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author | Adam Langley <agl@google.com> | 2015-09-24 23:03:06 +0000 |
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committer | Android Git Automerger <android-git-automerger@android.com> | 2015-09-24 23:03:06 +0000 |
commit | c737bc23bc868fff21e5c1b95940813f709ea550 (patch) | |
tree | dd743d9d64af3145fe96b8d5fc2f3427544794bd /src/crypto/bn/montgomery.c | |
parent | 0267d647a4d272af8b9e7c91063d374f7e2775bb (diff) | |
parent | 3781a60670f92c3c6fca860cb4589495cefa2e56 (diff) | |
download | external_boringssl-c737bc23bc868fff21e5c1b95940813f709ea550.zip external_boringssl-c737bc23bc868fff21e5c1b95940813f709ea550.tar.gz external_boringssl-c737bc23bc868fff21e5c1b95940813f709ea550.tar.bz2 |
am 3781a606: am 1e4884f6: external/boringssl: sync with upstream.
* commit '3781a60670f92c3c6fca860cb4589495cefa2e56':
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) { |