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/* Support of X.509 certificates
* Copyright (C) 2000 Andreas Hess, Patric Lichtsteiner, Roger Wegmann
* Copyright (C) 2001 Marco Bertossa, Andreas Schleiss
* Copyright (C) 2002 Mario Strasser
* Copyright (C) 2000-2004 Andreas Steffen, Zuercher Hochschule Winterthur
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* RCSID $Id: x509.h,v 1.10 2005/12/06 22:52:44 as Exp $
*/
#ifndef _X509_H
#define _X509_H
#include "pkcs1.h"
#include "id.h"
/* Definition of generalNames kinds */
typedef enum {
GN_OTHER_NAME = 0,
GN_RFC822_NAME = 1,
GN_DNS_NAME = 2,
GN_X400_ADDRESS = 3,
GN_DIRECTORY_NAME = 4,
GN_EDI_PARTY_NAME = 5,
GN_URI = 6,
GN_IP_ADDRESS = 7,
GN_REGISTERED_ID = 8
} generalNames_t;
/* access structure for a GeneralName */
typedef struct generalName generalName_t;
struct generalName {
generalName_t *next;
generalNames_t kind;
chunk_t name;
};
/* access structure for an X.509v3 certificate */
typedef struct x509cert x509cert_t;
struct x509cert {
x509cert_t *next;
time_t installed;
int count;
bool smartcard;
u_char authority_flags;
chunk_t certificate;
chunk_t tbsCertificate;
u_int version;
chunk_t serialNumber;
/* signature */
int sigAlg;
chunk_t issuer;
/* validity */
time_t notBefore;
time_t notAfter;
chunk_t subject;
/* subjectPublicKeyInfo */
enum pubkey_alg subjectPublicKeyAlgorithm;
chunk_t subjectPublicKey;
chunk_t modulus;
chunk_t publicExponent;
/* issuerUniqueID */
/* subjectUniqueID */
/* v3 extensions */
/* extension */
/* extension */
/* extnID */
/* critical */
/* extnValue */
bool isCA;
bool isOcspSigner; /* ocsp */
chunk_t subjectKeyID;
chunk_t authKeyID;
chunk_t authKeySerialNumber;
chunk_t accessLocation; /* ocsp */
generalName_t *subjectAltName;
generalName_t *crlDistributionPoints;
/* signatureAlgorithm */
int algorithm;
chunk_t signature;
};
/* used for initialization */
extern const x509cert_t empty_x509cert;
extern bool same_serial(chunk_t a, chunk_t b);
extern bool same_keyid(chunk_t a, chunk_t b);
extern bool same_dn(chunk_t a, chunk_t b);
extern bool match_dn(chunk_t a, chunk_t b, int *wildcards);
extern bool same_x509cert(const x509cert_t *a, const x509cert_t *b);
extern void hex_str(chunk_t bin, chunk_t *str);
extern int dn_count_wildcards(chunk_t dn);
extern int dntoa(char *dst, size_t dstlen, chunk_t dn);
extern int dntoa_or_null(char *dst, size_t dstlen, chunk_t dn
, const char* null_dn);
extern err_t atodn(char *src, chunk_t *dn);
extern void gntoid(struct id *id, const generalName_t *gn);
extern void compute_subjectKeyID(x509cert_t *cert, chunk_t subjectKeyID);
extern void select_x509cert_id(x509cert_t *cert, struct id *end_id);
extern bool parse_x509cert(chunk_t blob, u_int level0, x509cert_t *cert);
extern time_t parse_time(chunk_t blob, int level0);
extern void parse_authorityKeyIdentifier(chunk_t blob, int level0
, chunk_t *authKeyID, chunk_t *authKeySerialNumber);
extern chunk_t get_directoryName(chunk_t blob, int level, bool implicit);
extern err_t check_validity(const x509cert_t *cert, time_t *until);
extern bool check_signature(chunk_t tbs, chunk_t sig, int digest_alg
, int enc_alg, const x509cert_t *issuer_cert);
extern bool verify_x509cert(const x509cert_t *cert, bool strict, time_t *until);
extern x509cert_t* add_x509cert(x509cert_t *cert);
extern x509cert_t* get_x509cert(chunk_t issuer, chunk_t serial, chunk_t keyid
, x509cert_t* chain);
extern void build_x509cert(x509cert_t *cert, const RSA_public_key_t *cert_key
, const RSA_private_key_t *signer_key);
extern chunk_t build_subjectAltNames(generalName_t *subjectAltNames);
extern void share_x509cert(x509cert_t *cert);
extern void release_x509cert(x509cert_t *cert);
extern void free_x509cert(x509cert_t *cert);
extern void store_x509certs(x509cert_t **firstcert, bool strict);
extern void list_x509cert_chain(const char *caption, x509cert_t* cert
, u_char auth_flags, bool utc);
extern void list_x509_end_certs(bool utc);
extern void free_generalNames(generalName_t* gn, bool free_name);
#endif /* _X509_H */
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