Distinct proof contexts per participant

boltlabs-inc / tss-ecdsa

An implementation of a threshold ECDSA signature scheme

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Distinct proof contexts per participant #532

Closed naure closed 3 months ago

naure commented 3 months ago

This PR adds the participant ID to the context of each proof. This is as specified in the paper, such that there is no risk of someone replaying someone else’s proofs.

This applies to AuxInfo and PreSign. See https://github.com/boltlabs-inc/tss-ecdsa/pull/530 for the same in KeyGen and KeyRefresh.