[GitHub/exynos8895/android_kernel_samsung_universal8895.git] / 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 x509_certificate *signer;	/* Certificate that signed this one */
	struct public_key *pub;			/* Public key details */
	struct public_key_signature sig;	/* Signature parameters */
	char		*issuer;		/* Name of certificate issuer */
	char		*subject;		/* Name of certificate subject */
	struct asymmetric_key_id *id;		/* Issuer + Serial number */
	struct asymmetric_key_id *skid;		/* Subject + subjectKeyId (optional) */
	struct asymmetric_key_id *akid_id;	/* CA AuthKeyId matching ->id (optional) */
	struct asymmetric_key_id *akid_skid;	/* CA AuthKeyId matching ->skid (optional) */
	time64_t	valid_from;
	time64_t	valid_to;
	const void	*tbs;			/* Signed data */
	unsigned	tbs_size;		/* Size of signed data */
	unsigned	raw_sig_size;		/* Size of sigature */
	const void	*raw_sig;		/* Signature data */
	const void	*raw_serial;		/* Raw serial number in ASN.1 */
	unsigned	raw_serial_size;
	unsigned	raw_issuer_size;
	const void	*raw_issuer;		/* Raw issuer name in ASN.1 */
	const void	*raw_subject;		/* Raw subject name in ASN.1 */
	unsigned	raw_subject_size;
	unsigned	raw_skid_size;
	const void	*raw_skid;		/* Raw subjectKeyId in ASN.1 */
	unsigned	index;
	bool		seen;			/* Infinite recursion prevention */
	bool		verified;
	bool		trusted;
	bool		unsupported_crypto;	/* T if can't be verified due to missing crypto */
};

/*
 * 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);
extern int x509_decode_time(time64_t *_t,  size_t hdrlen,
			    unsigned char tag,
			    const unsigned char *value, size_t vlen);

/*
 * x509_public_key.c
 */
extern int x509_get_sig_params(struct x509_certificate *cert);
extern int x509_check_signature(const struct public_key *pub,
				struct x509_certificate *cert);
Commit	Line	Data
c26fd69f DH	1	/* X.509 certificate parser internal definitions
	2	*
	3	* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
	4	* Written by David Howells (dhowells@redhat.com)
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public Licence
	8	* as published by the Free Software Foundation; either version
	9	* 2 of the Licence, or (at your option) any later version.
	10	*/
	11
57be4a78	12	#include <linux/time.h>
c26fd69f DH	13	#include <crypto/public_key.h>
	14
	15	struct x509_certificate {
	16	struct x509_certificate *next;
84aabd46	17	struct x509_certificate signer; / Certificate that signed this one */
c26fd69f	18	struct public_key pub; / Public key details */
84aabd46	19	struct public_key_signature sig; /* Signature parameters */
c26fd69f DH	20	char issuer; / Name of certificate issuer */
c26fd69f DH	21	char subject; / Name of certificate subject */
b92e6570	22	struct asymmetric_key_id id; / Issuer + Serial number */
8dd60980	23	struct asymmetric_key_id skid; / Subject + subjectKeyId (optional) */
b92e6570 DH	24	struct asymmetric_key_id akid_id; / CA AuthKeyId matching ->id (optional) */
b92e6570 DH	25	struct asymmetric_key_id akid_skid; / CA AuthKeyId matching ->skid (optional) */
fd19a3d1 DH	26	time64_t valid_from;
fd19a3d1 DH	27	time64_t valid_to;
c26fd69f	28	const void tbs; / Signed data */
b426beb6 DH	29	unsigned tbs_size; /* Size of signed data */
	30	unsigned raw_sig_size; /* Size of sigature */
	31	const void raw_sig; / Signature data */
84aabd46 DH	32	const void raw_serial; / Raw serial number in ASN.1 */
	33	unsigned raw_serial_size;
	34	unsigned raw_issuer_size;
	35	const void raw_issuer; / Raw issuer name in ASN.1 */
	36	const void raw_subject; / Raw subject name in ASN.1 */
	37	unsigned raw_subject_size;
dd2f6c44 DH	38	unsigned raw_skid_size;
dd2f6c44 DH	39	const void raw_skid; / Raw subjectKeyId in ASN.1 */
84aabd46 DH	40	unsigned index;
	41	bool seen; /* Infinite recursion prevention */
	42	bool verified;
	43	bool trusted;
41559420	44	bool unsupported_crypto; /* T if can't be verified due to missing crypto */
c26fd69f DH	45	};
	46
	47	/*
	48	* x509_cert_parser.c
	49	*/
	50	extern void x509_free_certificate(struct x509_certificate *cert);
	51	extern struct x509_certificate x509_cert_parse(const void data, size_t datalen);
fd19a3d1 DH	52	extern int x509_decode_time(time64_t *_t, size_t hdrlen,
	53	unsigned char tag,
	54	const unsigned char *value, size_t vlen);
b426beb6 DH	55
	56	/*
	57	* x509_public_key.c
	58	*/
	59	extern int x509_get_sig_params(struct x509_certificate *cert);
	60	extern int x509_check_signature(const struct public_key *pub,
	61	struct x509_certificate *cert);