diff options
| author | Linux Build Service Account <lnxbuild@localhost> | 2019-08-01 03:18:11 -0700 |
|---|---|---|
| committer | Linux Build Service Account <lnxbuild@localhost> | 2019-08-01 03:18:11 -0700 |
| commit | 12f1cbf68dc1628166291cc338457cdd752dac49 (patch) | |
| tree | a25f2f1b4643a0f7ed518dc4d6892369fc1da4ca /lib | |
| parent | b67de9bff3349bd73a16cecef3f1c3ef3806d3ed (diff) | |
| parent | 80cb08efce94fb197b05bc1c9dfaeb72a765eb96 (diff) | |
Merge 80cb08efce94fb197b05bc1c9dfaeb72a765eb96 on remote branch
Change-Id: I270427b762a19e22283edf694d7ca2585a228ad1
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mpi/mpi-pow.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/mpi/mpi-pow.c b/lib/mpi/mpi-pow.c index 468fb7cd1221..edf345b7f06b 100644 --- a/lib/mpi/mpi-pow.c +++ b/lib/mpi/mpi-pow.c @@ -37,6 +37,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) { mpi_ptr_t mp_marker = NULL, bp_marker = NULL, ep_marker = NULL; + struct karatsuba_ctx karactx = {}; mpi_ptr_t xp_marker = NULL; mpi_ptr_t tspace = NULL; mpi_ptr_t rp, ep, mp, bp; @@ -164,13 +165,11 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) int c; mpi_limb_t e; mpi_limb_t carry_limb; - struct karatsuba_ctx karactx; xp = xp_marker = mpi_alloc_limb_space(2 * (msize + 1)); if (!xp) goto enomem; - memset(&karactx, 0, sizeof karactx); negative_result = (ep[0] & 1) && base->sign; i = esize - 1; @@ -295,8 +294,6 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) if (mod_shift_cnt) mpihelp_rshift(rp, rp, rsize, mod_shift_cnt); MPN_NORMALIZE(rp, rsize); - - mpihelp_release_karatsuba_ctx(&karactx); } if (negative_result && rsize) { @@ -313,6 +310,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) leave: rc = 0; enomem: + mpihelp_release_karatsuba_ctx(&karactx); if (assign_rp) mpi_assign_limb_space(res, rp, size); if (mp_marker) |