Re: Seeking Assistance with GnuPG for Signing Arbitrary Data Using a Smart Card

2023-04-06 Thread vuori
On Wed, Apr 05, 2023 at 11:17:00PM +0300, Yiğitcan UÇUM via Gnupg-users wrote: > 3. I receive an error when trying to `SCD PKSIGN` with data above 64 > bytes: "ERR 100663351 Invalid value ". Is this a tooling > limitation, or is there a way to sign arbitrary data? I can sign > arbitrary data using

Seeking Assistance with GnuPG for Signing Arbitrary Data Using a Smart Card

2023-04-05 Thread Yiğitcan UÇUM via Gnupg-users
Hello, I am using a Yubikey 5C NFC with OpenPGP Version 3.4 Applet and an `ed25519` curve signing key. I'm attempting to create `EdDSA` Algorithm JWTs using GnuPG tooling, but I've encountered some difficulties. I've used `gpg-connect-agent` to interact with my Smart Card through a low-level API,