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-rw-r--r--src/libkeccak/digest.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libkeccak/digest.c b/src/libkeccak/digest.c
index 0b3005d..d359405 100644
--- a/src/libkeccak/digest.c
+++ b/src/libkeccak/digest.c
@@ -76,7 +76,7 @@ static const uint_fast64_t RC[] =
* @param wmod:int_fast64_t `state->wmod`
* @return :int_fast64_t The value rotated
*/
-#define rotate(x, n, w, wmod) ((((x) >> ((w) - ((n) % (w)))) + ((x) << ((n) % (w)))) & (wmod))
+#define rotate(x, n, w, wmod) ((((x) >> ((w) - ((n) % (w)))) | ((x) << ((n) % (w)))) & (wmod))
/**