github/MP-SPDZ
1
1
Fork 0
mirror of https://github.com/data61/MP-SPDZ.git synced 2026-01-08 21:18:03 -05:00
Code Issues Packages Projects Releases Wiki Activity

Security bug: Add missing MAC checks in multi-threaded programs.

Browse Source
This commit is contained in:
Marcel Keller
2023-07-18 19:42:54 +10:00
parent b35d0d555b
commit 5e714b22af
1 changed files with 3 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Processor/Processor.hpp
View File

@@ -443,7 +443,7 @@ void Processor<sint, sgf2n>::write_shares_to_file(long start_pos,
template <class T>
void SubProcessor<T>::POpen(const Instruction& inst)
{
if (inst.get_n())
if (inst.get_n() or BaseMachine::s().nthreads > 0)
check();
auto& reg = inst.get_start();
int size = inst.get_size();
@@ -457,6 +457,8 @@ void SubProcessor<T>::POpen(const Instruction& inst)
for (auto it = reg.begin(); it < reg.end(); it += 2)
for (int i = 0; i < size; i++)
C[*it + i] = MC.finalize_open();
if (inst.get_n() or BaseMachine::s().nthreads > 0)
check();
if (Proc != 0)
{