1 /* crypto/x509/x509_req.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
61 #include <openssl/bn.h>
62 #include <openssl/evp.h>
63 #include <openssl/asn1.h>
64 #include <openssl/asn1t.h>
65 #include <openssl/x509.h>
66 #include <openssl/objects.h>
67 #include <openssl/buffer.h>
68 #include <openssl/pem.h>
70 X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
79 X509err(X509_F_X509_TO_X509_REQ, ERR_R_MALLOC_FAILURE);
85 ri->version->length = 1;
86 ri->version->data = (unsigned char *)OPENSSL_malloc(1);
87 if (ri->version->data == NULL)
89 ri->version->data[0] = 0; /* version == 0 */
91 if (!X509_REQ_set_subject_name(ret, X509_get_subject_name(x)))
94 pktmp = X509_get_pubkey(x);
95 i = X509_REQ_set_pubkey(ret, pktmp);
101 if (!X509_REQ_sign(ret, pkey, md))
110 EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
112 if ((req == NULL) || (req->req_info == NULL))
114 return (X509_PUBKEY_get(req->req_info->pubkey));
117 int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
122 xk = X509_REQ_get_pubkey(x);
123 switch (EVP_PKEY_cmp(xk, k)) {
128 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
129 X509_R_KEY_VALUES_MISMATCH);
132 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH);
135 #ifndef OPENSSL_NO_EC
136 if (k->type == EVP_PKEY_EC) {
137 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
141 #ifndef OPENSSL_NO_DH
142 if (k->type == EVP_PKEY_DH) {
144 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
145 X509_R_CANT_CHECK_DH_KEY);
149 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE);
157 * It seems several organisations had the same idea of including a list of
158 * extensions in a certificate request. There are at least two OIDs that are
159 * used and there may be more: so the list is configurable.
162 static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef };
164 static int *ext_nids = ext_nid_list;
166 int X509_REQ_extension_nid(int req_nid)
171 if (nid == NID_undef)
173 else if (req_nid == nid)
178 int *X509_REQ_get_extension_nids(void)
183 void X509_REQ_set_extension_nids(int *nids)
188 STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
190 X509_ATTRIBUTE *attr;
191 ASN1_TYPE *ext = NULL;
193 const unsigned char *p;
195 if ((req == NULL) || (req->req_info == NULL) || !ext_nids)
197 for (pnid = ext_nids; *pnid != NID_undef; pnid++) {
198 idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
201 attr = X509_REQ_get_attr(req, idx);
203 ext = attr->value.single;
204 else if (sk_ASN1_TYPE_num(attr->value.set))
205 ext = sk_ASN1_TYPE_value(attr->value.set, 0);
208 if (!ext || (ext->type != V_ASN1_SEQUENCE))
210 p = ext->value.sequence->data;
211 return (STACK_OF(X509_EXTENSION) *)
212 ASN1_item_d2i(NULL, &p, ext->value.sequence->length,
213 ASN1_ITEM_rptr(X509_EXTENSIONS));
217 * Add a STACK_OF extensions to a certificate request: allow alternative OIDs
218 * in case we want to create a non standard one.
221 int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
224 ASN1_TYPE *at = NULL;
225 X509_ATTRIBUTE *attr = NULL;
226 if (!(at = ASN1_TYPE_new()) || !(at->value.sequence = ASN1_STRING_new()))
229 at->type = V_ASN1_SEQUENCE;
230 /* Generate encoding of extensions */
231 at->value.sequence->length =
232 ASN1_item_i2d((ASN1_VALUE *)exts,
233 &at->value.sequence->data,
234 ASN1_ITEM_rptr(X509_EXTENSIONS));
235 if (!(attr = X509_ATTRIBUTE_new()))
237 if (!(attr->value.set = sk_ASN1_TYPE_new_null()))
239 if (!sk_ASN1_TYPE_push(attr->value.set, at))
243 attr->object = OBJ_nid2obj(nid);
244 if (!req->req_info->attributes) {
245 if (!(req->req_info->attributes = sk_X509_ATTRIBUTE_new_null()))
248 if (!sk_X509_ATTRIBUTE_push(req->req_info->attributes, attr))
252 X509_ATTRIBUTE_free(attr);
257 /* This is the normal usage: use the "official" OID */
258 int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
260 return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
263 /* Request attribute functions */
265 int X509_REQ_get_attr_count(const X509_REQ *req)
267 return X509at_get_attr_count(req->req_info->attributes);
270 int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos)
272 return X509at_get_attr_by_NID(req->req_info->attributes, nid, lastpos);
275 int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
278 return X509at_get_attr_by_OBJ(req->req_info->attributes, obj, lastpos);
281 X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
283 return X509at_get_attr(req->req_info->attributes, loc);
286 X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
288 return X509at_delete_attr(req->req_info->attributes, loc);
291 int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
293 if (X509at_add1_attr(&req->req_info->attributes, attr))
298 int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
299 const ASN1_OBJECT *obj, int type,
300 const unsigned char *bytes, int len)
302 if (X509at_add1_attr_by_OBJ(&req->req_info->attributes, obj,
308 int X509_REQ_add1_attr_by_NID(X509_REQ *req,
310 const unsigned char *bytes, int len)
312 if (X509at_add1_attr_by_NID(&req->req_info->attributes, nid,
318 int X509_REQ_add1_attr_by_txt(X509_REQ *req,
319 const char *attrname, int type,
320 const unsigned char *bytes, int len)
322 if (X509at_add1_attr_by_txt(&req->req_info->attributes, attrname,