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authorOrfeas Stefanos Thyfronitis Litos <o.thyfronitis@ed.ac.uk>2019-11-26 15:30:12 +0000
committerOrfeas Stefanos Thyfronitis Litos <o.thyfronitis@ed.ac.uk>2019-11-26 15:30:12 +0000
commit2e79be9f72cf3253bbfe4cb362287079c1af1429 (patch)
tree8be97eb36d1b89a78a0f7648f67d072bd847f5d7 /bip-taproot.mediawiki
parentb44d5c95311c017c0829f1febc9c2c44a620085b (diff)
Mention that miners could malleate signatures
Diffstat (limited to 'bip-taproot.mediawiki')
-rw-r--r--bip-taproot.mediawiki2
1 files changed, 1 insertions, 1 deletions
diff --git a/bip-taproot.mediawiki b/bip-taproot.mediawiki
index cffbfbb..1b9f831 100644
--- a/bip-taproot.mediawiki
+++ b/bip-taproot.mediawiki
@@ -93,7 +93,7 @@ The following rules apply:
* If the signature is not 64<ref>'''Why permit two signature lengths?''' By making the most common type of <code>hash_type</code> implicit, a byte can often be saved.</ref> or 65 bytes, fail.
* If the signature size is 65 bytes:
** If the final byte is not a valid <code>hash_type</code> (defined hereinafter), fail.
-** If the final byte is <code>0x00</code>, fail<ref>'''Why can the <code>hash_type</code> not be <code>0x00</code> in 65-byte signatures?''' Permitting that would enable malleating 64-byte signatures into 65-byte ones, resulting in a different `wtxid` and a different fee rate than the creator intended</ref>.
+** If the final byte is <code>0x00</code>, fail<ref>'''Why can the <code>hash_type</code> not be <code>0x00</code> in 65-byte signatures?''' Permitting that would enable malleating (by third parties, including miners) 64-byte signatures into 65-byte ones, resulting in a different `wtxid` and a different fee rate than the creator intended</ref>.
** If the first 64 bytes are not a valid signature according to bip-schnorr for the public key and message set to the transaction digest with <code>hash_type</code> set as the final byte, fail.
* If the signature size is 64 bytes:
** If it is not a valid signature according to bip-schnorr for the public key and the <code>hash_type = 0x00</code> transaction digest as message, fail.