Add test for memczero()

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Tim Ruffing committed 2020-03-27 11:07:10 +01:00
1 parent 52a03512c1
commit 01993878bb
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@@ -160,7 +160,7 @@ static SECP256K1_INLINE void *manual_alloc(void** prealloc_ptr, size_t alloc_siz
SECP256K1_GNUC_EXT typedef unsigned __int128 uint128_t;
#endif
/* Zero memory if flag == 1. Constant time. */
/* Zero memory if flag == 1. Flag must be 0 or 1. Constant time. */
static SECP256K1_INLINE void memczero(void *s, size_t len, int flag) {
unsigned char *p = (unsigned char *)s;
/* Access flag with a volatile-qualified lvalue.