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To prevent this, the key fob does not use the same unlock code each time but a rolling code system; it contains a pseudorandom number generator which transmits a different code each use. [9] The car's receiver has another pseudorandom number generator synchronized to the fob to recognise the code.
Kwikset evolved to include many Weiser features, and Weiser locks now use Kwikset's "SmartKey" self-rekeyable lock technology and Kwikset keyways. On October 9, 2012, the Wall Street Journal reported that Spectrum Brands Holdings, Inc. had agreed to acquire the HHI division from Stanley Black & Decker's, including Kwikset, and that the ...
A smart key is a vehicular passive entry system developed by Siemens in 1995 and introduced by Mercedes-Benz under the name "Keyless-Go" in 1998 on the W220 S-Class, [1] after the design patent was filed by Daimler-Benz on May 17, 1997.
For example, a bitting code of 11111 with Depth and Spacing Number 46 specifies a Kwikset key with five shallow cuts. Conversely, a bitting code of 77777 and Depth with Spacing Number 46 specifies a Kwikset key with five deep cuts. Experienced locksmiths might be able to figure out a bitting code from looking at a picture of a key.
Formally, a message authentication code (MAC) system is a triple of efficient [4] algorithms (G, S, V) satisfying: G (key-generator) gives the key k on input 1 n, where n is the security parameter. S (signing) outputs a tag t on the key k and the input string x. V (verifying) outputs accepted or rejected on inputs: the key k, the string x and ...
A maison key system is a keying system that permits a lock to be opened with a number of unique, individual keys. Maison key systems are often found in apartment building common areas, such as main entrance or a laundry room where individual residents can use their own apartment key to access these areas.
A software license is a legal instrument that governs the usage and distribution of computer software. [1] Often, such licenses are enforced by implementing in the software a product activation or digital rights management (DRM) mechanism, [2] seeking to prevent unauthorized use of the software by issuing a code sequence that must be entered into the application when prompted or stored in its ...
SmartKey was the first macro processing program of its type, and the first terminate-and-stay-resident program for PCs and CP/M microcomputers, their eight bit predecessors. [ 1 ] Smartkey's "keyboard definitions" were first used with the early word-processing program WordStar for such things as changing margins of screenplays .