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Add ack signatures

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Also modifies message signatures to be binding to from, not just from's key.
This commit is contained in:
Luke Parker
2023-07-17 17:40:34 -04:00
parent 6ccac2d0ab
commit 344ac9cbfc
4 changed files with 54 additions and 16 deletions
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11
message-queue/src/main.rs
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@@ -42,7 +42,9 @@ lazy_static::lazy_static! {
fn queue_message(meta: Metadata, msg: Vec<u8>, sig: SchnorrSignature<Ristretto>) {
{
let from = (*KEYS).read().unwrap()[&meta.from];
assert!(sig.verify(from, message_challenge(from, meta.to, &meta.intent, &msg, sig.R)));
assert!(
sig.verify(from, message_challenge(meta.from, from, meta.to, &meta.intent, &msg, sig.R))
);
}
// Assert one, and only one of these, is the coordinator
@@ -85,8 +87,11 @@ fn get_next_message(service: Service, _expected: u64) -> Option<QueuedMessage> {
Acknowledges a message as received and handled, meaning it'll no longer be returned as the next
message.
*/
fn ack_message(service: Service, id: u64, _signature: SchnorrSignature<Ristretto>) {
// TODO: Verify the signature
fn ack_message(service: Service, id: u64, sig: SchnorrSignature<Ristretto>) {
{
let from = (*KEYS).read().unwrap()[&service];
assert!(sig.verify(from, ack_challenge(service, from, id, sig.R)));
}
// Is it:
// The acknowledged message should be > last acknowledged OR