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/* 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 */
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