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A six-pin interchangeable core with an 'A' keyway and individual chamber capping in an ANSI/BHMA 626 satin chrome finish. An interchangeable core or IC is an adaptable locking key cylinder, which can be rapidly exchanged in the field via the use of specialized "control keys".
Schlage (/ ʃ l eɪ ɡ / SHLAYG) [1] [2] is an American lock manufacturer founded in 1920 by Walter Schlage. Schlage was headquartered in San Francisco from its inception until it relocated to Colorado Springs, Colorado, in 1997. Schlage also produces high-security key and cylinder lines Primus, Everest, and Everest Primus XP.
Rekeying was first invented in 1836 by Solomon Andrews, a New Jersey locksmith. His lock had adjustable tumblers and keys, allowing the owner to rekey it at any time. Later in the 1850s, inventors Andrews and Newell patented removable tumblers which could be taken apart and scrambled.
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 ...
Elimination of this vulnerability through adoption of Over The Air Rekeying (OTAR) although little appreciated at the time, was an innovation of inestimable impact. Placing this technology in perspective, OTAR comprised a transformation at the most basic foundations of communications security such that through the decades since introduction of ...
At one time, several manufacturers made a "crushable wafer tumbler" [4] for these locks, the idea being to simplify the task of rekeying for locksmiths and reduce the number of different wafers that needed to be manufactured and stocked. To rekey such a lock, the locksmith simply replaced all the wafers with identical "crushable wafers", cut ...