fastmoss Fm-Sign加密字段破解

fastmoss/test.js

@@ -0,0 +1,36 @@
+const crypto = require('crypto');
+
+function encryptMD5(data) {
+    const hash = crypto.createHash('md5');
+    hash.update(data);
+    return hash.digest('hex');
+}
+
+function encryptParams(g) {
+    var O = {
+        "salt": "asjdfoaur3ur829322"
+    }
+        , X = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : ""
+        , J = Object.keys(g).sort()
+        , me = "";
+    J.forEach(function (Rn) {
+        me += Rn + g[Rn] + O.salt
+    });
+
+    for (var Ce = encryptMD5(me + X), Ze = "", Sn = 0, Ke = Ce.length - 1; Sn < Ce.length && !(Sn >= Ke); Sn++,
+        Ke--)
+        Ze += (parseInt(Ce[Sn], 16) ^ parseInt(Ce[Ke], 16)).toString(16);
+    var dn = Ze + Ce.substring(Sn);
+    return dn
+}
+
+
+g = {
+    "_time": 1720545957, // Math.floor(Date.now() / 1000) 时间戳
+    "cnonce": 53701680 // Math.floor(10000000 + Math.random() * 90000000) 随机数
+};
+
+da = ''; // 有点接口是带d加盐的{"type":{"headers":{"lang":"ZH_CN"}}}
+
+console.log(encryptParams(g, da));
+