docs: reserve Reply-To and document sender anonymity for receivers
This commit is contained in:
parent
06249ed244
commit
5bfb415830
2 changed files with 10 additions and 1 deletions
|
|
@ -28,6 +28,8 @@ The short form is typeable. The long form carries the key itself, so an address
|
|||
|
||||
Keys learned from a server are pinned on first use. Later changes need a rotation certificate signed by the previous key, or explicit confirmation.
|
||||
|
||||
Recipients learn only the sender's key, never a name: a first contact arrives as a bare fingerprint until its address is known. A client may carry its full `smol://` address in a signed `Reply-To` field so first contacts can be answered; receivers bind it only when its key matches the message's signer (SPEC.md §5.7).
|
||||
|
||||
## Cryptography
|
||||
|
||||
Ed25519 · X25519 · ChaCha20-Poly1305 · SHA-256. Four established primitives, no novel cryptography, nothing else anywhere in the protocol. Transport is TCP with a Noise handshake — no certificates, no CA, no expiry.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue