Merge pull request #814 from secure-systems-lab/dependabot/pip/test-and-lint-dependencies-39b6280e92

build(deps): bump pylint from 3.1.1 to 3.2.2 in the test-and-lint-dependencies group

Author: jku

requirements-lint.txt

@@ -1,5 +1,5 @@
 mypy==1.10.0
 black==24.4.2
 isort==5.13.2
-pylint==3.1.1
+pylint==3.2.2
 bandit==1.7.8

securesystemslib/signer/_gcp_signer.py

@@ -165,14 +165,18 @@ def _get_hash_algorithm(public_key: Key) -> str:
         if public_key.keytype == "rsa":
             # hash algorithm is encoded as last scheme portion
             algo = public_key.scheme.split("-")[-1]
-        if public_key.keytype in [
+        elif public_key.keytype in [
             "ecdsa",
             "ecdsa-sha2-nistp256",
             "ecdsa-sha2-nistp384",
         ]:
             # nistp256 uses sha-256, nistp384 uses sha-384
             bits = public_key.scheme.split("-nistp")[-1]
             algo = f"sha{bits}"
+        else:
+            raise exceptions.UnsupportedAlgorithmError(
+                f"Unsupported key type {public_key.keytype} in key {public_key.keyid}"
+            )
 
         # trigger UnsupportedAlgorithm if appropriate
         _ = sslib_hash.digest(algo)