mirror/bitcoin
1
0 Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update merkle.cpp

Browse Source 
Change comment from `The reason is that if the number of hashes in the list at a given time
is odd`, to ` The reason is that if the number of hashes in the list at a given level
       is odd` (to be a bit more precise)
This commit is contained in:
4d55397500 authored and GitHub committed 2020-03-18 10:34:53 -07:00
1 parent 3a8d25064e
commit 5b59a19731
1 file changed
+1 -1
Download Patch File Download Diff File Expand all files Collapse all files
src/consensus/merkle.cpp
+1 -1
View File
@@ -10,7 +10,7 @@
that the following merkle tree algorithm has a serious flaw related to that the following merkle tree algorithm has a serious flaw related to
duplicate txids, resulting in a vulnerability (CVE-2012-2459). duplicate txids, resulting in a vulnerability (CVE-2012-2459).
The reason is that if the number of hashes in the list at a given time The reason is that if the number of hashes in the list at a given level
is odd, the last one is duplicated before computing the next level (which is odd, the last one is duplicated before computing the next level (which
is unusual in Merkle trees). This results in certain sequences of is unusual in Merkle trees). This results in certain sequences of
transactions leading to the same merkle root. For example, these two transactions leading to the same merkle root. For example, these two