module Github::Repos::Keys

def keys(user_name=nil, repo_name=nil, params={})
  _update_user_repo_params(user_name, repo_name)
  _validate_user_repo_params(user, repo) unless user? && repo?
  _normalize_params_keys(params)
  response = get("/repos/#{user}/#{repo}/keys")
  return response unless block_given?
  response.each { |el| yield el }
end