/* SPDX-License-Identifier: GPL-2.0-or-later */
/* X.509 certificate parser internal definitions
*
* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
* Written by David Howells ([email protected])
*/
#include <linux/cleanup.h>
#include <linux/time.h>
#include <crypto/public_key.h>
#include <keys/asymmetric-type.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) */
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 signature */
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 self_signed; /* T if self-signed (check unsupported_sig too) */
bool unsupported_sig; /* T if signature uses unsupported crypto */
bool blacklisted;
};
/*
* x509_cert_parser.c
*/
extern void x509_free_certificate(struct x509_certificate *cert);
DEFINE_FREE(x509_free_certificate, struct x509_certificate *,
if (!IS_ERR(_T)) x509_free_certificate(_T))
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_for_self_signed(struct x509_certificate *cert);