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);
267 int x509_set1_time(ASN1_TIME **ptm, const ASN1_TIME *tm);