md5: don't rely on version for usedforsecurity

The usedforsecurity flag to hashlib.md5 doesn't appear to be version
specific, due to backporting, etc.

Instead attempt to use it, on exception, fallback to not using it.

Ticket: https://redmine.openinfosecfoundation.org/issues/7255

diff --git a/suricata/update/util.py b/suricata/update/util.py
index c2a73d0b4845d0505dbdbebfa1fa0f465fb32835..2fa1f3330c47a6147150b1ef4dba8de3db07c5f2 100644 (file)
--- a/suricata/update/util.py
+++ b/suricata/update/util.py
@@ -30,10 +30,10 @@ def md5_hexdigest(buf):
 
     :returns: A string representing the hex value of the computed MD5.
     """
-    if sys.version_info.major < 3 or (sys.version_info.major == 3 and sys.version_info.minor < 9):
-        return hashlib.md5(buf).hexdigest().strip()
-    else:
+    try:
         return hashlib.md5(buf, usedforsecurity=False).hexdigest().strip()
+    except:
+        return hashlib.md5(buf).hexdigest().strip()
 
 def mktempdir(delete_on_exit=True):
     """ Create a temporary directory that is removed on exit. """