* 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>
Conrado Gouvea