require 'openssl'
puts "RUBY_ENGINE #{RUBY_ENGINE}"
puts "RUBY_VERSION #{RUBY_VERSION}"
cert_content = <<CERT_STRING
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
CERT_STRING
certificate = OpenSSL::X509::Certificate.new cert_content
puts "Hex String representation of to_der:"
puts certificate.public_key.to_der.unpack('H*')