Small tweak.

diff --git a/include/mhash_384.h b/include/mhash_384.h
index ca38e44..73269b9 100644 (file)
--- a/include/mhash_384.h
+++ b/include/mhash_384.h
@@ -1378,7 +1378,7 @@ static MHASH_384_INLINE void mhash_384_update(mhash_384_t *const ctx, const uint
                {
                        ptr_dst[i] = ptr_src[ptr_mix[i]] ^ ptr_xor[i];
                }
-               ctx->idx ^= 1U;
+               ctx->idx = ~ctx->idx;
                ctx->rnd = (ctx->rnd + 1U) % MHASH_384_TSIZE_MIX;
        }
 }
@@ -1386,7 +1386,7 @@ static MHASH_384_INLINE void mhash_384_update(mhash_384_t *const ctx, const uint
 /*Finalization*/
 static MHASH_384_INLINE void mhash_384_finalize(const mhash_384_t *const ctx, uint8_t *const output)
 {
-       const uint8_t *const ptr_src = ctx->digest[ctx->idx];
+       const uint8_t *const ptr_src = ctx->digest[ctx->idx ? 1U : 0U];
        const uint8_t *const ptr_xor = MHASH_384_TABLE_XOR[MHASH_384_TSIZE_XOR-1U];
        uint_fast32_t i;
        for (i = 0; i < MHASH_384_LEN; ++i)