cryptoProeasy

Permute — Permutation Cipher

spbctf

Task: Decrypt a permutation cipher with 4-letter blocks. Solution: Bruteforce all 24 permutations of block size 4, find the one that produces readable text.

$ ls tags/ techniques/
block_cipherpermutation_cipherclassic_ciphertransposition
permutation_bruteforceblock_transposition
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