make other_user_key optional for one flow of self-verification
@@ -141,8 +141,8 @@ In the second example, Dynabook scans Osborne2:
- Alice's user ID,
- Osborne2's device key (optional),
- what it thinks Dynabook's key is, as `other_device_key`,
- - Alice's master key, both as `key_<key_id>` and `other_user_key`
- parameters, and
+ - Alice's master key as a `key_<key_id>` parameter and (optionally) a `other_user_key`
+ parameter, and
- a random shared secret.
3. Dynabook scans the QR code shown by Osborne2. At this point, Dynabook knows
Alice's cross-signing key, and so it can trust it to sign other devices. It
