lib/rbnacl/hmac/sha256.rb in rbnacl-1.0.0 vs lib/rbnacl/hmac/sha256.rb in rbnacl-1.1.0

@@ -17,9 +17,16 @@
       KEYBYTES = NaCl::HMACSHA256_KEYBYTES
 
       # Number of bytes in a valid authenticator
       BYTES = NaCl::HMACSHA256_BYTES
 
+      # The crypto primitive for the HMAC::SHA256 class
+      #
+      # @return [Symbol] The primitive used
+      def self.primitive
+        :hmac_sha256
+      end
+
       private
       def compute_authenticator(message, authenticator)
         NaCl.crypto_auth_hmacsha256(authenticator, message, message.bytesize, key)
       end