original_kernel/crypto/asymmetric_keys/x509_parser.h

/* X.509 certificate parser internal definitions
 *
 * 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.
 */

#include <linux/time.h>
#include <crypto/public_key.h>

struct x509_certificate {
	struct x509_certificate *next;
	struct public_key *pub;			/* Public key details */
	char		*issuer;		/* Name of certificate issuer */
	char		*subject;		/* Name of certificate subject */
	char		*fingerprint;		/* Key fingerprint as hex */
	char		*authority;		/* Authority key fingerprint as hex */
	struct tm	valid_from;
	struct tm	valid_to;
	enum pkey_algo	sig_pkey_algo : 8;	/* Signature public key algorithm */
	enum pkey_hash_algo sig_hash_algo : 8;	/* Signature hash algorithm */
	const void	*tbs;			/* Signed data */
	size_t		tbs_size;		/* Size of signed data */
	const void	*sig;			/* Signature data */
	size_t		sig_size;		/* Size of sigature */
};

/*
 * x509_cert_parser.c
 */
extern void x509_free_certificate(struct x509_certificate *cert);
extern struct x509_certificate *x509_cert_parse(const void *data, size_t datalen);