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| author | Kenny Root <kroot@google.com> | 2015-09-25 02:36:32 +0000 |
|---|---|---|
| committer | Android Git Automerger <android-git-automerger@android.com> | 2015-09-25 02:36:32 +0000 |
| commit | d947d006e7a7ebcfdfe642e686250caf2028c2c1 (patch) | |
| tree | dd743d9d64af3145fe96b8d5fc2f3427544794bd /src/crypto/bn/montgomery.c | |
| parent | 00bc53f6f4436972b7a8dcf2c1e5fd0ad7515872 (diff) | |
| parent | b8494591d1b1a143f3b192d845c238bbf3bc629d (diff) | |
| download | external_boringssl-d947d006e7a7ebcfdfe642e686250caf2028c2c1.zip external_boringssl-d947d006e7a7ebcfdfe642e686250caf2028c2c1.tar.gz external_boringssl-d947d006e7a7ebcfdfe642e686250caf2028c2c1.tar.bz2 | |
am b8494591: Revert "Revert "external/boringssl: sync with upstream.""
* commit 'b8494591d1b1a143f3b192d845c238bbf3bc629d':
Revert "Revert "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) { |