tpec: 2P-ECDSA Signatures

This package contains:

An implementation of Fast Secure Two-Party ECDSA Signing, supporting key generation and two-party signing.
An implementation of 2P-ECDSA Adaptor Signatures detailed in Multi-Hop Locks for Secure, Privacy-Preserving and Interoperable Payment-Channel Networks.
- Single Hop
- Multi-Hop (coming soon)

Prerequisites

go1.11 or higher

GO111MODULE=on go install github.com/cfromknecht/tpec

2P-ECDSA signature for a given message:

tpec -message="hello 2p-ecdsa"

2P-ECDSA signature for a message digest:

tpec -digest=f25b10e68539ba917b2ae2028326ee5ce46c386746b15ae5585813b08f5aceae

To reveal a secret from party 2 to party1, use the -secret flag:

tpec -message="who are you" -secret=20a5beef

For help, run tpec -h.

THIS IS A PROOF OF CONCEPT IMPLEMENTATION BEING USED FOR RESEARCH. USE AT YOUR OWN RISK.

go test -v -bench=. -benchtime=30s

Results computed on 2.8 GHz Intel Core i7 16 GB 2133 MHz LPDDR3

Name		Name	Last commit message	Last commit date
Latest commit History 13 Commits
cmd/tpec		cmd/tpec
.gitignore		.gitignore
LICENSE		LICENSE
README.md		README.md
bench_test.go		bench_test.go
commitment.go		commitment.go
dlog_pok.go		dlog_pok.go
go.mod		go.mod
go.sum		go.sum
keygen.go		keygen.go
paillier_nth_root_proof.go		paillier_nth_root_proof.go
paillier_range_proof.go		paillier_range_proof.go
scriptless_sign.go		scriptless_sign.go
sign.go		sign.go
tpec.go		tpec.go