Pass allow_truncate=False to ecdsa sign/verify

Author: dreid

jose/backends/ecdsa_backend.py

@@ -91,11 +91,11 @@ def _process_jwk(self, jwk_dict):
             return ecdsa.keys.VerifyingKey.from_public_point(point, self.curve)
 
     def sign(self, msg):
-        return self.prepared_key.sign(msg, hashfunc=self.hash_alg, sigencode=ecdsa.util.sigencode_string)
+        return self.prepared_key.sign(msg, hashfunc=self.hash_alg, sigencode=ecdsa.util.sigencode_string, allow_truncate=False)
 
     def verify(self, msg, sig):
         try:
-            return self.prepared_key.verify(sig, msg, hashfunc=self.hash_alg, sigdecode=ecdsa.util.sigdecode_string)
+            return self.prepared_key.verify(sig, msg, hashfunc=self.hash_alg, sigdecode=ecdsa.util.sigdecode_string, allow_truncate=False)
         except Exception:
             return False