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conditional compile and check on idx

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This commit is contained in:
Jacob Barthelmeh 2021-02-08 06:10:04 +07:00
parent 644636e0f8
commit cced2038b8
1 changed files with 6 additions and 2 deletions
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8
wolfcrypt/src/ecc.c
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@ -6931,13 +6931,15 @@ int wc_ecc_import_point_der_ex(byte* in, word32 inLen, const int curve_idx,
(ECC_CURVE_FIELD_PRIME | ECC_CURVE_FIELD_AF |
ECC_CURVE_FIELD_BF));
#ifdef WOLFSSL_CUSTOM_CURVES
/* validate prime is prime for custom curves */
if (err == MP_OKAY && curve->id == ECC_CURVE_CUSTOM) {
if (err == MP_OKAY && curve_idx == ECC_CUSTOM_IDX) {
int isPrime = MP_NO;
err = mp_prime_is_prime(curve->prime, 8, &isPrime);
if (err == MP_OKAY && isPrime == MP_NO)
err = MP_VAL;
}
#endif
/* compute x^3 */
if (err == MP_OKAY)
@ -7836,13 +7838,15 @@ int wc_ecc_import_x963_ex(const byte* in, word32 inLen, ecc_key* key,
(ECC_CURVE_FIELD_PRIME | ECC_CURVE_FIELD_AF |
ECC_CURVE_FIELD_BF));
#ifdef WOLFSSL_CUSTOM_CURVES
/* validate prime is prime for custom curves */
if (err == MP_OKAY && curve->id == ECC_CURVE_CUSTOM) {
if (err == MP_OKAY && key->idx == ECC_CUSTOM_IDX) {
int isPrime = MP_NO;
err = mp_prime_is_prime(curve->prime, 8, &isPrime);
if (err == MP_OKAY && isPrime == MP_NO)
err = MP_VAL;
}
#endif
/* compute x^3 */
if (err == MP_OKAY)