threshold-lib

module

v1.0.1 Latest Latest Go to latest Published: Aug 28, 2023 License: Apache-2.0

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This library is a Golang implementation of {2,n}-threshold ECDSA and Ed25519.

This library supports the following functions:

2-party ECDSA signature, using Feldman's VSS generate key shares and Lindell 17 protocol for 2-party signature.
2-party Ed25519 signature.
Bip32 key derivation, support key share unhardened derivation, chaincode is generated by n parties.
Key share refresh, when one party key share is lost or a new participant comes in, support refresh.

See the Threshold Signature Scheme for more detailed information about the library.