2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include "internal/refcount.h"
12 /* Internal X509 structures and functions: not for application use */
14 /* Note: unless otherwise stated a field pointer is mandatory and should
15 * never be set to NULL: the ASN.1 code and accessors rely on mandatory
16 * fields never being NULL.
20 * name entry structure, equivalent to AttributeTypeAndValue defined
23 struct X509_name_entry_st
{
24 ASN1_OBJECT
*object
; /* AttributeType */
25 ASN1_STRING
*value
; /* AttributeValue */
26 int set
; /* index of RDNSequence for this entry */
27 int size
; /* temp variable */
30 /* Name from RFC 5280. */
32 STACK_OF(X509_NAME_ENTRY
) *entries
; /* DN components */
33 int modified
; /* true if 'bytes' needs to be built */
34 BUF_MEM
*bytes
; /* cached encoding: cannot be NULL */
35 /* canonical encoding used for rapid Name comparison */
36 unsigned char *canon_enc
;
40 /* Signature info structure */
42 struct x509_sig_info_st
{
43 /* NID of message digest */
45 /* NID of public key algorithm */
53 /* PKCS#10 certificate request */
55 struct X509_req_info_st
{
56 ASN1_ENCODING enc
; /* cached encoding of signed part */
57 ASN1_INTEGER
*version
; /* version, defaults to v1(0) so can be NULL */
58 X509_NAME
*subject
; /* certificate request DN */
59 X509_PUBKEY
*pubkey
; /* public key of request */
61 * Zero or more attributes.
62 * NB: although attributes is a mandatory field some broken
63 * encodings omit it so this may be NULL in that case.
65 STACK_OF(X509_ATTRIBUTE
) *attributes
;
69 X509_REQ_INFO req_info
; /* signed certificate request data */
70 X509_ALGOR sig_alg
; /* signature algorithm */
71 ASN1_BIT_STRING
*signature
; /* signature */
72 CRYPTO_REF_COUNT references
;
76 struct X509_crl_info_st
{
77 ASN1_INTEGER
*version
; /* version: defaults to v1(0) so may be NULL */
78 X509_ALGOR sig_alg
; /* signature algorithm */
79 X509_NAME
*issuer
; /* CRL issuer name */
80 ASN1_TIME
*lastUpdate
; /* lastUpdate field */
81 ASN1_TIME
*nextUpdate
; /* nextUpdate field: optional */
82 STACK_OF(X509_REVOKED
) *revoked
; /* revoked entries: optional */
83 STACK_OF(X509_EXTENSION
) *extensions
; /* extensions: optional */
84 ASN1_ENCODING enc
; /* encoding of signed portion of CRL */
88 X509_CRL_INFO crl
; /* signed CRL data */
89 X509_ALGOR sig_alg
; /* CRL signature algorithm */
90 ASN1_BIT_STRING signature
; /* CRL signature */
91 CRYPTO_REF_COUNT references
;
94 * Cached copies of decoded extension values, since extensions
95 * are optional any of these can be NULL.
97 AUTHORITY_KEYID
*akid
;
98 ISSUING_DIST_POINT
*idp
;
99 /* Convenient breakdown of IDP */
102 /* CRL and base CRL numbers for delta processing */
103 ASN1_INTEGER
*crl_number
;
104 ASN1_INTEGER
*base_crl_number
;
105 STACK_OF(GENERAL_NAMES
) *issuers
;
107 unsigned char sha1_hash
[SHA_DIGEST_LENGTH
];
108 /* alternative method to handle this CRL */
109 const X509_CRL_METHOD
*meth
;
114 struct x509_revoked_st
{
115 ASN1_INTEGER serialNumber
; /* revoked entry serial number */
116 ASN1_TIME
*revocationDate
; /* revocation date */
117 STACK_OF(X509_EXTENSION
) *extensions
; /* CRL entry extensions: optional */
118 /* decoded value of CRLissuer extension: set if indirect CRL */
119 STACK_OF(GENERAL_NAME
) *issuer
;
120 /* revocation reason: set to CRL_REASON_NONE if reason extension absent */
123 * CRL entries are reordered for faster lookup of serial numbers. This
124 * field contains the original load sequence for this entry.
