decode (EzCrypto::Verifier)

    # File lib/ezsig.rb, line 137
        def self.decode(encoded)
          case encoded
          when /-----BEGIN CERTIFICATE-----/
            EzCrypto::Certificate.new(OpenSSL::X509::Certificate.new( encoded))
          else
            begin
              EzCrypto::Verifier.new(OpenSSL::PKey::RSA.new( encoded))
            rescue
              EzCrypto::Verifier.new(OpenSSL::PKey::DSA.new( encoded))
            end
          end
        end