DSA *
isns_dsa_load_params(const char *filename)
{
FILE *fp;
DSA *dsa;
if (!filename) {
isns_error("Cannot generate key - no DSA parameter file\n");
return NULL;
}
if (!(fp = fopen(filename, "r"))) {
isns_error("Unable to open %s: %m\n", filename);
return NULL;
}
dsa = PEM_read_DSAparams(fp, NULL, NULL, NULL);
fclose(fp);
if (dsa == NULL) {
isns_dsasig_report_errors("Error loading DSA parameters",
isns_error);
}
return dsa;
}
inline dsa_key dsa_key::from_parameters(file _file, pem_passphrase_callback_type callback, void* callback_arg)
{
return take_ownership(PEM_read_DSAparams(_file.raw(), NULL, callback, callback_arg));
}
