4 commits

Author	SHA1	Message	Date
Olaoluwa Osuntokun	d25f072e71	btcec/schnorr/musig2: add test vectors from secp256k1-zkp ... In this commit, we add test vectors which are extracted from the secp256k1-zkp/ codebase and match up with the current draft specification.	2022-04-28 16:19:44 -07:00
Olaoluwa Osuntokun	bb7ba7b1fc	btcec/schnorr/musig2: add partial sig generation, validation, and combination ... In this commit, we build on the prior two commits by adding the ability to generate partial musig2 signatures, validate them individually, and finally combine them into a single signature. Much of the logic here is unoptimized, and will be optimized in a later commit. In addition, we also want to eventually have a nicer API to support the book keeping necessary during multi signing.	2022-04-28 16:19:42 -07:00
Olaoluwa Osuntokun	8343e462a6	btcec/schnorr/musig2: add nonce generation & aggregation funcs ... In this commit, we add the ability to generate the secret+public nonces, as well as combine a series of nonces into a single combined nonce (which is used when doing multi signing).	2022-04-28 16:19:40 -07:00
Olaoluwa Osuntokun	1a65f1ccf0	btcec/schnorr/musig2: add key musig2 key aggregation routines ... In this commit, we add the set of key aggregation routines for musig2. This includes the main public key aggregation method, as well as the aggregation coefficient which is used to compute "mu" when signing. The logic in this implementation is based on the musig2 paper, as well as this spec: https://github.com/ElementsProject/secp256k1-zkp/blob/master/doc/musig-spec.mediawiki.	2022-04-28 16:19:38 -07:00