Day: September 15, 2021
Nothing-up-my-sleeves numbers – Block Ciphers and Their Modes of Operation
14.2.8 Nothing-up-my-sleeves numbers To avoid the risk of backdoors, cryptographers prefer so-called Nothing-up-My-Sleeves (NUMS) numbers to be used as constants or initialization values. Simply put, a NUMS number is any number whose origin is easy to explain. That is, it is easy to explain how the number was chosen. Figuratively, the NUMS concept is analogous…
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