bitcoin/bips
1
0 Fork 0
mirror of https://github.com/bitcoin/bips.git synced 2026-10-26 19:39:14 +00:00
Code Issues Releases Wiki Activity

Merge pull request #63 from jonasnick/fix-sign-key

Browse Source 
Fix privkey negation in taproot_sign_key
This commit is contained in:
Pieter Wuille authored and GitHub committed 2019-08-29 17:47:24 -07:00
2 parents e1f199989b 02bdf88ef9
commit 51a84fd407
1 file changed
+3 -3
Download Patch File Download Diff File Expand all files Collapse all files
bip-taproot.mediawiki
+3 -3
View File
@@ -200,10 +200,10 @@ See the code below:
<source lang="python">
def taproot_sign_key(script_tree, internal_privkey, hash_type):
internal_pubkey, is_y_qresidue = internal_privkey.pubkey_gen()
if is_y_qresidue:
internal_privkey = internal_privkey.negate()
_, h = taproot_tree_helper(script_tree)
internal_pubkey, is_y_qresidue = internal_privkey.pubkey_gen()
if not is_y_qresidue:
internal_privkey = internal_privkey.negate()
t = tagged_hash("TapTweak", internal_pubkey.get_bytes() + h)
output_privkey = internal_privkey.tweak_add(t)
sig = output_privkey.schnorr_sign(sighash(hash_type))