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10 Commits

Author SHA1 Message Date
Luke Parker
6cc8ce840e Move FROST to Read 
Fixes https://github.com/serai-dex/serai/issues/33 and 
https://github.com/serai-dex/serai/issues/35. Also fixes a few potential 
panics/DoS AFAICT.
 2022-07-13 02:38:29 -04:00
Luke Parker
5eb61f3a87 Fix https://github.com/serai-dex/serai/issues/14. 2022-07-12 01:28:01 -04:00
Luke Parker
3de7a76051 Use GroupEncoding instead of Curve's from_slice/to_bytes 
Increases usage of standardization while expanding dalek_ff_group.

Closes https://github.com/serai-dex/serai/issues/26 by moving 
dfg::EdwardsPoint to only be for the prime subgroup.
 2022-06-28 01:25:26 -04:00
Luke Parker
ac17645fc8 Rename MultisigParams/MultisigKeys/MultisigView to Frost* 2022-06-28 00:09:41 -04:00
Luke Parker
1caa6a9606 Enforce FROST StateMachine progression via the type system 
A comment on the matter was made in 
https://github.com/serai-dex/serai/issues/12. While I do believe the API 
is slightly worse, I appreciate the explicitness.
 2022-06-24 08:40:14 -04:00
Luke Parker
301634dd8e Add support for Ristretto 
Replaces P-256 as the curve used for testing FROST.
 2022-06-06 04:22:49 -04:00
Luke Parker
fdb1929ba4 Move to Arc/RwLock 2022-06-05 07:33:15 -04:00
Luke Parker
3617ed4eb7 Use const values for our traits where we can 2022-06-03 23:22:08 -04:00
Luke Parker
f8d127bf8a Add FROST Ed25519 test vectors 2022-06-03 03:56:17 -04:00
Luke Parker
44452d9bfe Verify being FROST v5 compliant 
No functional changes have been made to signing, with solely slight API 
changes being made.

Technically not actually FROST v5 compatible, due to differing on zero 
checks and randomness, yet the vectors do confirm the core algorithm. 
For any valid FROST implementation, this will be interoperable if they 
can successfully communicate. For any devious FROST implementation, this 
will be fingerprintable, yet should still be valid.

Relevant to https://github.com/serai-dex/serai/issues/9 as any curve can 
now specify vectors for itself and be tested against them.

Moves the FROST testing curve from k256 to p256. Does not expose p256 
despite being compliant. It's not at a point I'm happy with it, notably 
regarding hash to curve, and I'm not sure I care to support p256. If it 
has value to the larger FROST ecosystem...
 2022-06-03 01:25:46 -04:00