brintos

brintos / linux-shallow public Read only

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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