invalid_header
if (invalid_header(dd, "module_type", css->module_type,
invalid_header(dd, "header_len", css->header_len,
invalid_header(dd, "header_version", css->header_version,
invalid_header(dd, "module_vendor", css->module_vendor,
invalid_header(dd, "key_size", css->key_size, KEY_SIZE / 4) ||
invalid_header(dd, "modulus_size", css->modulus_size,
invalid_header(dd, "exponent_size", css->exponent_size,