lib/cose/algorithm/ecdsa.rb in cose-0.11.0 vs lib/cose/algorithm/ecdsa.rb in cose-1.0.0

@@ -17,9 +17,15 @@
         @hash_function = hash_function
       end
 
       private
 
+      def valid_key?(key)
+        cose_key = to_cose_key(key)
+
+        cose_key.is_a?(COSE::Key::EC2) && (!cose_key.alg || cose_key.alg == id)
+      end
+
       def signature_algorithm_class
         OpenSSL::SignatureAlgorithm::ECDSA
       end
 
       def to_pkey(key)