From c881486bb2597aa29a22225beeeec1d65881ff82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Manuel=20P=C3=A9gouri=C3=A9-Gonnard?=
 <manuel.pegourie-gonnard@arm.com>
Date: Tue, 5 Nov 2019 10:32:37 +0100
Subject: [PATCH] Fix off-by-one number of extra operations

This caused a performance issue.
---
 tinycrypt/ecc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tinycrypt/ecc.c b/tinycrypt/ecc.c
index 674037519..d01c67617 100644
--- a/tinycrypt/ecc.c
+++ b/tinycrypt/ecc.c
@@ -342,7 +342,7 @@ static void uECC_vli_mult_rnd(uECC_word_t *result, const uECC_word_t *left,
 	delays >>= 2;
 	/* k = 0 -> i in [1, 0] -> 0 extra muladd;
 	 * k = 3 -> i in [1, 3] -> 3 extra muladd */
-	for (i = 0; i <= k; ++i) {
+	for (i = 1; i <= k; ++i) {
 		muladd(left[i], right[k - i], &rr0, &rr1, &r2);
 	}
 	r = rr0;