Step 1 of RTS.
Generates the "delta" values from the helper with keyPackage_i to send to helpers (which includes the helper with keyPackage_i), to help participant recover their share.
keyPackage_i
helpers
participant
Returns a Map mapping which value should be sent to which participant.
The ciphersuite to use
Array of helper identifiers
The helper's key package
Random number generator
The participant who is repairing their share
Map of identifier to Delta
If parameters are invalid
Step 1 of RTS.
Generates the "delta" values from the helper with
keyPackage_ito send tohelpers(which includes the helper withkeyPackage_i), to helpparticipantrecover their share.Returns a Map mapping which value should be sent to which participant.