Bambu Lab Authorization Control System: Difference between revisions

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 Example Python reimplementation to extract the secrets, easy to run. Copy the content of t from function cy() in main.js and paste it here. After running, you have a private key from Bambu Lab.
-<code>☁</code>
+<code>
+import urllib.parse
+def cy():
+    t = [
+		# copy from main.js
+	]
+    return t
+def ure(t, e):
+    # RC4 implementation
+    r = list(range(256))
+    n = 0
+    s = ""
+    # Key-scheduling algorithm (KSA)
+    for o in range(256):
+        n = (n + r[o] + ord(e[o % len(e)])) % 256
+        r[o], r[n] = r[n], r[o]
+    # Pseudo-random generation algorithm (PRGA)
+    o = n = 0
+    for byte in t:
+        o = (o + 1) % 256
+        n = (n + r[o]) % 256
+        r[o], r[n] = r[n], r[o]
+        k = r[(r[o] + r[n]) % 256]
+        s += chr(byte ^ k)
+    return s
+def lt(t, e):
+    r = cy()
+    n = t - 106
+    s = r[n]
+    s = ure(s, e)
+    return urllib.parse.unquote(s)
+def extract_certs_and_key():
+    try:
+        result = {}
+        result["Are"] = lt(106, "1o9B")
+        result["fre"] = lt(107, "FT2A")
+        result["private_key"] = lt(108, "Tlj0")
+        result["cert"] = lt(109, "NPub")
+        result["crl"] = lt(110, "x077")
+    except Exception as e:
+        print(f"Error extracting certs/key: {e}")
+    for key, value in result.items():
+        print(f"{key}:\n{value}\n")
+if __name__ == "__main__":
+    extract_certs_and_key()
+</code>
 == Community tools and scripts ==