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authorDmitry Belyavskiy <beldmit@gmail.com>2020-09-18 16:27:41 +0300
committerDmitry Belyavskiy <beldmit@gmail.com>2020-09-18 16:29:54 +0300
commit22d446a1f4320318704d4050b0486567505dc960 (patch)
tree8f7636f50998d33c978095979b5fc87ee2a5bfcd
parent16b2dd87b36105d549b29ee0f34284350c8024c0 (diff)
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Strict alignment Kuznyechik bugfix
(cherry picked from commit 1997dd99db27383a89d1f91bd4d7091b553ca6ee)
-rw-r--r--gost_grasshopper_math.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/gost_grasshopper_math.h b/gost_grasshopper_math.h
index 43341a8..87d1265 100644
--- a/gost_grasshopper_math.h
+++ b/gost_grasshopper_math.h
@@ -77,9 +77,15 @@ static GRASSHOPPER_INLINE void grasshopper_copy128(grasshopper_w128_t* to, const
static GRASSHOPPER_INLINE void grasshopper_append128(grasshopper_w128_t* x, const grasshopper_w128_t* y) {
int i;
+#ifdef STRICT_ALIGNMENT
+ for (i = 0; i < 16; i++) {
+ GRASSHOPPER_ACCESS_128_VALUE_8(*x, i) ^= GRASSHOPPER_ACCESS_128_VALUE_8(*y, i);
+ }
+#else
for (i = 0; i < GRASSHOPPER_BIT_PARTS; i++) {
GRASSHOPPER_ACCESS_128_VALUE(*x, i) ^= GRASSHOPPER_ACCESS_128_VALUE(*y, i);
}
+#endif
}
static GRASSHOPPER_INLINE void grasshopper_plus128(grasshopper_w128_t* result, const grasshopper_w128_t* x,