mirrors/bitcoin-bips
1
0
Fork 0
mirror of https://github.com/bitcoin/bips.git synced 2025-02-26 08:59:43 +01:00
Code Issues Projects Releases Wiki Activity

Merge pull request #128 from codeShark149/tweak_pubkey_change

Browse source 
Internal pubkey calculation fixed in taproot_tweak_pubkey()
This commit is contained in:
Pieter Wuille 2019-11-06 12:48:56 -08:00 • committed by GitHub
commit 3700e18055
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 1 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
bip-taproot.mediawiki
View file

@ -189,7 +189,7 @@ def taproot_tweak_pubkey(pubkey, h):
t = int_from_bytes(tagged_hash("TapTweak", pubkey + h)) t = int_from_bytes(tagged_hash("TapTweak", pubkey + h))
if t >= SECP256K1_ORDER: if t >= SECP256K1_ORDER:
raise ValueError raise ValueError
Q = point_mul(point(pubkey), t) Q = point_add(point(pubkey), point_mul(G, t))
return bytes_from_int(x(Q)), has_square_y(Q) return bytes_from_int(x(Q)), has_square_y(Q)
def taproot_tweak_seckey(seckey0, h): def taproot_tweak_seckey(seckey0, h):