ECDH_DATA *ecdh_check(EC_KEY *key)
{
ECDH_DATA *ecdh_data;
void *data = EC_KEY_get_key_method_data(key, ecdh_data_dup,
ecdh_data_free, ecdh_data_free);
if (data == NULL) {
ecdh_data = (ECDH_DATA *)ecdh_data_new();
if (ecdh_data == NULL)
return NULL;
data = EC_KEY_insert_key_method_data(key, (void *)ecdh_data,
ecdh_data_dup, ecdh_data_free,
ecdh_data_free);
if (data != NULL) {
/*
* Another thread raced us to install the key_method data and
* won.
*/
ecdh_data_free(ecdh_data);
ecdh_data = (ECDH_DATA *)data;
}
} else
ecdh_data = (ECDH_DATA *)data;
return ecdh_data;
}
ECDH_DATA *ecdh_check(EC_KEY *key)
{
ECDH_DATA *ecdh_data;
void *data = EC_KEY_get_key_method_data(key, ecdh_data_dup,
ecdh_data_free, ecdh_data_free);
if (data == NULL) {
ecdh_data = (ECDH_DATA *)ecdh_data_new();
if (ecdh_data == NULL)
return NULL;
data = EC_KEY_insert_key_method_data(key, (void *)ecdh_data,
ecdh_data_dup, ecdh_data_free,
ecdh_data_free);
if (data != NULL) {
/*
* Another thread raced us to install the key_method data and
* won.
*/
ecdh_data_free(ecdh_data);
ecdh_data = (ECDH_DATA *)data;
}
} else
ecdh_data = (ECDH_DATA *)data;
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !(ecdh_data->flags & ECDH_FLAG_FIPS_METHOD)
&& !(EC_KEY_get_flags(key) & EC_FLAG_NON_FIPS_ALLOW)) {
ECDHerr(ECDH_F_ECDH_CHECK, ECDH_R_NON_FIPS_METHOD);
return NULL;
}
#endif
return ecdh_data;
}