| commit | 88fca3ef0e497a64d39ee40766e8b780beaba914 | [log] [download] |
|---|---|---|
| author | Manuel Pégourié-Gonnard <mpg@elzevir.fr> | Fri Mar 27 15:06:07 2015 +0100 |
| committer | Manuel Pégourié-Gonnard <mpg@elzevir.fr> | Fri Mar 27 15:12:05 2015 +0100 |
| tree | 91b2dd78f031816f964956654e6ba96bf53b40cb | |
| parent | 39ead3ef2f7513352c415136737c2c8a00ccb4ac [diff] |
Fix thread safety issue in RSA operations The race was due to mpi_exp_mod storing a Montgomery coefficient in the context (RM, RP, RQ). The fix was verified with -fsanitize-thread using ssl_pthread_server and two concurrent clients. A more fine-grained fix should be possible, locking just enough time to check if those values are OK and set them if not, rather than locking for the whole mpi_exp_mod() operation, but it will be for later.