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| author | Adam Langley <agl@chromium.org> | 2016-01-15 01:00:33 +0000 |
|---|---|---|
| committer | android-build-merger <android-build-merger@google.com> | 2016-01-15 01:00:33 +0000 |
| commit | 6290bff2114c67a0d1a57e75b0a11544ad894406 (patch) | |
| tree | 80b47f41b8e3971267452f49e48560c9c36434e2 /src/crypto/bn/add.c | |
| parent | 7410f4ee26ae91ef240e8e767e9f91e83ba32d38 (diff) | |
| parent | 4139edb02e59e7ad48e0a8f4c02e45923bc8a344 (diff) | |
| download | external_boringssl-6290bff2114c67a0d1a57e75b0a11544ad894406.zip external_boringssl-6290bff2114c67a0d1a57e75b0a11544ad894406.tar.gz external_boringssl-6290bff2114c67a0d1a57e75b0a11544ad894406.tar.bz2 | |
external/boringssl: sync to 7b8b9c17
am: 4139edb02e
* commit '4139edb02e59e7ad48e0a8f4c02e45923bc8a344':
external/boringssl: sync to 7b8b9c17
Diffstat (limited to 'src/crypto/bn/add.c')
| -rw-r--r-- | src/crypto/bn/add.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/src/crypto/bn/add.c b/src/crypto/bn/add.c index a043d83..23f9f80 100644 --- a/src/crypto/bn/add.c +++ b/src/crypto/bn/add.c @@ -56,6 +56,8 @@ #include <openssl/bn.h> +#include <string.h> + #include <openssl/err.h> #include <openssl/mem.h> @@ -311,27 +313,8 @@ int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b) { } } - if (rp != ap) { - for (;;) { - if (!dif--) { - break; - } - rp[0] = ap[0]; - if (!dif--) { - break; - } - rp[1] = ap[1]; - if (!dif--) { - break; - } - rp[2] = ap[2]; - if (!dif--) { - break; - } - rp[3] = ap[3]; - rp += 4; - ap += 4; - } + if (dif > 0 && rp != ap) { + memcpy(rp, ap, sizeof(*rp) * dif); } r->top = max; |