init

contrib/uidhash.py

@@ -0,0 +1,26 @@
+import secrets
+from functools import partial
+
+try:
+    from hashlib import scrypt
+    uid_hash = partial(scrypt, n=16384, r=8, p=1)
+except ImportError:
+    # Python 3.5 has to use external py-scrypt package from pypi
+    from scrypt import hash as scrypt
+    uid_hash = partial(scrypt, N=16384, r=8, p=1)
+
+# print(secrets.token_urlsafe())
+UID_SALT = "hkRXwLlQKmCJoy5qaahp"
+
+
+def hash_uid(uid: str, salt: str = UID_SALT) -> str:
+    return uid_hash(bytes.fromhex(uid), salt=salt.encode()).hex()
+
+
+if __name__ == "__main__":
+    UID = "01 23 AD F0"
+    ch = hash_uid(UID)
+    h = 'a6d9ba36ecb5f8e6312f40ee260ad59e9cca3c6ce073bf072df3324c0072886196e6823a7c758ab567fc53e91fbbda297a4efe0072e41316c56446ef126a5180'
+    print("UID:", UID)
+    print("hash:", ch)
+    print("correct", ch == h)