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To rekey a lock you have to first remove the lock cylinder from any housing it rests in. The lock cylinder must be disassembled, and the plug removed. Use a plug follower to avoid dropping master-wafers, top pins and springs. The plug has cylindrical chambers spaced according to manufacturer specifications.
In cryptography, rekeying refers to the process of changing the session key—the encryption key of an ongoing communication—in order to limit the amount of data encrypted with the same key. Roughly equivalent to the classical procedure of changing codes on a daily basis , the key is changed after a pre-set volume of data has been transmitted ...
These are commonly found on uPVC doors and commercial buildings where re-keying doors is common. Commonly pin tumbler locks are found in a cylinder that can be easily unscrewed by a locksmith to facilitate rekeying. The first main advantage to a cylinder lock, also known as a profile cylinder lock or euro, is that the cylinder can be changed ...
Locks that have master keys have a second set of the mechanism used to operate them that is identical to all of the others in the set of locks. For example, master keyed pin tumbler locks often have two shear points at each pin position, one for the change key and one for the master key. A far more secure (and more expensive) system has two ...
Although replacing lost keys for automobiles and homes, as well as rekeying locks for security purposes, remains an important part of locksmithing, a 1976 US Government publication noted that modern locksmiths are primarily involved in installing high-quality lock-sets and managing keying and key control systems.
Two warded lock keys and a homemade skeleton key. A skeleton key (also known as a passkey [1]) is a type of master key in which the serrated edge has been removed in such a way that it can open numerous locks, [2] most commonly the warded lock. The term derives from the fact that the key has been reduced to its essential parts. [2]