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APS 非重点复习课程之网络安全技术 | min hjemmeside #131

Open tinsir888 opened 3 months ago

tinsir888 commented 3 months ago

https://tinsir888.github.io/posts/c46dd73.html

Cryptology DES Designed by IBM. Use a 56-bit key to encrypt and decrypt 64-bit blocks of data. Process: 64-bit msg and 56-bit key as input Perform a permutation on the key to generate 16 48-bit sub