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add option to not use CT code with min/max

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JacobBarthelmeh
2025-06-02 16:40:36 +01:00
parent b8aa4bd84b
commit 838636c76b
1 changed files with 4 additions and 2 deletions
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6
wolfcrypt/src/misc.c
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@@ -761,7 +761,8 @@ WC_MISC_STATIC WC_INLINE void ctMaskCopy(byte mask, byte* dst, byte* src,
/* returns the smaller of a and b */ /* returns the smaller of a and b */
WC_MISC_STATIC WC_INLINE word32 min(word32 a, word32 b) WC_MISC_STATIC WC_INLINE word32 min(word32 a, word32 b)
{ {
#if !defined(WOLFSSL_NO_CT_OPS) && defined(WORD64_AVAILABLE) #if !defined(WOLFSSL_NO_CT_OPS) && !defined(WOLFSSL_NO_CT_MAX_MIN) && \
defined(WORD64_AVAILABLE)
word32 gte_mask = (word32)ctMaskWord32GTE(a, b); word32 gte_mask = (word32)ctMaskWord32GTE(a, b);
return (a & ~gte_mask) | (b & gte_mask); return (a & ~gte_mask) | (b & gte_mask);
#else /* WOLFSSL_NO_CT_OPS */ #else /* WOLFSSL_NO_CT_OPS */
@@ -777,7 +778,8 @@ WC_MISC_STATIC WC_INLINE void ctMaskCopy(byte mask, byte* dst, byte* src,
#endif #endif
WC_MISC_STATIC WC_INLINE word32 max(word32 a, word32 b) WC_MISC_STATIC WC_INLINE word32 max(word32 a, word32 b)
{ {
#if !defined(WOLFSSL_NO_CT_OPS) && defined(WORD64_AVAILABLE) #if !defined(WOLFSSL_NO_CT_OPS) && !defined(WOLFSSL_NO_CT_MAX_MIN) && \
defined(WORD64_AVAILABLE)
word32 gte_mask = (word32)ctMaskWord32GTE(a, b); word32 gte_mask = (word32)ctMaskWord32GTE(a, b);
return (a & gte_mask) | (b & ~gte_mask); return (a & gte_mask) | (b & ~gte_mask);
#else /* WOLFSSL_NO_CT_OPS */ #else /* WOLFSSL_NO_CT_OPS */