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Save keys by their tweaked group_key

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Keys are referred to by their tweaked versions. If a tweak was needed, keys
would fail to confirm.
This commit is contained in:
Luke Parker 2023-04-18 14:55:15 -04:00
parent 396e5322b4
commit 21026136bd
No known key found for this signature in database
1 changed files with 15 additions and 4 deletions
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19
processor/src/key_gen.rs
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@ -71,7 +71,7 @@ impl<C: Coin, D: Db> KeyGenDb<C, D> {
txn: &mut D::Transaction<'_>, txn: &mut D::Transaction<'_>,
id: &KeyGenId, id: &KeyGenId,
substrate_keys: &ThresholdCore<Ristretto>, substrate_keys: &ThresholdCore<Ristretto>,
coin_keys: &ThresholdCore<C::Curve>, coin_keys: &ThresholdKeys<C::Curve>,
) { ) {
let mut keys = substrate_keys.serialize(); let mut keys = substrate_keys.serialize();
keys.extend(coin_keys.serialize().iter()); keys.extend(coin_keys.serialize().iter());
@ -108,6 +108,14 @@ impl<C: Coin, D: Db> KeyGenDb<C, D> {
txn, txn,
&Self::generated_keys_key(set, (key_pair.0.as_ref(), key_pair.1.as_ref())), &Self::generated_keys_key(set, (key_pair.0.as_ref(), key_pair.1.as_ref())),
); );
assert_eq!(key_pair.0 .0, keys.0.group_key().to_bytes());
assert_eq!(
{
let coin_key: &[u8] = key_pair.1.as_ref();
coin_key
},
keys.1.group_key().to_bytes().as_ref(),
);
txn.put(Self::keys_key(&keys.1.group_key()), keys_vec); txn.put(Self::keys_key(&keys.1.group_key()), keys_vec);
keys keys
} }
@ -115,7 +123,9 @@ impl<C: Coin, D: Db> KeyGenDb<C, D> {
getter: &G, getter: &G,
key: &<C::Curve as Ciphersuite>::G, key: &<C::Curve as Ciphersuite>::G,
) -> (ThresholdKeys<Ristretto>, ThresholdKeys<C::Curve>) { ) -> (ThresholdKeys<Ristretto>, ThresholdKeys<C::Curve>) {
Self::read_keys(getter, &Self::keys_key(key)).1 let res = Self::read_keys(getter, &Self::keys_key(key)).1;
assert_eq!(&res.1.group_key(), key);
res
} }
} }
@ -344,10 +354,11 @@ impl<C: Coin, D: Db> KeyGen<C, D> {
let substrate_keys = handle_machine(&mut rng, params, machines.0, &mut shares_ref); let substrate_keys = handle_machine(&mut rng, params, machines.0, &mut shares_ref);
let coin_keys = handle_machine(&mut rng, params, machines.1, &mut shares_ref); let coin_keys = handle_machine(&mut rng, params, machines.1, &mut shares_ref);
KeyGenDb::<C, D>::save_keys(txn, &id, &substrate_keys, &coin_keys);
let mut coin_keys = ThresholdKeys::new(coin_keys); let mut coin_keys = ThresholdKeys::new(coin_keys);
C::tweak_keys(&mut coin_keys); C::tweak_keys(&mut coin_keys);
KeyGenDb::<C, D>::save_keys(txn, &id, &substrate_keys, &coin_keys);
ProcessorMessage::GeneratedKeyPair { ProcessorMessage::GeneratedKeyPair {
id, id,
substrate_key: substrate_keys.group_key().to_bytes(), substrate_key: substrate_keys.group_key().to_bytes(),