2 * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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 /* Internal X509 structures and functions: not for application use */
12 /* Note: unless otherwise stated a field pointer is mandatory and should
13 * never be set to NULL: the ASN.1 code and accessors rely on mandatory
14 * fields never being NULL.
18 * name entry structure, equivalent to AttributeTypeAndValue defined
21 struct X509_name_entry_st
{
22 ASN1_OBJECT
*object
; /* AttributeType */
23 ASN1_STRING
*value
; /* AttributeValue */
24 int set
; /* index of RDNSequence for this entry */
25 int size
; /* temp variable */
28 /* Name from RFC 5280. */
30 STACK_OF(X509_NAME_ENTRY
) *entries
; /* DN components */
31 int modified
; /* true if 'bytes' needs to be built */
32 BUF_MEM
*bytes
; /* cached encoding: cannot be NULL */
33 /* canonical encoding used for rapid Name comparison */
34 unsigned char *canon_enc
;
38 /* PKCS#10 certificate request */
40 struct X509_req_info_st
{
41 ASN1_ENCODING enc
; /* cached encoding of signed part */
42 ASN1_INTEGER
*version
; /* version, defaults to v1(0) so can be NULL */
43 X509_NAME
*subject
; /* certificate request DN */
44 X509_PUBKEY
*pubkey
; /* public key of request */
46 * Zero or more attributes.
47 * NB: although attributes is a mandatory field some broken
48 * encodings omit it so this may be NULL in that case.
50 STACK_OF(X509_ATTRIBUTE
) *attributes
;
54 X509_REQ_INFO req_info
; /* signed certificate request data */
55 X509_ALGOR sig_alg
; /* signature algorithm */
56 ASN1_BIT_STRING
*signature
; /* signature */
61 struct X509_crl_info_st
{
62 ASN1_INTEGER
*version
; /* version: defaults to v1(0) so may be NULL */
63 X509_ALGOR sig_alg
; /* signature algorithm */
64 X509_NAME
*issuer
; /* CRL issuer name */
65 ASN1_TIME
*lastUpdate
; /* lastUpdate field */
66 ASN1_TIME
*nextUpdate
; /* nextUpdate field: optional */
67 STACK_OF(X509_REVOKED
) *revoked
; /* revoked entries: optional */
68 STACK_OF(X509_EXTENSION
) *extensions
; /* extensions: optional */
69 ASN1_ENCODING enc
; /* encoding of signed portion of CRL */
73 X509_CRL_INFO crl
; /* signed CRL data */
74 X509_ALGOR sig_alg
; /* CRL signature algorithm */
75 ASN1_BIT_STRING signature
; /* CRL signature */
79 * Cached copies of decoded extension values, since extensions
80 * are optional any of these can be NULL.
82 AUTHORITY_KEYID
*akid
;
83 ISSUING_DIST_POINT
*idp
;
84 /* Convenient breakdown of IDP */
87 /* CRL and base CRL numbers for delta processing */
88 ASN1_INTEGER
*crl_number
;
89 ASN1_INTEGER
*base_crl_number
;
90 STACK_OF(GENERAL_NAMES
) *issuers
;
92 unsigned char sha1_hash
[SHA_DIGEST_LENGTH
];
93 /* alternative method to handle this CRL */
94 const X509_CRL_METHOD
*meth
;
99 struct x509_revoked_st
{
100 ASN1_INTEGER serialNumber
; /* revoked entry serial number */
101 ASN1_TIME
*revocationDate
; /* revocation date */
102 STACK_OF(X509_EXTENSION
) *extensions
; /* CRL entry extensions: optional */
103 /* decoded value of CRLissuer extension: set if indirect CRL */
104 STACK_OF(GENERAL_NAME
) *issuer
;
105 /* revocation reason: set to CRL_REASON_NONE if reason extension absent */
108 * CRL entries are reordered for faster lookup of serial numbers. This
109 * field contains the original load sequence for this entry.
