Function commitRound1

commitRound1(
secret: SigningShare<P256Sha256Impl>,
rng: RandomSource,
): [P256SigningNonces, P256SigningCommitments]
Performed once by each participant selected for the signing operation.

Generates the signing nonces and commitments to be used in the signing operation.
Parameters
- secret: SigningShare<P256Sha256Impl>
  The participant's signing share
- rng: RandomSource
  A cryptographically secure random number generator
Returns [P256SigningNonces, P256SigningCommitments]
A tuple of [signing nonces, signing commitments]
- Defined in p256/src/index.ts:1361