frost/secp256k1-zkp
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4 Commits

Author SHA1 Message Date
Jonas Nick
23900a0d86 Fix the MuSig module after integrating bip-schnorr updates 
1.  using xonly_pubkeys in MuSig for input public keys and the combined
    pk. For that to work we need to store whether the MuSig aggregated point
    has an even y in the session, may need to negate each signers secret
    key and may need to negate each signers public key in
    musig_partial_sig_verify.
2.  using a tagged hash for the message hash.
3.  use !fe_is_odd in place of fe_is_quad_var
 2020-11-04 21:47:09 +00:00
Jonas Nick
96201b4f6e Require message in musig protocol in an earlier state. In particular, 
remove the set_msg function and require the message in get_public_nonce
at the latest.
 2020-07-24 14:59:36 +02:00
Jonas Nick
d924027765 Add tweak32 parameter to musig_partial_sig_combine which allows to sign for p2c/taproot commitments 2020-07-24 14:59:36 +02:00
Jonas Nick
13ef445721 Add 3-of-3 MuSig example 2020-07-24 14:59:36 +02:00