require 'jruby_pageant'

agent_proxy = JRubyPageant.create
if agent_proxy.is_running
  # This is Java com.jcraft.jsch.agentproxy.Identity[]
  identities = agent_proxy.get_identities
  puts "Known identities: #{identities.size}"
  identities.each do |identity|
    # This is Java byte[] containing the key.
    blob = identity.get_blob
    # You can convert it to string:
    puts "  blob: #{String.from_java_bytes(blob)}"
    # This is Java byte[] containing the key comment.
    comment = identity.get_comment
    puts "  comment: #{String.from_java_bytes(comment)}"

    # Signing data is easy too!
    data = "My data"
    # This returns byte[]
    signed = agent_proxy.sign(blob, data.to_java_bytes)
    puts "  sign: #{data} -> #{String.from_java_bytes(signed)}"
  end
else
  puts "Pageant is not running!"
end