exponential/auth/ssh challenge
mock · sample challenge← back to login

// session · sign with key

ssh challenge

This preview shows the intended SSH-signature flow, but no backend verifier or key registry is wired. sample fingerprint sha256:9e:21:8c:4d:a3:91:7b:ee.

# challengeexpires in 2:14
4f7c2a90-b1de-4d8e-9c11-7e3a0b94d617
# sign it locally
$ echo "4f7c2a90-b1de-4d8e-9c11-7e3a0b94d617" \
    | ssh-keygen -Y sign -f ~/.ssh/id_ed25519 -n exponential
pipe the output below for local format detection. server-side verification is pending. it is a single -----BEGIN SSH SIGNATURE----- block.
# paste signature
awaiting signature...0 chars