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add null sanity check and adjust add

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JacobBarthelmeh
2024-08-06 09:12:17 -06:00
parent cc2ed4a75b
commit f1ace62363
1 changed files with 3 additions and 3 deletions
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6
wolfcrypt/src/misc.c
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@@ -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;
}