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Results tagged with affine-cipher
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user 44083
A type of monoalphabetic substitution cipher, wherein each letter in an alphabet is mapped to its numeric equivalent, encrypted using a simple function `(ax + b) mod m`.
5
votes
2
answers
567
views
Affine plaintext attack with GCD != 1
I'm trying to crack an affine cipher, but when cracking I cannot find the inverse of a number because the GCD is not 1. This is my plaintext and this is my ciphertext:
PLAIN: 072097 108108
CIPHER: 0 …
