162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 262306a36Sopenharmony_ci/* X.509 certificate parser internal definitions 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved. 562306a36Sopenharmony_ci * Written by David Howells (dhowells@redhat.com) 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <linux/time.h> 962306a36Sopenharmony_ci#include <crypto/public_key.h> 1062306a36Sopenharmony_ci#include <keys/asymmetric-type.h> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cistruct x509_certificate { 1362306a36Sopenharmony_ci struct x509_certificate *next; 1462306a36Sopenharmony_ci struct x509_certificate *signer; /* Certificate that signed this one */ 1562306a36Sopenharmony_ci struct public_key *pub; /* Public key details */ 1662306a36Sopenharmony_ci struct public_key_signature *sig; /* Signature parameters */ 1762306a36Sopenharmony_ci char *issuer; /* Name of certificate issuer */ 1862306a36Sopenharmony_ci char *subject; /* Name of certificate subject */ 1962306a36Sopenharmony_ci struct asymmetric_key_id *id; /* Issuer + Serial number */ 2062306a36Sopenharmony_ci struct asymmetric_key_id *skid; /* Subject + subjectKeyId (optional) */ 2162306a36Sopenharmony_ci time64_t valid_from; 2262306a36Sopenharmony_ci time64_t valid_to; 2362306a36Sopenharmony_ci const void *tbs; /* Signed data */ 2462306a36Sopenharmony_ci unsigned tbs_size; /* Size of signed data */ 2562306a36Sopenharmony_ci unsigned raw_sig_size; /* Size of signature */ 2662306a36Sopenharmony_ci const void *raw_sig; /* Signature data */ 2762306a36Sopenharmony_ci const void *raw_serial; /* Raw serial number in ASN.1 */ 2862306a36Sopenharmony_ci unsigned raw_serial_size; 2962306a36Sopenharmony_ci unsigned raw_issuer_size; 3062306a36Sopenharmony_ci const void *raw_issuer; /* Raw issuer name in ASN.1 */ 3162306a36Sopenharmony_ci const void *raw_subject; /* Raw subject name in ASN.1 */ 3262306a36Sopenharmony_ci unsigned raw_subject_size; 3362306a36Sopenharmony_ci unsigned raw_skid_size; 3462306a36Sopenharmony_ci const void *raw_skid; /* Raw subjectKeyId in ASN.1 */ 3562306a36Sopenharmony_ci unsigned index; 3662306a36Sopenharmony_ci bool seen; /* Infinite recursion prevention */ 3762306a36Sopenharmony_ci bool verified; 3862306a36Sopenharmony_ci bool self_signed; /* T if self-signed (check unsupported_sig too) */ 3962306a36Sopenharmony_ci bool unsupported_sig; /* T if signature uses unsupported crypto */ 4062306a36Sopenharmony_ci bool blacklisted; 4162306a36Sopenharmony_ci}; 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci/* 4462306a36Sopenharmony_ci * x509_cert_parser.c 4562306a36Sopenharmony_ci */ 4662306a36Sopenharmony_ciextern void x509_free_certificate(struct x509_certificate *cert); 4762306a36Sopenharmony_ciextern struct x509_certificate *x509_cert_parse(const void *data, size_t datalen); 4862306a36Sopenharmony_ciextern int x509_decode_time(time64_t *_t, size_t hdrlen, 4962306a36Sopenharmony_ci unsigned char tag, 5062306a36Sopenharmony_ci const unsigned char *value, size_t vlen); 5162306a36Sopenharmony_ci 5262306a36Sopenharmony_ci/* 5362306a36Sopenharmony_ci * x509_public_key.c 5462306a36Sopenharmony_ci */ 5562306a36Sopenharmony_ciextern int x509_get_sig_params(struct x509_certificate *cert); 5662306a36Sopenharmony_ciextern int x509_check_for_self_signed(struct x509_certificate *cert); 57