linux/include/linux/digsig.h
Thomas Gleixner b886d83c5b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441
Based on 1 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license as published by
  the free software foundation version 2 of the license

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 315 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Armijn Hemel <armijn@tjaldur.nl>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190115.503150771@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-05 17:37:17 +02:00

61 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2011 Nokia Corporation
* Copyright (C) 2011 Intel Corporation
*
* Author:
* Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
* <dmitry.kasatkin@intel.com>
*/
#ifndef _DIGSIG_H
#define _DIGSIG_H
#include <linux/key.h>
enum pubkey_algo {
PUBKEY_ALGO_RSA,
PUBKEY_ALGO_MAX,
};
enum digest_algo {
DIGEST_ALGO_SHA1,
DIGEST_ALGO_SHA256,
DIGEST_ALGO_MAX
};
struct pubkey_hdr {
uint8_t version; /* key format version */
uint32_t timestamp; /* key made, always 0 for now */
uint8_t algo;
uint8_t nmpi;
char mpi[0];
} __packed;
struct signature_hdr {
uint8_t version; /* signature format version */
uint32_t timestamp; /* signature made */
uint8_t algo;
uint8_t hash;
uint8_t keyid[8];
uint8_t nmpi;
char mpi[0];
} __packed;
#if defined(CONFIG_SIGNATURE) || defined(CONFIG_SIGNATURE_MODULE)
int digsig_verify(struct key *keyring, const char *sig, int siglen,
const char *digest, int digestlen);
#else
static inline int digsig_verify(struct key *keyring, const char *sig,
int siglen, const char *digest, int digestlen)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_SIGNATURE */
#endif /* _DIGSIG_H */