Re: Ed25519 verify details

2023-01-26 Thread Niels M??ller
Simon Josefsson writes: > This is a bit of a mess, unfortunately, and one solution may be to > implement a non-solution approach: instead of changing the sign or > verify operations, As far as I'm aware, there's no need to modify the signing operation, am I missing something? Do the details of

Re: Ed25519 verify details

2023-01-26 Thread Simon Josefsson
"Niels Möller" writes: > Hi, > > A few weeks ago, I stumbled on > https://hdevalence.ca/blog/2020-10-04-its-25519am. Summary: The > specification for Ed25519 signatures, RFC 8032, doesn't specify > unambiguously which bit strings are valid signatures, and which aren't. > And implementations