Redact private JWK material from inspection

Author: OskarEichler

CHANGELOG.md

@@ -10,6 +10,7 @@
 
 **Fixes and enhancements:**
 
+- Redact private JWK material from inspection [#754](https://github.com/jwt/ruby-jwt/pull/754) - [@OskarEichler](https://github.com/OskarEichler)
 - Fix rejection of unknown algorithms from JWKs for RFC compliance and pquip [#728](https://github.com/jwt/ruby-jwt/pull/728)
 - Fix the `Style/DirectiveScope` RuboCop offense failing the build [#752](https://github.com/jwt/ruby-jwt/pull/752)
 

lib/jwt/jwk/key_base.rb

@@ -50,6 +50,14 @@ def sign(**kwargs)
         jwa.sign(**kwargs, signing_key: signing_key)
       end
 
+      def inspect
+        "#<#{self.class} @parameters=#{export.inspect}>"
+      end
+
+      def pretty_print(pp)
+        pp.text(inspect)
+      end
+
       alias eql? ==
 
       def <=>(other)