AggregateTssMessages takes a list of TSS messages and build an aggregate consisting of unencrypted broadcast part and encrypted point-to-point parts intended for specific receivers.

GenerateTssPartiesIDs converts group member indexes to parties ID suitable for the TSS protocol execution.

ResolveSortedTssPartyID resolves the TSS party ID for the given member index based on the sorted parties IDs stored in the given TSS parameters set.

IdentityConverter takes care of conversions between protocol-agnostic member indexes and TSS-specific party IDs.