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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.
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.
The PRIME Alliance has interoperability tests in place, which are carried out by multiple accredited test laboratories. Currently, the tests have been passed by over 40 products. [2] The primary usage of PRIME is in advanced metering infrastructure. According to the PRIME Alliance, more than 5 million meters in 9 countries are deployed. [3]
The order of G should have a large prime factor to prevent use of the Pohlig–Hellman algorithm to obtain a or b. For this reason, a Sophie Germain prime q is sometimes used to calculate p = 2 q + 1 , called a safe prime , since the order of G is then only divisible by 2 and q .
This is a route-map template for the Key System, a United States interurban railway.. For a key to symbols, see {{railway line legend}}.; For information on using this template, see Template:Routemap.
The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.
A new prime minister writes a set of letters immediately after taking office and being told by the Chief of the Defence Staff "precisely what damage a Trident missile could cause". [4] The documents are then delivered to the submarines in sealed envelopes, and the previous prime minister's letters are destroyed without being opened. [B] [5]
In that same month, annihilation of the opposition in Bulgaria began on the basis of continuing instructions by Soviet cadres. [ 76 ] [ 77 ] At a late September 1947 meeting of all communist parties in Szklarska Poręba , [ 78 ] Eastern Bloc communist parties were blamed for permitting even minor influence by non-communists in their respective ...