Ceremony of the Keys (London) Ceremony of the Keys (London) The Ceremony of the Keys is an ancient ritual, held every evening at the Tower of London, when the main gates are locked for the night. It is said to be the oldest military ceremony in the world, and is the best-known ceremonial tradition of the Tower. At exactly 9.53 pm, the Chief Yeoman Warder, dressed in Tudor watchcoat and bonnet, and carrying a candle lantern, leaves the Byward Tower and falls in with the Escort to the Keys, a military escort made up of armed members of the Tower of London Guard. The Warder
Key ceremony Key ceremony In public-key cryptography and computer security, a root key ceremony is a procedure where a unique pair of public and private root keys is generated. Depending on the certificate policy, the generation of the root keys may require notarization, legal representation, witnesses and "key holders" to be present, as the information on the system is a responsibility of the parties. A commonly recognized best practice is to follow the standard for root key ceremonies. At the heart of every certificate authority (CA) is at least one root key or root certificate and usually at least one intermediate root