# Classes
module Nostr
  class Keygen
    def initialize: -> void
    def generate_key_pair: -> KeyPair
    def generate_private_key: -> PrivateKey
    def extract_public_key: (PrivateKey private_key) -> PublicKey
    def get_key_pair_from_private_key: (PrivateKey private_key) -> KeyPair

    private

    attr_reader group: untyped

    def validate_private_key: (PrivateKey private_key) -> void
  end
end