The participant with the given identifier recovers their KeyPackage
with the "sigma" values received from all helpers and the PublicKeyPackage
of the group (which can be sent by any of the helpers).
Returns an error if the minSigners field is not set in the PublicKeyPackage.
This happens for PublicKeyPackages created before the 3.0.0 release;
in that case, the user should set the minSigners field manually.
Step 3 of RTS.
The participant with the given
identifierrecovers theirKeyPackagewith the "sigma" values received from all helpers and thePublicKeyPackageof the group (which can be sent by any of the helpers).Returns an error if the
minSignersfield is not set in thePublicKeyPackage. This happens forPublicKeyPackages created before the 3.0.0 release; in that case, the user should set theminSignersfield manually.