From 74d5ec834ff5b4d49935e66dea4a7a3b3ba5b729 Mon Sep 17 00:00:00 2001
From: Michael Greene <michael.greene@system1.com>
Date: Wed, 23 Nov 2022 11:26:49 -0800
Subject: [PATCH] fix fingerprint test

---
 pgpy/types.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pgpy/types.py b/pgpy/types.py
index 301595b..98f3896 100644
--- a/pgpy/types.py
+++ b/pgpy/types.py
@@ -648,6 +648,8 @@ class Fingerprint(str):
 
         # validate input before continuing: this should be a string of 40 hex digits
         content = content.upper().replace(' ', '')
+        if not re.match(r'^[0-9A-F]+$', content):
+            raise ValueError('Fingerprint must be a string of 40 hex digits')
         return str.__new__(cls, content)
 
     def __eq__(self, other):