fb060a0c4e
Besides reducing the number of arguments, this also removes the R argument from PartialSigAgg which was not defined precisely: * The final nonce ''R'' as created during ''Sign'' or ''PartialSigVerify'': a point Moreover, this paves the way for adding the tweaking, which requires PartialSigAgg to also have access to challenge e and can now be easily computed from the Session Context.