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hardcode numwords in semi-internal vli_isZero

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This commit is contained in:
Manuel Pégourié-Gonnard 2019-11-04 12:44:43 +01:00
parent 02d9d21fd6
commit f3899fc0ea
3 changed files with 13 additions and 12 deletions
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6
tinycrypt/ecc_dsa.c
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@ -121,13 +121,13 @@ int uECC_sign_with_k(const uint8_t *private_key, const uint8_t *message_hash,
/* Make sure 0 < k < curve_n */
if (uECC_vli_isZero(k, num_words) ||
if (uECC_vli_isZero(k) ||
uECC_vli_cmp(curve->n, k, num_n_words) != 1) {
return 0;
}
r = EccPoint_mult_safer(p, curve->G, k, curve);
if (r == 0 || uECC_vli_isZero(p, num_words)) {
if (r == 0 || uECC_vli_isZero(p)) {
return 0;
}
@ -232,7 +232,7 @@ int uECC_verify(const uint8_t *public_key, const uint8_t *message_hash,
uECC_vli_bytesToNative(s, signature + curve->num_bytes, curve->num_bytes);
/* r, s must not be 0. */
if (uECC_vli_isZero(r, num_words) || uECC_vli_isZero(s, num_words)) {
if (uECC_vli_isZero(r) || uECC_vli_isZero(s)) {
return 0;
}