From f1ace6236391c3fbbc384512efd61bf558aac1f6 Mon Sep 17 00:00:00 2001 From: JacobBarthelmeh Date: Tue, 6 Aug 2024 09:12:17 -0600 Subject: [PATCH] add null sanity check and adjust add --- wolfcrypt/src/misc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/wolfcrypt/src/misc.c b/wolfcrypt/src/misc.c index a87909080..163ec1154 100644 --- a/wolfcrypt/src/misc.c +++ b/wolfcrypt/src/misc.c @@ -709,7 +709,7 @@ WC_MISC_STATIC WC_INLINE void w64SetLow32(w64wrapper *n, word32 low) { WC_MISC_STATIC WC_INLINE w64wrapper w64Add32(w64wrapper a, word32 b, byte *wrap) { - a.n = a.n + b; + a.n += b; if (a.n < b && wrap != NULL) *wrap = 1; @@ -719,7 +719,7 @@ WC_MISC_STATIC WC_INLINE w64wrapper w64Add32(w64wrapper a, word32 b, byte *wrap) WC_MISC_STATIC WC_INLINE w64wrapper w64Add(w64wrapper a, w64wrapper b, byte *wrap) { - a.n = a.n + b.n; + a.n += b.n; if (a.n < b.n && wrap != NULL) *wrap = 1; @@ -869,7 +869,7 @@ WC_MISC_STATIC WC_INLINE w64wrapper w64Add(w64wrapper a, w64wrapper b, } a.n[0] += b.n[0]; - if (a.n[0] < b.n[0]) { + if (wrap != NULL && a.n[0] < b.n[0]) { *wrap = 1; }