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only check prime value with custom curves

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This commit is contained in:
Jacob Barthelmeh
2021-02-06 05:46:19 +07:00
parent c2be5dbe2b
commit 644636e0f8
1 changed files with 4 additions and 4 deletions
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8
wolfcrypt/src/ecc.c
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@ -6931,8 +6931,8 @@ 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));
/* validate prime is prime */
if (err == MP_OKAY) {
/* validate prime is prime for custom curves */
if (err == MP_OKAY && curve->id == ECC_CURVE_CUSTOM) {
int isPrime = MP_NO;
err = mp_prime_is_prime(curve->prime, 8, &isPrime);
if (err == MP_OKAY && isPrime == MP_NO)
@ -7836,8 +7836,8 @@ 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));
/* validate prime is prime */
if (err == MP_OKAY) {
/* validate prime is prime for custom curves */
if (err == MP_OKAY && curve->id == ECC_CURVE_CUSTOM) {
int isPrime = MP_NO;
err = mp_prime_is_prime(curve->prime, 8, &isPrime);
if (err == MP_OKAY && isPrime == MP_NO)