basicswap-prepare can enable and disable tor config.

basicswap/util/rfc2440.py

@@ -0,0 +1,31 @@
+# -*- coding: utf-8 -*-
+
+import hashlib
+import secrets
+
+
+def rfc2440_hash_password(password, salt=None):
+    # Match tor --hash-password
+    # secret_to_key_rfc2440
+
+    EXPBIAS = 6
+    c = 96
+    count = (16 + (c & 15)) << ((c >> 4) + EXPBIAS)
+
+    if salt is None:
+        salt = secrets.token_bytes(8)
+    assert(len(salt) == 8)
+
+    hashbytes = salt + password.encode('utf-8')
+    len_hashbytes = len(hashbytes)
+    h = hashlib.sha1()
+
+    while count > 0:
+        if count >= len_hashbytes:
+            h.update(hashbytes)
+            count -= len_hashbytes
+            continue
+        h.update(hashbytes[:count])
+        break
+    rv = '16:' + salt.hex() + '60' + h.hexdigest()
+    return rv.upper()