SipHash is not designed to be a general-purpose (non-keyed) cryptographic hash, no? But Quark and Spongent look interesting.https://twitter.com/jedisct1/status/993402958263054336 …
Once again, you didn’t describe your use case. It’s not collision resistant, but it is totally fine if you want to authenticate online messages and stay below the birthday bound.
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Well… my use case is just a toy, but the goal is a puzzle, “you can’t figure out what input makes this return success”. Offline attacks are in scope (maybe not NSA-level though); on the bright side, there’s only one message ever, which means collision resistance doesn’t matter.
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(It’s meant to be a proof of concept that a certain very limited weird machine is powerful enough to express such a puzzle. I‘m a bit embarrassed to say what machine, because I have no idea whether it actually is powerful enough :p)
End of conversation
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