/* SPDX-License-Identifier: GPL-2.0-or-later */
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/* X.509 certificate parser internal definitions
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*
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* Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*/
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#include <linux/time.h>
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#include <crypto/public_key.h>
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#include <keys/asymmetric-type.h>
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struct x509_certificate {
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struct x509_certificate *next;
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struct x509_certificate *signer; /* Certificate that signed this one */
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struct public_key *pub; /* Public key details */
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struct public_key_signature *sig; /* Signature parameters */
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char *issuer; /* Name of certificate issuer */
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char *subject; /* Name of certificate subject */
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struct asymmetric_key_id *id; /* Issuer + Serial number */
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struct asymmetric_key_id *skid; /* Subject + subjectKeyId (optional) */
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time64_t valid_from;
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time64_t valid_to;
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const void *tbs; /* Signed data */
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unsigned tbs_size; /* Size of signed data */
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unsigned raw_sig_size; /* Size of sigature */
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const void *raw_sig; /* Signature data */
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const void *raw_serial; /* Raw serial number in ASN.1 */
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unsigned raw_serial_size;
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unsigned raw_issuer_size;
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const void *raw_issuer; /* Raw issuer name in ASN.1 */
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const void *raw_subject; /* Raw subject name in ASN.1 */
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unsigned raw_subject_size;
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unsigned raw_skid_size;
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const void *raw_skid; /* Raw subjectKeyId in ASN.1 */
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unsigned index;
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bool seen; /* Infinite recursion prevention */
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bool verified;
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bool self_signed; /* T if self-signed (check unsupported_sig too) */
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bool unsupported_key; /* T if key uses unsupported crypto */
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bool unsupported_sig; /* T if signature uses unsupported crypto */
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bool blacklisted;
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};
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/*
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* x509_cert_parser.c
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*/
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extern void x509_free_certificate(struct x509_certificate *cert);
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extern struct x509_certificate *x509_cert_parse(const void *data, size_t datalen);
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extern int x509_decode_time(time64_t *_t, size_t hdrlen,
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unsigned char tag,
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const unsigned char *value, size_t vlen);
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/*
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* x509_public_key.c
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*/
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extern int x509_get_sig_params(struct x509_certificate *cert);
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extern int x509_check_for_self_signed(struct x509_certificate *cert);
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