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frost
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9 Commits

Author SHA1 Message Date
Conrado Gouvea e8dc692ca0
add Identifier to InvalidSignatureShare and split Error type (#183) 
* add Identifier to InvalidSignatureShare

* rustdoc

* also update secp256k1

* add Identifier::deserialize; make serialize public

* make it work with Ed448

* Some space

* Fixing spacing for rustfmt

* Revert  🤦‍♂️

Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com>
 2022-12-12 22:04:10 +00:00
Conrado Gouvea 3b497100c0
Fix batching for P-256 (#154) 
fix batch for P-256: use little endian encoding; increase NAF size
 2022-10-27 04:34:57 +00:00
Conrado Gouvea bceafae2e6
Add DKG support (#129) 
* add DKG support

* refactor: call SecretShare::verify() in keygen_part3

* refactor: add generate_secret_polynomial and evaluate_polynomial

* refactor: factor out `evaluate_vss`

* refactor: factor out `compute_verifying_keys`

* fix full vector of coefficients not being returned

* simplify evaluate_polynomial to not receive constant term separately

* delete accidentally comitted .orig file

* Apply suggestions from code review

Co-authored-by: Marek <mail@marek.onl>

* Update frost-core/src/frost/keys.rs

Co-authored-by: Marek <mail@marek.onl>

* fix doc warnings

Co-authored-by: Marek <mail@marek.onl>
 2022-10-18 19:11:05 -03:00
Conrado Gouvea bea4ef0687
reject identity in Group::deserialize (#145) 2022-10-04 19:05:58 +00:00
Conrado Gouvea be43c4a082 make batch testing generic; remove duplicated Ristretto255 implementation 2022-10-03 15:17:57 -04:00
Conrado Gouvea 298da8f5fd
Make tests generic (#105) 
* make tests generic

* restore serialization test; remove Debug bound by using debugless-unwrap

* fix spacings in Cargo.toml
 2022-09-05 16:34:28 -04:00
Conrado Gouvea 86e1218fa9
use Identifier instead of index (#96) 
* use Identifier instead of index

* remove pub(crate) from the Identifier index

* A comment

* Whitespace for readability

* check for zero in Identifier::to_scalar()

Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com>
 2022-09-01 17:07:50 -03:00
Deirdre Connolly 4cb11ec393
V5 (#89) 
* add commit(), use it instead of preprocess()

* use a single scalarmul in compute_group_commitment per v5 spec

* add nonce_generate() from the spec and use it

* remove Order() from Group trait since it's not used

* style: carriage return

* use Secret instead of KeyPackage in some methods

* change commit to take explicit params and not return vectors

* removed unused import

Co-authored-by: Conrado Gouvea <conradoplg@gmail.com>
 2022-07-19 20:17:20 +00:00
Conrado Gouvea af2839f6dc
Add P-256 support (#77) 
* add support for P-256 curve

* use a fixed-size array for P_256 point encoding (instead of )

* Apply suggestions from code review

Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com>

* frost-p256: remove direct elliptic_curve dependency; use the one from p256

* fix comment in invert()

* frost-p256: rename shorthand alias

* Apply suggestions from code review

Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com>

* improve imports, docs, use expect instead of unwrap

Co-authored-by: Deirdre Connolly <durumcrustulum@gmail.com>
 2022-07-01 14:16:22 +00:00