Ts

cf-ep.py

@@ -0,0 +1,8 @@
+def decode(string: str, start: int = 0):
+    b = bytes.fromhex(string[start:])
+    b0 = b[0]
+    return "".join(chr(i ^ b0) for i in b[1:])
+
+
+if __name__ == "__main__":
+    decode("f09c9491b09c949c9491de939f9d", 0) # [email protected]