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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/* X.509 certificate parser internal definitions3 *4 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.5 * Written by David Howells (dhowells@redhat.com)6 */7 8#include <linux/cleanup.h>9#include <linux/time.h>10#include <crypto/public_key.h>11#include <keys/asymmetric-type.h>12 13struct x509_certificate {14 struct x509_certificate *next;15 struct x509_certificate *signer; /* Certificate that signed this one */16 struct public_key *pub; /* Public key details */17 struct public_key_signature *sig; /* Signature parameters */18 char *issuer; /* Name of certificate issuer */19 char *subject; /* Name of certificate subject */20 struct asymmetric_key_id *id; /* Issuer + Serial number */21 struct asymmetric_key_id *skid; /* Subject + subjectKeyId (optional) */22 time64_t valid_from;23 time64_t valid_to;24 const void *tbs; /* Signed data */25 unsigned tbs_size; /* Size of signed data */26 unsigned raw_sig_size; /* Size of signature */27 const void *raw_sig; /* Signature data */28 const void *raw_serial; /* Raw serial number in ASN.1 */29 unsigned raw_serial_size;30 unsigned raw_issuer_size;31 const void *raw_issuer; /* Raw issuer name in ASN.1 */32 const void *raw_subject; /* Raw subject name in ASN.1 */33 unsigned raw_subject_size;34 unsigned raw_skid_size;35 const void *raw_skid; /* Raw subjectKeyId in ASN.1 */36 unsigned index;37 bool seen; /* Infinite recursion prevention */38 bool verified;39 bool self_signed; /* T if self-signed (check unsupported_sig too) */40 bool unsupported_sig; /* T if signature uses unsupported crypto */41 bool blacklisted;42};43 44/*45 * x509_cert_parser.c46 */47extern void x509_free_certificate(struct x509_certificate *cert);48DEFINE_FREE(x509_free_certificate, struct x509_certificate *,49 if (!IS_ERR(_T)) x509_free_certificate(_T))50extern struct x509_certificate *x509_cert_parse(const void *data, size_t datalen);51extern int x509_decode_time(time64_t *_t, size_t hdrlen,52 unsigned char tag,53 const unsigned char *value, size_t vlen);54 55/*56 * x509_public_key.c57 */58extern int x509_get_sig_params(struct x509_certificate *cert);59extern int x509_check_for_self_signed(struct x509_certificate *cert);60