diff options
| -rw-r--r-- | crypto/ec/curve448/arch_64/arch_intrinsics.h | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/crypto/ec/curve448/arch_64/arch_intrinsics.h b/crypto/ec/curve448/arch_64/arch_intrinsics.h index ef611b903f..30be38e99b 100644 --- a/crypto/ec/curve448/arch_64/arch_intrinsics.h +++ b/crypto/ec/curve448/arch_64/arch_intrinsics.h @@ -13,13 +13,11 @@ #ifndef OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H # define OSSL_CRYPTO_EC_CURVE448_ARCH_64_INTRINSICS_H +# include "internal/constant_time.h" + # define ARCH_WORD_BITS 64 -static ossl_inline uint64_t word_is_zero(uint64_t a) -{ - /* let's hope the compiler isn't clever enough to optimize this. */ - return (((__uint128_t) a) - 1) >> 64; -} +# define word_is_zero(a) constant_time_is_zero_64(a) static ossl_inline uint128_t widemul(uint64_t a, uint64_t b) { |