goto ecerr;
}
- /* calculate public key (if necessary) */
- if (EC_KEY_get0_public_key(eckey) == NULL) {
- const BIGNUM *priv_key;
- const EC_GROUP *group;
- EC_POINT *pub_key;
- /*
- * the public key was not included in the SEC1 private key =>
- * calculate the public key
- */
- group = EC_KEY_get0_group(eckey);
- pub_key = EC_POINT_new(group);
- if (pub_key == NULL) {
- ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
- goto ecliberr;
- }
- if (!EC_POINT_copy(pub_key, EC_GROUP_get0_generator(group))) {
- EC_POINT_free(pub_key);
- ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
- goto ecliberr;
- }
- priv_key = EC_KEY_get0_private_key(eckey);
- if (!EC_POINT_mul(group, pub_key, priv_key, NULL, NULL, NULL)) {
- EC_POINT_free(pub_key);
- ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
- goto ecliberr;
- }
- if (EC_KEY_set_public_key(eckey, pub_key) == 0) {
- EC_POINT_free(pub_key);
- ECerr(EC_F_ECKEY_PRIV_DECODE, ERR_R_EC_LIB);
- goto ecliberr;
- }
- EC_POINT_free(pub_key);
- }
-
EVP_PKEY_assign_EC_KEY(pkey, eckey);
return 1;