Performed once by each participant selected for the signing operation.
Receives the message to be signed and a set of signing commitments to be used in that signing operation, including that for this participant.
The signing package from the coordinator
The signer's nonces generated in round 1
The signer's key package
The signature share
Performed once by each participant selected for the signing operation.
Receives the message to be signed and a set of signing commitments to be used in that signing operation, including that for this participant.