Re: ed25519 and sha256

2019-09-26 Thread Werner Koch via Gnupg-users
On Wed, 25 Sep 2019 16:35, r...@sixdemonbag.org said: > Wikipedia is not a very good reference for low-level technical details. > Ed25519 is shorthand for "EdDSA on a specific curve": it is silent on > the subject of hash algorithms, although you can specify one as > "Ed25519-SHA-512" or what-hav

Re: ed25519 and sha256

2019-09-25 Thread Robert J. Hansen
> According to Wikipedia "Ed25519 is the EdDSA signature scheme using > SHA-512 and Curve25519”. Granted, I have sha256 in my preferences, > but the standard should override that, correct? Wikipedia is not a very good reference for low-level technical details. Ed25519 is shorthand for "EdDSA on a

ed25519 and sha256

2019-09-25 Thread Robert Hübener via Gnupg-users
Hello, I have a question regarding ed25519 as implemented in gnupg 2.2.17, libgcrypt 1.8.4. Let’s say I sign a file. When checking the signature with verbose output, I can see that sha256 was used gpg: binary signature, digest algorithm SHA256, key algorithm ed25519 According to Wikipedia "Ed