#include <linux/kernel.h>
#include <linux/errno.h>
+#include <linux/string.h>
#include <keys/system_keyring.h>
#include <crypto/public_key.h>
#include "module-internal.h"
+enum pkey_id_type {
+ PKEY_ID_PGP, /* OpenPGP generated key ID */
+ PKEY_ID_X509, /* X.509 arbitrary subjectKeyIdentifier */
+ PKEY_ID_PKCS7, /* Signature in PKCS#7 message */
+};
+
/*
* Module signature information block.
*