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
);
97 i
= X509_REQ_set_pubkey(ret
, pktmp
);
103 if (!X509_REQ_sign(ret
, pkey
, md
))
112 EVP_PKEY
*X509_REQ_get_pubkey(X509_REQ
*req
)
114 if ((req
== NULL
) || (req
->req_info
== NULL
))
116 return (X509_PUBKEY_get(req
->req_info
->pubkey
));
119 int X509_REQ_check_private_key(X509_REQ
*x
, EVP_PKEY
*k
)
124 xk
= X509_REQ_get_pubkey(x
);
125 switch (EVP_PKEY_cmp(xk
, k
)) {
130 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY
,
131 X509_R_KEY_VALUES_MISMATCH
);
134 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY
, X509_R_KEY_TYPE_MISMATCH
);
137 #ifndef OPENSSL_NO_EC
138 if (k
->type
== EVP_PKEY_EC
) {
139 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY
, ERR_R_EC_LIB
);
143 #ifndef OPENSSL_NO_DH
144 if (k
->type
== EVP_PKEY_DH
) {
146 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY
,
147 X509_R_CANT_CHECK_DH_KEY
);
151 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY
, X509_R_UNKNOWN_KEY_TYPE
);
159 * It seems several organisations had the same idea of including a list of
160 * extensions in a certificate request. There are at least two OIDs that are
161 * used and there may be more: so the list is configurable.
164 static int ext_nid_list
[] = { NID_ext_req
, NID_ms_ext_req
, NID_undef
};
166 static int *ext_nids
= ext_nid_list
;
168 int X509_REQ_extension_nid(int req_nid
)
173 if (nid
== NID_undef
)
175 else if (req_nid
== nid
)
180 int *X509_REQ_get_extension_nids(void)
185 void X509_REQ_set_extension_nids(int *nids
)
190 STACK_OF(X509_EXTENSION
) *X509_REQ_get_extensions(X509_REQ
*req
)
192 X509_ATTRIBUTE
*attr
;
193 ASN1_TYPE
*ext
= NULL
;
195 const unsigned char *p
;
197 if ((req
== NULL
) || (req
->req_info
== NULL
) || !ext_nids
)
199 for (pnid
= ext_nids
; *pnid
!= NID_undef
; pnid
++) {
200 idx
= X509_REQ_get_attr_by_NID(req
, *pnid
, -1);
203 attr
= X509_REQ_get_attr(req
, idx
);
205 ext
= attr
->value
.single
;
206 else if (sk_ASN1_TYPE_num(attr
->value
.set
))
207 ext
= sk_ASN1_TYPE_value(attr
->value
.set
, 0);
210 if (!ext
|| (ext
->type
!= V_ASN1_SEQUENCE
))
212 p
= ext
->value
.sequence
->data
;
213 return (STACK_OF(X509_EXTENSION
) *)
214 ASN1_item_d2i(NULL
, &p
, ext
->value
.sequence
->length
,
215 ASN1_ITEM_rptr(X509_EXTENSIONS
));
219 * Add a STACK_OF extensions to a certificate request: allow alternative OIDs
220 * in case we want to create a non standard one.
223 int X509_REQ_add_extensions_nid(X509_REQ
*req
, STACK_OF(X509_EXTENSION
) *exts
,
226 ASN1_TYPE
*at
= NULL
;
227 X509_ATTRIBUTE
*attr
= NULL
;
228 if (!(at
= ASN1_TYPE_new()) || !(at
->value
.sequence
= ASN1_STRING_new()))
231 at
->type
= V_ASN1_SEQUENCE
;
232 /* Generate encoding of extensions */
233 at
->value
.sequence
->length
=
234 ASN1_item_i2d((ASN1_VALUE
*)exts
,
235 &at
->value
.sequence
->data
,
236 ASN1_ITEM_rptr(X509_EXTENSIONS
));
237 if (!(attr
= X509_ATTRIBUTE_new()))
239 if (!(attr
->value
.set
= sk_ASN1_TYPE_new_null()))
241 if (!sk_ASN1_TYPE_push(attr
->value
.set
, at
))
245 attr
->object
= OBJ_nid2obj(nid
);
246 if (!req
->req_info
->attributes
) {
247 if (!(req
->req_info
->attributes
= sk_X509_ATTRIBUTE_new_null()))
250 if (!sk_X509_ATTRIBUTE_push(req
->req_info
->attributes
, attr
))
254 X509_ATTRIBUTE_free(attr
);
259 /* This is the normal usage: use the "official" OID */
260 int X509_REQ_add_extensions(X509_REQ
*req
, STACK_OF(X509_EXTENSION
) *exts
)
262 return X509_REQ_add_extensions_nid(req
, exts
, NID_ext_req
);
265 /* Request attribute functions */
267 int X509_REQ_get_attr_count(const X509_REQ
*req
)
269 return X509at_get_attr_count(req
->req_info
->attributes
);
272 int X509_REQ_get_attr_by_NID(const X509_REQ
*req
, int nid
, int lastpos
)
274 return X509at_get_attr_by_NID(req
->req_info
->attributes
, nid
, lastpos
);
277 int X509_REQ_get_attr_by_OBJ(const X509_REQ
*req
, ASN1_OBJECT
*obj
,
280 return X509at_get_attr_by_OBJ(req
->req_info
->attributes
, obj
, lastpos
);
283 X509_ATTRIBUTE
*X509_REQ_get_attr(const X509_REQ
*req
, int loc
)
285 return X509at_get_attr(req
->req_info
->attributes
, loc
);
288 X509_ATTRIBUTE
*X509_REQ_delete_attr(X509_REQ
*req
, int loc
)
290 return X509at_delete_attr(req
->req_info
->attributes
, loc
);
293 int X509_REQ_add1_attr(X509_REQ
*req
, X509_ATTRIBUTE
*attr
)
295 if (X509at_add1_attr(&req
->req_info
->attributes
, attr
))
300 int X509_REQ_add1_attr_by_OBJ(X509_REQ
*req
,
301 const ASN1_OBJECT
*obj
, int type
,
302 const unsigned char *bytes
, int len
)
304 if (X509at_add1_attr_by_OBJ(&req
->req_info
->attributes
, obj
,
310 int X509_REQ_add1_attr_by_NID(X509_REQ
*req
,
312 const unsigned char *bytes
, int len
)
314 if (X509at_add1_attr_by_NID(&req
->req_info
->attributes
, nid
,
320 int X509_REQ_add1_attr_by_txt(X509_REQ
*req
,
321 const char *attrname
, int type
,
322 const unsigned char *bytes
, int len
)
324 if (X509at_add1_attr_by_txt(&req
->req_info
->attributes
, attrname
,