@jedisct1 crazy idea: crypto_box built on ed25519chacha20poly1305 ;) /cc @CodesInChaos @namelessjon @stouset @hashbreaker
@jedisct1 @namelessjon @stouset @hashbreaker I suppose ChaCha20 has an 8-byte nonce though, and @CodesInChaos already suggested XChaCha20
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@bascule Is there a spec for XChaCha20? Googling turns up your tweet, no spec. /@jedisct1@namelessjon@stouset@hashbreaker@CodesInChaos -
@hsivonen There are no specs, but hchacha20 can be constructed exactly the same way as hsalsa20. -
@jedisct1 Thank you. Should I expect a XChaCha20 variant of secretbox to be added into libsodium in the future? -
@hsivonen What problems would it solve that XSalsa20 doesn’t? -
@jedisct1 Being perceived as the newer improved version. (I guess the answer is "no", then.) -
@hsivonen Having multiple ways to achieve the same thing could also be perceived as bloat. Or give the impression that Salsa20 is broken.
End of conversation
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@bascule@jedisct1@namelessjon@stouset@hashbreaker I'd like AEAD and using sharedsecret with other schemes without interferenceThanks. Twitter will use this to make your timeline better. UndoUndo
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