JWT: updated to make JWT algorithm support more flexible, and simple to extend with specific algorithm.

library/security/jwt/src/jwt_alg.e

@@ -0,0 +1,27 @@
+note
+	description: "Summary description for {JWT_ALG}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+deferred class
+	JWT_ALG
+
+feature -- Access
+
+	name: READABLE_STRING_8
+		deferred
+		end
+
+	encoded_string (a_message: READABLE_STRING_8; a_secret: READABLE_STRING_8): STRING
+		deferred
+		end
+
+feature -- Status report
+
+	is_none: BOOLEAN
+			-- Is Current algorithm is "none" ?
+		do
+		end
+
+end