This is an outdated version published on 2022-05-09. Read the most recent version.Preprint / Version 6
Băhēm: A Symmetric Cipher with Provable 128-bit Security
Keywords:secret-key cryptography, cryptanalysis, one-way functions
This paper proposes a symmetric that is practical (requires to pre-share only 128-bit key), provably secure (no cryptanalysis can degrade its security below 128 bits, even with quantum computing or if P=NP), simple (can be performed manually by a pen-and-paper; helpful for a post-apocalypse world scenario) and fast (similar run-time to OpenSSL's ChaCha20).
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2022-04-14 — Updated on 2022-05-09
Copyright (c) 2022 M Rajululkahf
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