AI may have cracked a 370-year-old cipher in 44 minutes. The harder question is whether it discovered the answer, remembered it, or merely guessed well.
According to @bcherny, Fable used Claude to solve the 370-year Cyphral Distich, revealing practical LLM cryptanalysis and research workflows, per Vals.ai.
Cipher block chaining (CBC) is a mode of operation for a block cipher-- one in which a sequence of bits are encrypted as a single unit, or block, with a cipher key applied to the entire block. Cipher ...