keypair = OpenSSL::PKey::RSA.new(2048) public_key = keypair.public_key.to_pem private_key = keypair.to_pem Fabricator(:account) do username { sequence(:username) { |i| "#{Faker::Internet.user_name(nil, %w(_))}#{i}" } } last_webfingered_at { Time.now.utc } public_key { public_key } private_key { private_key } end