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Steadily on my way builing an Rijndael-esque encryptor.
Building upon my shell script; yesterday I made an 256 bits sustitution table.
Today I made the foundation of a key scheduler. Interestingly bash is able to process 4×4, 6×4 or 8×4 matrices. And the code is still quite simple. I am learning a lot and enjoying all the little puzzles to solve!
Follow my progress on .
codeberg.org/oxo/tool/src/bran

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