1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
59 #include "internal/cryptlib.h"
60 #include <openssl/bn.h>
61 #include <openssl/evp.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
64 #include <openssl/x509.h>
65 #include "internal/x509_int.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 = 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_get0_pubkey(x);
97 i = X509_REQ_set_pubkey(ret, pktmp);
102 if (!X509_REQ_sign(ret, pkey, md))
111 EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
115 return (X509_PUBKEY_get(req->req_info.pubkey));
118 EVP_PKEY *X509_REQ_get0_pubkey(X509_REQ *req)
122 return (X509_PUBKEY_get0(req->req_info.pubkey));
125 X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *req)
127 return req->req_info.pubkey;
130 int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
135 xk = X509_REQ_get_pubkey(x);
136 switch (EVP_PKEY_cmp(xk, k)) {
141 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
142 X509_R_KEY_VALUES_MISMATCH);
145 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH);
148 #ifndef OPENSSL_NO_EC
149 if (EVP_PKEY_id(k) == EVP_PKEY_EC) {
150 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
154 #ifndef OPENSSL_NO_DH
155 if (EVP_PKEY_id(k) == EVP_PKEY_DH) {
157 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
158 X509_R_CANT_CHECK_DH_KEY);
162 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE);
170 * It seems several organisations had the same idea of including a list of
171 * extensions in a certificate request. There are at least two OIDs that are
172 * used and there may be more: so the list is configurable.
175 static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef };
177 static int *ext_nids = ext_nid_list;
179 int X509_REQ_extension_nid(int req_nid)
184 if (nid == NID_undef)
186 else if (req_nid == nid)
191 int *X509_REQ_get_extension_nids(void)
196 void X509_REQ_set_extension_nids(int *nids)
201 STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
203 X509_ATTRIBUTE *attr;
204 ASN1_TYPE *ext = NULL;
206 const unsigned char *p;
208 if ((req == NULL) || !ext_nids)
210 for (pnid = ext_nids; *pnid != NID_undef; pnid++) {
211 idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
214 attr = X509_REQ_get_attr(req, idx);
215 ext = X509_ATTRIBUTE_get0_type(attr, 0);
218 if (!ext || (ext->type != V_ASN1_SEQUENCE))
220 p = ext->value.sequence->data;
221 return (STACK_OF(X509_EXTENSION) *)
222 ASN1_item_d2i(NULL, &p, ext->value.sequence->length,
223 ASN1_ITEM_rptr(X509_EXTENSIONS));
227 * Add a STACK_OF extensions to a certificate request: allow alternative OIDs
228 * in case we want to create a non standard one.
231 int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
236 unsigned char *ext = NULL;
237 /* Generate encoding of extensions */
238 extlen = ASN1_item_i2d((ASN1_VALUE *)exts, &ext,
239 ASN1_ITEM_rptr(X509_EXTENSIONS));
242 rv = X509_REQ_add1_attr_by_NID(req, nid, V_ASN1_SEQUENCE, ext, extlen);
247 /* This is the normal usage: use the "official" OID */
248 int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
250 return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
253 /* Request attribute functions */
255 int X509_REQ_get_attr_count(const X509_REQ *req)
257 return X509at_get_attr_count(req->req_info.attributes);
260 int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos)
262 return X509at_get_attr_by_NID(req->req_info.attributes, nid, lastpos);
265 int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, ASN1_OBJECT *obj,
268 return X509at_get_attr_by_OBJ(req->req_info.attributes, obj, lastpos);
271 X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
273 return X509at_get_attr(req->req_info.attributes, loc);
276 X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
278 return X509at_delete_attr(req->req_info.attributes, loc);
281 int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
283 if (X509at_add1_attr(&req->req_info.attributes, attr))
288 int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
289 const ASN1_OBJECT *obj, int type,
290 const unsigned char *bytes, int len)
292 if (X509at_add1_attr_by_OBJ(&req->req_info.attributes, obj,
298 int X509_REQ_add1_attr_by_NID(X509_REQ *req,
300 const unsigned char *bytes, int len)
302 if (X509at_add1_attr_by_NID(&req->req_info.attributes, nid,
308 int X509_REQ_add1_attr_by_txt(X509_REQ *req,
309 const char *attrname, int type,
310 const unsigned char *bytes, int len)
312 if (X509at_add1_attr_by_txt(&req->req_info.attributes, attrname,
318 long X509_REQ_get_version(X509_REQ *req)
320 return ASN1_INTEGER_get(req->req_info.version);
323 X509_NAME *X509_REQ_get_subject_name(X509_REQ *req)
325 return req->req_info.subject;
328 void X509_REQ_get0_signature(ASN1_BIT_STRING **psig, X509_ALGOR **palg,
332 *psig = req->signature;
334 *palg = &req->sig_alg;
337 int X509_REQ_get_signature_nid(const X509_REQ *req)
339 return OBJ_obj2nid(req->sig_alg.algorithm);
342 int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp)
344 req->req_info.enc.modified = 1;
345 return i2d_X509_REQ_INFO(&req->req_info, pp);