Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...
1. Introduction -- 2. From Julius Caesar to simple substitution -- 3. Polyalphabetic systems -- 4. Jigsaw ciphers -- 5. Two-letter ciphers -- 6. Codes -- 7. Ciphers for spies -- 8. Producing random ...
Morning Overview on MSN
Microsoft is cutting off a legacy cipher that caused decades of damage
Microsoft is finally ripping out one of the weakest links in its identity stack, cutting off a legacy cipher that attackers ...
The Daily Galaxy on MSN
A 2,000-Year-Old Code Finally Deciphered: Here’s What One of the Dead Sea Scrolls’ Deepest Secrets Revealed
For decades, one script embedded in the Dead Sea Scrolls resisted all efforts to unlock its meaning. Known as Cryptic B, the ...
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