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About

This is a proof-of-concept implementation of Efficient Asymmetric Threshold ECDSA for MPC-based Cold Storage.

Disclaimer

The code is only for demonstration and benchmarking purposes, do not use in production!

The code does not implement any communication between the parties, everything runs in a single process on the same machine and memory is shared between all parties.

Usage

Build:

make

To generate 1000 persignatures, and sign 50 of them, between 5 parties (1 offline and 4 online):

./benchmark -pre 1000 -sign 50 -parties 5

To hide debug info add: -no-print.

To hide timing and communication measurements info add: -no-measure.

To save execution time it is possible to mock execution of some of the protocol phases, add:

  • -mock-key to mock key generation phase.
  • -mock-pre to mock presigning phase.
  • -mock-cmp to mock CMP part of signing phase.