Ключевые слова: access, attached, breaking, chain, closed, confidential, escape, forbidden, free, guard, iron door, join, key, liberation, link, linked, lock, loosening, old, open, padlock, privacy, protect, protection, release, reliable, restrain, restraining, robust, rust, safeguard, safety, secrecy, secure, security, shackle, shiny, solution, stealing, steel, strength, strong, tied, unlock, vandalism, work,