$ ctf42

who_made_this_anyway

Crypto No technique tags yet.
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Flag format: texsaw{...}

Giovan Battista Bellaso introduced this polyalphabetic substitution cipher in his 1553 book "La cifra del. Sig. Giovan Battista Bellaso", but we know it by somebody else’s name today.

Flag format: texsaw{THISISANEXAMPLE}

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