Reads an ask. Signs your answer. Verifies what came back. Opened from a link, it talks to one relay and nothing else; opened any other way, it makes no network request at all.
This browser does not provide Ed25519 (and X25519) in WebCrypto, so this page can neither verify nor sign anything here. It needs Safari 17 or later, Chrome or Edge 137 or later, or Firefox 129 or later. No fallback is shipped on purpose: an unreviewed JavaScript implementation would be a second thing to trust.
Waiting for the sender’s Cachet
This page made a fresh key for this ask and handed the relay the public half. The sender’s Cachet seals the passage to it; nothing readable passes through the relay.
Connecting to the relay…
Slow or stuck? The sender can also paste the ASK block into their message — paste it below and this page reads it the same way.
Verification happens here, in your browser. Nothing you paste is sent anywhere.
Answer it
Your answer is signed testimony: it proves that the holder of your key signed this decision about these exact bytes at this time. It is not a Cachet verdict, and Cachet does not verify it. Anyone holding the ask may answer it; forwarding is the normal way it reaches the right person.
If none fits, do not sign: reply in plain words instead — “Not me — ask ___.” · “I can’t say: not my call.” · “Which document do you mean?” — and it counts as a reply.
Signing happens in this page. Nothing is sent.
Answer it
Your answer is signed testimony: it proves that the holder of this page’s key signed this decision about these exact bytes at this time. It is not a Cachet verdict, and Cachet does not verify it. The key was made when this page opened and lives only in its memory.
Add a condition to your confirmation (optional)
If none fits, do not sign: reply in plain words instead — “Not me — ask ___.” · “I can’t say: not my call.” · “Which document do you mean?” — and it counts as a reply.
Signed. Now return it — through your own channel.
This page did not send it and cannot. Paste the block into your reply, or attach the file.
Keep my key (optional)
If you answer again later with the same key, the asker can recognise it. The download is encrypted with your passphrase (PBKDF2-SHA256, 600,000 rounds, AES-GCM); it is never written in the clear, and nothing about it is stored in this browser.
Your receipt
Your own copy of what you were asked and what you answered. It reports nothing to anyone — it is not a read receipt.