R4R: EdDSA with Schnorr support using the secp256k1 curve (Taproot support) #22
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added 11 commits
December 21, 2021 13:19
…proot. Work in Progress.
… an odd Y coordinate, add aG to it so as to ensure R with even Y coordinate. Even though BIP 340 states that only R.X is used, the R recalculation in btcd/btcec/v2 's Signature.schnorrVerify checks if R = s*G - e*P. Without adding aG to R, it could have an odd Y coordinate and fail verification. This commit also fixed a previous serialization problem with s.
…ng algorithm externally.
gcsfred2
changed the title
…arameter to functions. Updating the protobuf import package.
… No functional change to protocol.
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EdDSA with Schnorr support using the secp256k1 curve.