ssize_t calculate_signature_space(pesign_context *ctx)
{
int rc;
SECItem sig = { 0, };
rc = generate_spc_signed_data(&sig, &ctx->cms_ctx);
if (rc < 0) {
err:
fprintf(stderr, "Could not generate signature.\n");
exit(1);
}
data_directory *dd = NULL;
rc = pe_getdatadir(ctx->outpe, &dd);
if (rc < 0)
goto err;
ssize_t ret = sig.len + dd->certs.size + sizeof(win_certificate) -
available_cert_space(ctx);
//free(sig.data);
return ret;
}
void
check_signature_space(pesign_context *ctx)
{
ssize_t available = available_cert_space(ctx->outpe);
if (available < ctx->cms_ctx->newsig.len) {
fprintf(stderr, "Could not add new signature: insufficient space.\n");
exit(1);
}
}
