ChaCha20nosat, a symmetric cipher that resists being put into SAT form

Show HN: ChaCha20nosat, a symmetric cipher that resists being put into SAT form

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There has been a recent discussion about the monoculture in crypto, and how ChaCha20 is a fallback to AES256.All current mainstream ciphers are relatively easy to transform into SAT form. This is a proposal for a fallback for that, using polymorphic constraints between the bits via sboxes that are part of the private key.Suggested changes to avoid redoing XChaCha20: since the sboxes could be the entire private key, what was the key could be a 256 bits nonce, and what was the nonce could be the counter, and what was the counter could be a stream index: such a modification could be called yadacha20.Small, self-contained super ugly, quickly written Rust code: this is an initial draft of a work

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Website: kilncore.space/chacha20nosat/20230925_chacha20nosat_draft_v0.1.1.tar.bz2