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Fix off-by-one number of extra operations

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This caused a performance issue.
This commit is contained in:
Manuel Pégourié-Gonnard
2019-11-05 10:32:37 +01:00
parent ad166d8db7
commit c881486bb2
1 changed files with 1 additions and 1 deletions
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2
tinycrypt/ecc.c
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@@ -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;