crypto1_bs - Bitsliced Crypto-1 brute-forcer

  •        234

A pure C(99) implementation of the Crypto-1 cipher using the method of bitslicing, which uses GNU vector extensions to be portable across SSE/AVX/AVX2 supporting architectures while offering the highest amount of possible parallelism. I wrote this as a patch for piwi's imlementation of the research documented in Ciphertext-only cryptanalysis on hardened Mifare Classic cards after reading (most of) the paper, while it was still under active development.

https://github.com/aczid/crypto1_bs

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