badkeys: handle nil specifically

runZeroInc · Dec 9, 2024 · 49645b8 · 49645b8
1 parent 98d2362
commit 49645b8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/badkeys/badkeys.go b/badkeys/badkeys.go
@@ -40,6 +40,8 @@ func PrefixFromPublicKey(pub any) ([]byte, error) {
 		rawb = pub.Bytes() // Verify
 	case *dsa.PublicKey:
 		rawb = pub.Y.Bytes()
+	case nil:
+		return nil, fmt.Errorf("unsupported nil key")
 	default:
 		return nil, fmt.Errorf("unsupported key: %T", pub)
 	}