fix: Make inc_nonce overflow at the correct value

2023-11-03 09:25:24 +01:00
parent c8b07ef913
commit 9ea816f832
2 changed files with 8 additions and 2 deletions
--- a/secret_handshake/util.py
+++ b/secret_handshake/util.py
@@ -35,7 +35,7 @@ def inc_nonce(nonce: bytes) -> bytes:

    num = bytes_to_long(nonce) + 1

-    if num > 2**MAX_NONCE:
+    if num > 2**MAX_NONCE - 1:
        num = 0

    bnum = long_to_bytes(num)