Release 4.7 include/crypto/public_key.h

/* Asymmetric public-key algorithm definitions
 *
 * See Documentation/crypto/asymmetric-keys.txt
 *
 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#ifndef _LINUX_PUBLIC_KEY_H

#define _LINUX_PUBLIC_KEY_H

/*
 * Cryptographic data for the public-key subtype of the asymmetric key type.
 *
 * Note that this may include private part of the key as well as the public
 * part.
 */

struct public_key {
	
void *key;
	
u32 keylen;
	
const char *id_type;
	
const char *pkey_algo;
};

extern void public_key_free(struct public_key *key);

/*
 * Public key cryptography signature data
 */

struct public_key_signature {
	
struct asymmetric_key_id *auth_ids[2];
	
u8 *s;			/* Signature */
	
u32 s_size;		/* Number of bytes in signature */
	
u8 *digest;
	
u8 digest_size;		/* Number of bytes in digest */
	
const char *pkey_algo;
	
const char *hash_algo;
};

extern void public_key_signature_free(struct public_key_signature *sig);

extern struct asymmetric_key_subtype public_key_subtype;

struct key;
struct key_type;
union key_payload;

extern int restrict_link_by_signature(struct key *trust_keyring,
				      const struct key_type *type,
				      const union key_payload *payload);

extern int verify_signature(const struct key *key,
			    const struct public_key_signature *sig);

int public_key_verify_signature(const struct public_key *pkey,
				const struct public_key_signature *sig);

#endif /* _LINUX_PUBLIC_KEY_H */
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david howells
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tadeusz struk
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Directory: include/crypto

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