mirrors/arti.git/crates/tor-proto/src/tunnel/circuit/handshake.rs, branch arti-v1.4.6

Remove now-needless allow(unused).

2025-07-23T14:59:51Z

proto: Construct CGO instances if that is what is selected.

2025-07-23T14:58:47Z

proto: Take format+crypto settings from HopSettings

2025-07-23T14:58:47Z

Since these will be negotiated (or determined as part of negotiation) they belong in HopSettings.

proto: Apply type-specific wrappers for tor1 crypto

2025-05-06T22:34:17Z

Now instead of using CryptState for everything, we have specific types for each role and direction of crypto. This turned up a harmless-so-far bug in our onion service code: as an onion service, we were using _client_ crypto layers to respond to a client request. That's not correct, and wouldn't have worked with CGO. Instead, we need to use relay crypto layers, wrapped as client layers. Closes #1975.

proto, cell: Remove RelayCellFormatTrait.

2025-05-06T22:34:17Z

The purpose of the trait was to parameterize the tor1 cell crypto on the different possible relay cell layouts. It made sense to have this trait when we thought we would implement the new cell layout for prop340 (packed-and-fragmented) well before we implemented CGO. But it now appears all but certain that CGO will land long before we make any more headway on prop340. Therefore, it doesn't make sense to carry the ability to customize `tor1` for other relay cell layouts. Removing this trait saves a fair bit of complexity.

proto: refactor RelayCrypt trait into separate traits

2025-04-29T16:31:09Z

It seems very likely that, as with client crypto, we'll want relay crypto to separable into "forward" and "reverse" objects, so that the two can be used more or less independently.

Note some places where we need updates for #1944.

2025-04-16T14:58:49Z

(Also note a couple of other CGO-related issues)

tor-proto: Add a tunnel module.

2025-02-20T20:15:12Z

Move StreamTarget to the tunnel module and the circuit module. From now on streams will be implemented on tunnels, not circuits. This moves `StreamTarget` to the tunnel module. A future change will replace `ClientCirc` with `ClientTunnel` inside `StreamTarget`. This is mostly code motion, best reviewed with `--color-moved`. Signed-off-by: David Goulet