Ключевые слова: 3, 124, abstract, access control, authorization, baggage, belongings, briefcase, business, code lock, coded, combination, combinations, concept, conceptual, confidence, confidential, dark, detail, encryption, extreme closeup, guard, key, locked, luggage, luxury, macro, no people, nobody, number lock, numbers, object, password, premium, privacy, private, protected, protection, safe, safety, secrecy, secret, secure, security, service, suitcase, symbol, three, travel, up close,