Release 4.7 include/linux/digsig.h

/*
 * Copyright (C) 2011 Nokia Corporation
 * Copyright (C) 2011 Intel Corporation
 *
 * Author:
 * Dmitry Kasatkin <dmitry.kasatkin@nokia.com>
 *                 <dmitry.kasatkin@intel.com>
 *
 * 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.
 *
 */

#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;
}

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#endif /* CONFIG_SIGNATURE */

#endif /* _DIGSIG_H */
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Directory: include/linux

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