2 * Copyright 1995-2016 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
11 #include "internal/cryptlib.h"
12 #include <openssl/bn.h>
13 #include <openssl/evp.h>
14 #include <openssl/asn1.h>
15 #include <openssl/asn1t.h>
16 #include <openssl/x509.h>
17 #include "internal/x509_int.h"
18 #include <openssl/objects.h>
19 #include <openssl/buffer.h>
20 #include <openssl/pem.h>
22 X509_REQ *X509_to_X509_REQ(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
31 X509err(X509_F_X509_TO_X509_REQ, ERR_R_MALLOC_FAILURE);
37 ri->version->length = 1;
38 ri->version->data = OPENSSL_malloc(1);
39 if (ri->version->data == NULL)
41 ri->version->data[0] = 0; /* version == 0 */
43 if (!X509_REQ_set_subject_name(ret, X509_get_subject_name(x)))
46 pktmp = X509_get0_pubkey(x);
49 i = X509_REQ_set_pubkey(ret, pktmp);
54 if (!X509_REQ_sign(ret, pkey, md))
63 EVP_PKEY *X509_REQ_get_pubkey(X509_REQ *req)
67 return (X509_PUBKEY_get(req->req_info.pubkey));
70 EVP_PKEY *X509_REQ_get0_pubkey(X509_REQ *req)
74 return (X509_PUBKEY_get0(req->req_info.pubkey));
77 X509_PUBKEY *X509_REQ_get_X509_PUBKEY(X509_REQ *req)
79 return req->req_info.pubkey;
82 int X509_REQ_check_private_key(X509_REQ *x, EVP_PKEY *k)
87 xk = X509_REQ_get_pubkey(x);
88 switch (EVP_PKEY_cmp(xk, k)) {
93 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
94 X509_R_KEY_VALUES_MISMATCH);
97 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_KEY_TYPE_MISMATCH);
100 #ifndef OPENSSL_NO_EC
101 if (EVP_PKEY_id(k) == EVP_PKEY_EC) {
102 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, ERR_R_EC_LIB);
106 #ifndef OPENSSL_NO_DH
107 if (EVP_PKEY_id(k) == EVP_PKEY_DH) {
109 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY,
110 X509_R_CANT_CHECK_DH_KEY);
114 X509err(X509_F_X509_REQ_CHECK_PRIVATE_KEY, X509_R_UNKNOWN_KEY_TYPE);
122 * It seems several organisations had the same idea of including a list of
123 * extensions in a certificate request. There are at least two OIDs that are
124 * used and there may be more: so the list is configurable.
127 static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef };
129 static int *ext_nids = ext_nid_list;
131 int X509_REQ_extension_nid(int req_nid)
136 if (nid == NID_undef)
138 else if (req_nid == nid)
143 int *X509_REQ_get_extension_nids(void)
148 void X509_REQ_set_extension_nids(int *nids)
153 STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
155 X509_ATTRIBUTE *attr;
156 ASN1_TYPE *ext = NULL;
158 const unsigned char *p;
160 if ((req == NULL) || !ext_nids)
162 for (pnid = ext_nids; *pnid != NID_undef; pnid++) {
163 idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
166 attr = X509_REQ_get_attr(req, idx);
167 ext = X509_ATTRIBUTE_get0_type(attr, 0);
170 if (!ext || (ext->type != V_ASN1_SEQUENCE))
172 p = ext->value.sequence->data;
173 return (STACK_OF(X509_EXTENSION) *)
174 ASN1_item_d2i(NULL, &p, ext->value.sequence->length,
175 ASN1_ITEM_rptr(X509_EXTENSIONS));
179 * Add a STACK_OF extensions to a certificate request: allow alternative OIDs
180 * in case we want to create a non standard one.
183 int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
188 unsigned char *ext = NULL;
189 /* Generate encoding of extensions */
190 extlen = ASN1_item_i2d((ASN1_VALUE *)exts, &ext,
191 ASN1_ITEM_rptr(X509_EXTENSIONS));
194 rv = X509_REQ_add1_attr_by_NID(req, nid, V_ASN1_SEQUENCE, ext, extlen);
199 /* This is the normal usage: use the "official" OID */
200 int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
202 return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
205 /* Request attribute functions */
207 int X509_REQ_get_attr_count(const X509_REQ *req)
209 return X509at_get_attr_count(req->req_info.attributes);
212 int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos)
214 return X509at_get_attr_by_NID(req->req_info.attributes, nid, lastpos);
217 int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, const ASN1_OBJECT *obj,
220 return X509at_get_attr_by_OBJ(req->req_info.attributes, obj, lastpos);
223 X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
225 return X509at_get_attr(req->req_info.attributes, loc);
228 X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
230 return X509at_delete_attr(req->req_info.attributes, loc);
233 int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
235 if (X509at_add1_attr(&req->req_info.attributes, attr))
240 int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
241 const ASN1_OBJECT *obj, int type,
242 const unsigned char *bytes, int len)
244 if (X509at_add1_attr_by_OBJ(&req->req_info.attributes, obj,
250 int X509_REQ_add1_attr_by_NID(X509_REQ *req,
252 const unsigned char *bytes, int len)
254 if (X509at_add1_attr_by_NID(&req->req_info.attributes, nid,
260 int X509_REQ_add1_attr_by_txt(X509_REQ *req,
261 const char *attrname, int type,
262 const unsigned char *bytes, int len)
264 if (X509at_add1_attr_by_txt(&req->req_info.attributes, attrname,
270 long X509_REQ_get_version(const X509_REQ *req)
272 return ASN1_INTEGER_get(req->req_info.version);
275 X509_NAME *X509_REQ_get_subject_name(const X509_REQ *req)
277 return req->req_info.subject;
280 void X509_REQ_get0_signature(const X509_REQ *req, const ASN1_BIT_STRING **psig,
281 const X509_ALGOR **palg)
284 *psig = req->signature;
286 *palg = &req->sig_alg;
289 int X509_REQ_get_signature_nid(const X509_REQ *req)
291 return OBJ_obj2nid(req->sig_alg.algorithm);
294 int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp)
296 req->req_info.enc.modified = 1;
297 return i2d_X509_REQ_INFO(&req->req_info, pp);