130 * This stuff is certificate "auxiliary info": it contains details which are
131 * useful in certificate stores and databases. When used this is tagged onto
132 * the end of the certificate itself. OpenSSL specific structure not defined
136 struct x509_cert_aux_st
{
137 STACK_OF(ASN1_OBJECT
) *trust
; /* trusted uses */
138 STACK_OF(ASN1_OBJECT
) *reject
; /* rejected uses */
139 ASN1_UTF8STRING
*alias
; /* "friendly name" */
140 ASN1_OCTET_STRING
*keyid
; /* key id of private key */
141 STACK_OF(X509_ALGOR
) *other
; /* other unspecified info */
144 struct x509_cinf_st
{
145 ASN1_INTEGER
*version
; /* [ 0 ] default of v1 */
146 ASN1_INTEGER serialNumber
;
147 X509_ALGOR signature
;
152 ASN1_BIT_STRING
*issuerUID
; /* [ 1 ] optional in v2 */
153 ASN1_BIT_STRING
*subjectUID
; /* [ 2 ] optional in v2 */
154 STACK_OF(X509_EXTENSION
) *extensions
; /* [ 3 ] optional in v3 */
161 ASN1_BIT_STRING signature
;
162 X509_SIG_INFO siginf
;
163 CRYPTO_REF_COUNT references
;
164 CRYPTO_EX_DATA ex_data
;
165 /* These contain copies of various extension values */
172 ASN1_OCTET_STRING
*skid
;
173 AUTHORITY_KEYID
*akid
;
174 X509_POLICY_CACHE
*policy_cache
;
175 STACK_OF(DIST_POINT
) *crldp
;
176 STACK_OF(GENERAL_NAME
) *altname
;
177 NAME_CONSTRAINTS
*nc
;
178 # ifndef OPENSSL_NO_RFC3779
179 STACK_OF(IPAddressFamily
) *rfc3779_addr
;
180 struct ASIdentifiers_st
*rfc3779_asid
;
182 unsigned char sha1_hash
[SHA_DIGEST_LENGTH
];
185 volatile int ex_cached
;
186 # ifndef OPENSSL_NO_SM2
187 ASN1_OCTET_STRING sm2_id
;
192 * This is a used when verifying cert chains. Since the gathering of the
193 * cert chain can take some time (and have to be 'retried', this needs to be
194 * kept and passed around.
196 struct x509_store_ctx_st
{ /* X509_STORE_CTX */
198 /* The following are set by the caller */
199 /* The cert to check */
201 /* chain of X509s - untrusted - passed in */
202 STACK_OF(X509
) *untrusted
;
203 /* set of CRLs passed in */
204 STACK_OF(X509_CRL
) *crls
;
205 X509_VERIFY_PARAM
*param
;
206 /* Other info for use with get_issuer() */
208 /* Callbacks for various operations */
209 /* called to verify a certificate */
210 int (*verify
) (X509_STORE_CTX
*ctx
);
212 int (*verify_cb
) (int ok
, X509_STORE_CTX
*ctx
);
213 /* get issuers cert from ctx */
214 int (*get_issuer
) (X509
**issuer
, X509_STORE_CTX
*ctx
, X509
*x
);
216 int (*check_issued
) (X509_STORE_CTX
*ctx
, X509
*x
, X509
*issuer
);
217 /* Check revocation status of chain */
218 int (*check_revocation
) (X509_STORE_CTX
*ctx
);
220 int (*get_crl
) (X509_STORE_CTX
*ctx
, X509_CRL
**crl
, X509
*x
);
221 /* Check CRL validity */
222 int (*check_crl
) (X509_STORE_CTX
*ctx
, X509_CRL
*crl
);
223 /* Check certificate against CRL */
224 int (*cert_crl
) (X509_STORE_CTX
*ctx
, X509_CRL
*crl
, X509
*x
);
225 /* Check policy status of the chain */
226 int (*check_policy
) (X509_STORE_CTX
*ctx
);
227 STACK_OF(X509
) *(*lookup_certs
) (X509_STORE_CTX
*ctx
, X509_NAME
*nm
);
228 STACK_OF(X509_CRL
) *(*lookup_crls
) (X509_STORE_CTX
*ctx
, X509_NAME
*nm
);
229 int (*cleanup
) (X509_STORE_CTX
*ctx
);
230 /* The following is built up */
231 /* if 0, rebuild chain */
233 /* number of untrusted certs */
235 /* chain of X509s - built up and trusted */
236 STACK_OF(X509
) *chain
;
237 /* Valid policy tree */
238 X509_POLICY_TREE
*tree
;
239 /* Require explicit policy value */
241 /* When something goes wrong, this is why */
245 /* cert currently being tested as valid issuer */
246 X509
*current_issuer
;
248 X509_CRL
*current_crl
;
249 /* score of current CRL */
250 int current_crl_score
;
252 unsigned int current_reasons
;
253 /* For CRL path validation: parent context */
254 X509_STORE_CTX
*parent
;
255 CRYPTO_EX_DATA ex_data
;
257 /* signed via bare TA public key, rather than CA certificate */
261 /* PKCS#8 private key info structure */
263 struct pkcs8_priv_key_info_st
{
264 ASN1_INTEGER
*version
;
266 ASN1_OCTET_STRING
*pkey
;
267 STACK_OF(X509_ATTRIBUTE
) *attributes
;
272 ASN1_OCTET_STRING
*digest
;
275 struct x509_object_st
{
276 /* one of the above types */
277 X509_LOOKUP_TYPE type
;
286 int a2i_ipadd(unsigned char *ipout
, const char *ipasc
);
287 int x509_set1_time(ASN1_TIME
**ptm
, const ASN1_TIME
*tm
);
289 void x509_init_sig_info(X509
*x
);