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OpenSSL: Replace EC_GROUP_get_curve_GFp() calls with EC_GROUP_get_curve()

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EC_GROUP_get_curve_GFp() was deprecated in OpenSSL 3.0.
EC_GROUP_get_curve() can be used to do the exact same thing. Add a
backwards compatibility wrapper for older OpenSSL versions to be able to
use this newer function.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2022-03-12 22:35:32 +02:00
parent e2cb0ca1ac
commit 3c61f4db4c
1 changed files with 11 additions and 2 deletions
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13
src/crypto/crypto_openssl.c
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@ -121,6 +121,15 @@ static const unsigned char * ASN1_STRING_get0_data(const ASN1_STRING *x)
#endif /* OpenSSL version < 1.1.0 */
#if OPENSSL_VERSION_NUMBER < 0x10101000L
static int EC_GROUP_get_curve(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
BIGNUM *b, BN_CTX *ctx)
{
return EC_GROUP_get_curve_GFp(group, p, a, b, ctx);
}
#endif /* OpenSSL version < 1.1.1 */
void openssl_load_legacy_provider(void)
{
#if OPENSSL_VERSION_NUMBER >= 0x30000000L
@ -1752,7 +1761,7 @@ struct crypto_ec * crypto_ec_init(int group)
e->b = BN_new();
if (e->group == NULL || e->bnctx == NULL || e->prime == NULL ||
e->order == NULL || e->a == NULL || e->b == NULL ||
!EC_GROUP_get_curve_GFp(e->group, e->prime, e->a, e->b, e->bnctx) ||
!EC_GROUP_get_curve(e->group, e->prime, e->a, e->b, e->bnctx) ||
!EC_GROUP_get_order(e->group, e->order, e->bnctx)) {
crypto_ec_deinit(e);
e = NULL;
@ -2801,7 +2810,7 @@ struct wpabuf * crypto_ec_key_sign_r_s(struct crypto_ec_key *key,
group = EC_KEY_get0_group(eckey);
prime = BN_new();
if (!prime || !group ||
!EC_GROUP_get_curve_GFp(group, prime, NULL, NULL, NULL))
!EC_GROUP_get_curve(group, prime, NULL, NULL, NULL))
goto fail;
prime_len = BN_num_bytes(prime);