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| author | Adam Langley <agl@google.com> | 2015-09-24 22:57:25 +0000 |
|---|---|---|
| committer | Android Git Automerger <android-git-automerger@android.com> | 2015-09-24 22:57:25 +0000 |
| commit | 3781a60670f92c3c6fca860cb4589495cefa2e56 (patch) | |
| tree | dd743d9d64af3145fe96b8d5fc2f3427544794bd /src/crypto/bn/montgomery.c | |
| parent | 4ca36931e543512682d75e8e6d923144261dfd4d (diff) | |
| parent | 1e4884f615b20946411a74e41eb9c6aa65e2d5f3 (diff) | |
| download | external_boringssl-3781a60670f92c3c6fca860cb4589495cefa2e56.zip external_boringssl-3781a60670f92c3c6fca860cb4589495cefa2e56.tar.gz external_boringssl-3781a60670f92c3c6fca860cb4589495cefa2e56.tar.bz2 | |
am 1e4884f6: external/boringssl: sync with upstream.
* commit '1e4884f615b20946411a74e41eb9c6aa65e2d5f3':
external/boringssl: sync with upstream.
Diffstat (limited to 'src/crypto/bn/montgomery.c')
| -rw-r--r-- | src/crypto/bn/montgomery.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/crypto/bn/montgomery.c b/src/crypto/bn/montgomery.c index 152cf2d..c6c9c88 100644 --- a/src/crypto/bn/montgomery.c +++ b/src/crypto/bn/montgomery.c @@ -110,6 +110,7 @@ #include <string.h> +#include <openssl/err.h> #include <openssl/mem.h> #include <openssl/thread.h> @@ -176,6 +177,11 @@ int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx) { BIGNUM tmod; BN_ULONG buf[2]; + if (BN_is_zero(mod)) { + OPENSSL_PUT_ERROR(BN, BN_R_DIV_BY_ZERO); + return 0; + } + BN_CTX_start(ctx); Ri = BN_CTX_get(ctx); if (Ri == NULL) { |