        t.prototype.encryptCode = function (t) {
+            for (var e = encodeURI(t), n = [], i = 0, r = "", o = this.random(16, 32), a = this.randomStr(o), c = this.stringChangeASCIINumberArrs(a), s = 0, u = 0, l = 0, h = 0; h < e.length; h++)
+                i = e.charCodeAt(h),
+                s == this.pubPassNum.length && (s = 0),
+                    i += this.pubPassNum[s],
+                    s++,
+                u == c.length && (u = 0),
+                    i += c[u],
+                    u++,
+                    l += i,
+                l > 65535 && (l -= 65535),
+                    r = i.toString(36),
+                    r = ("00" + r).substr(-2, 2),
+                1 == r.length && (r = "0" + r),
+                    n.push(r);
+            var f = "";
+            return f = l.toString(36),
+                f = ("0000" + r).substr(-4, 4),
+                n.unshift(a),
+                n.unshift(o.toString(36)),
+                n.unshift(f),
+                n.join("")
+        }
+        ,
+        t.prototype.decryptCode = function (t) {
+            var e = ""
+                , n = 0
+                , i = ""
+                , r = []
+                , o = []
+                , a = 0
+                , c = 0;
+            e = t.substr(4, 1),
+                n = parseInt(e, 36),
+                i = t.substr(5, n),
+                r = this.stringChangeASCIINumberArrs(i),
+                e = t.substr(5 + n, t.length - 5 - n);
+            for (var s = "", u = 0, l = 0, h = 0; h < e.length / 2; h++)
+                s = e.substr(l, 2),
+                    l += 2,
+                    u = parseInt(s, 36),
+                c == r.length && (c = 0),
+                    u -= r[c],
+                    c++,
+                a == this.pubPass.length && (a = 0),
+                    u -= this.pubPassNum[a],
+                    a++,
+                    s = String.fromCharCode(u),
+                    o.push(s);
+            return e = o.join(""),
+                e = decodeURI(e),
+                e
+        }
+        ,
+        t.prototype.setPass = function (t) {
+            this.pubPassNum = this.stringChangeASCIINumberArrs(t)
+        }
+        ,
+        t.prototype.stringChangeASCIINumberArrs = function (t) {
+            for (var e = [], n = 0; n < t.length; n++)
+                e.push(t.charCodeAt(n));
+            return e
+        }
+        ,
+        t.prototype.random = function (t, e) {
+            return void 0 === t && (t = 0),
+            void 0 === e && (e = 1e4),
+                Math.floor(Math.random() * (e - t) + t)
+        }
+        ,
+        t.prototype.randomStr = function (t) {
+            for (var e = [], n = 0; n < t; n++)
+                e.push(this.random(0, 35).toString(36));
+            return e.join("")
+        }
+        ,
+        t
+}()
+
+function encrypt_payload(page) {
+    const aes = new b;
+    const data = {
+        "id": "ru9dz050bkg8oy3j",
+        "projectKey": "honsan_cloud_ccprec",
+        "clientKey": "ru9dyul1ixcuvpdn",
+        "token": null,
+        "clientDailyData": {},
+        "acts": [{
+            "id": "ru9dz04zw4wp164f",
+            "fullPath": "/ccprec.com.cn.web/client/info/cqweb_nonphy_cqzr",
+            "args": [page, 20, null]
+        }]
+    };
+    return aes.encode(JSON.stringify(data));
+}
+
+function decrypt_data(enc_data) {
+    const aes = new b;
+    return aes.decode(enc_data)
+}