115 * This stuff is certificate "auxiliary info": it contains details which are
116 * useful in certificate stores and databases. When used this is tagged onto
117 * the end of the certificate itself. OpenSSL specific structure not defined
121 struct x509_cert_aux_st
{
122 STACK_OF(ASN1_OBJECT
) *trust
; /* trusted uses */
123 STACK_OF(ASN1_OBJECT
) *reject
; /* rejected uses */
124 ASN1_UTF8STRING
*alias
; /* "friendly name" */
125 ASN1_OCTET_STRING
*keyid
; /* key id of private key */
126 STACK_OF(X509_ALGOR
) *other
; /* other unspecified info */
129 struct x509_cinf_st
{
130 ASN1_INTEGER
*version
; /* [ 0 ] default of v1 */
131 ASN1_INTEGER serialNumber
;
132 X509_ALGOR signature
;
137 ASN1_BIT_STRING
*issuerUID
; /* [ 1 ] optional in v2 */
138 ASN1_BIT_STRING
*subjectUID
; /* [ 2 ] optional in v2 */
139 STACK_OF(X509_EXTENSION
) *extensions
; /* [ 3 ] optional in v3 */
146 ASN1_BIT_STRING signature
;
148 CRYPTO_EX_DATA ex_data
;
149 /* These contain copies of various extension values */
156 ASN1_OCTET_STRING
*skid
;
157 AUTHORITY_KEYID
*akid
;
158 X509_POLICY_CACHE
*policy_cache
;
159 STACK_OF(DIST_POINT
) *crldp
;
160 STACK_OF(GENERAL_NAME
) *altname
;
161 NAME_CONSTRAINTS
*nc
;
162 #ifndef OPENSSL_NO_RFC3779
163 STACK_OF(IPAddressFamily
) *rfc3779_addr
;
164 struct ASIdentifiers_st
*rfc3779_asid
;
166 unsigned char sha1_hash
[SHA_DIGEST_LENGTH
];
172 * This is a used when verifying cert chains. Since the gathering of the
173 * cert chain can take some time (and have to be 'retried', this needs to be
174 * kept and passed around.
176 struct x509_store_ctx_st
{ /* X509_STORE_CTX */
178 /* The following are set by the caller */
179 /* The cert to check */
181 /* chain of X509s - untrusted - passed in */
182 STACK_OF(X509
) *untrusted
;
183 /* set of CRLs passed in */
184 STACK_OF(X509_CRL
) *crls
;
185 X509_VERIFY_PARAM
*param
;
186 /* Other info for use with get_issuer() */
188 /* Callbacks for various operations */
189 /* called to verify a certificate */
190 int (*verify
) (X509_STORE_CTX
*ctx
);
192 int (*verify_cb
) (int ok
, X509_STORE_CTX
*ctx
);
193 /* get issuers cert from ctx */
194 int (*get_issuer
) (X509
**issuer
, X509_STORE_CTX
*ctx
, X509
*x
);
196 int (*check_issued
) (X509_STORE_CTX
*ctx
, X509
*x
, X509
*issuer
);
197 /* Check revocation status of chain */
198 int (*check_revocation
) (X509_STORE_CTX
*ctx
);
200 int (*get_crl
) (X509_STORE_CTX
*ctx
, X509_CRL
**crl
, X509
*x
);
201 /* Check CRL validity */
202 int (*check_crl
) (X509_STORE_CTX
*ctx
, X509_CRL
*crl
);
203 /* Check certificate against CRL */
204 int (*cert_crl
) (X509_STORE_CTX
*ctx
, X509_CRL
*crl
, X509
*x
);
205 /* Check policy status of the chain */
206 int (*check_policy
) (X509_STORE_CTX
*ctx
);
207 STACK_OF(X509
) *(*lookup_certs
) (X509_STORE_CTX
*ctx
, X509_NAME
*nm
);
208 STACK_OF(X509_CRL
) *(*lookup_crls
) (X509_STORE_CTX
*ctx
, X509_NAME
*nm
);
209 int (*cleanup
) (X509_STORE_CTX
*ctx
);
210 /* The following is built up */
211 /* if 0, rebuild chain */
213 /* number of untrusted certs */
215 /* chain of X509s - built up and trusted */
216 STACK_OF(X509
) *chain
;
217 /* Valid policy tree */
218 X509_POLICY_TREE
*tree
;
219 /* Require explicit policy value */
221 /* When something goes wrong, this is why */
225 /* cert currently being tested as valid issuer */
226 X509
*current_issuer
;
228 X509_CRL
*current_crl
;
229 /* score of current CRL */
230 int current_crl_score
;
232 unsigned int current_reasons
;
233 /* For CRL path validation: parent context */
234 X509_STORE_CTX
*parent
;
235 CRYPTO_EX_DATA ex_data
;
237 /* signed via bare TA public key, rather than CA certificate */
241 /* PKCS#8 private key info structure */
243 struct pkcs8_priv_key_info_st
{
244 ASN1_INTEGER
*version
;
246 ASN1_OCTET_STRING
*pkey
;
247 STACK_OF(X509_ATTRIBUTE
) *attributes
;
252 ASN1_OCTET_STRING
*digest
;
255 struct x509_object_st
{
256 /* one of the above types */
257 X509_LOOKUP_TYPE type
;
266 int a2i_ipadd(unsigned char *ipout
, const char *ipasc
);