# File lib/omniauth/auth0/jwt_validator.rb, line 57
      def jwks_public_cert(x5c)
        x5c = Base64.decode64(x5c)

        # https://docs.ruby-lang.org/en/2.4.0/OpenSSL/X509/Certificate.html
        OpenSSL::X509::Certificate.new(x5c).public_key
      end