2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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 "crypto/x509.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 ERR_raise(ERR_LIB_X509, 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_eq(xk, k)) {
93 ERR_raise(ERR_LIB_X509, X509_R_KEY_VALUES_MISMATCH);
96 ERR_raise(ERR_LIB_X509, X509_R_KEY_TYPE_MISMATCH);
100 if (EVP_PKEY_id(k) == EVP_PKEY_EC) {
101 ERR_raise(ERR_LIB_X509, ERR_R_EC_LIB);
105 #ifndef OPENSSL_NO_DH
106 if (EVP_PKEY_id(k) == EVP_PKEY_DH) {
108 ERR_raise(ERR_LIB_X509, X509_R_CANT_CHECK_DH_KEY);
112 ERR_raise(ERR_LIB_X509, X509_R_UNKNOWN_KEY_TYPE);
120 * It seems several organisations had the same idea of including a list of
121 * extensions in a certificate request. There are at least two OIDs that are
122 * used and there may be more: so the list is configurable.
125 static int ext_nid_list[] = { NID_ext_req, NID_ms_ext_req, NID_undef };
127 static int *ext_nids = ext_nid_list;
129 int X509_REQ_extension_nid(int req_nid)
134 if (nid == NID_undef)
136 else if (req_nid == nid)
141 int *X509_REQ_get_extension_nids(void)
146 void X509_REQ_set_extension_nids(int *nids)
151 STACK_OF(X509_EXTENSION) *X509_REQ_get_extensions(X509_REQ *req)
153 X509_ATTRIBUTE *attr;
154 ASN1_TYPE *ext = NULL;
156 const unsigned char *p;
158 if ((req == NULL) || !ext_nids)
160 for (pnid = ext_nids; *pnid != NID_undef; pnid++) {
161 idx = X509_REQ_get_attr_by_NID(req, *pnid, -1);
164 attr = X509_REQ_get_attr(req, idx);
165 ext = X509_ATTRIBUTE_get0_type(attr, 0);
168 if (!ext || (ext->type != V_ASN1_SEQUENCE))
170 p = ext->value.sequence->data;
171 return (STACK_OF(X509_EXTENSION) *)
172 ASN1_item_d2i(NULL, &p, ext->value.sequence->length,
173 ASN1_ITEM_rptr(X509_EXTENSIONS));
177 * Add a STACK_OF extensions to a certificate request: allow alternative OIDs
178 * in case we want to create a non standard one.
181 int X509_REQ_add_extensions_nid(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts,
186 unsigned char *ext = NULL;
187 /* Generate encoding of extensions */
188 extlen = ASN1_item_i2d((ASN1_VALUE *)exts, &ext,
189 ASN1_ITEM_rptr(X509_EXTENSIONS));
192 rv = X509_REQ_add1_attr_by_NID(req, nid, V_ASN1_SEQUENCE, ext, extlen);
197 /* This is the normal usage: use the "official" OID */
198 int X509_REQ_add_extensions(X509_REQ *req, STACK_OF(X509_EXTENSION) *exts)
200 return X509_REQ_add_extensions_nid(req, exts, NID_ext_req);
203 /* Request attribute functions */
205 int X509_REQ_get_attr_count(const X509_REQ *req)
207 return X509at_get_attr_count(req->req_info.attributes);
210 int X509_REQ_get_attr_by_NID(const X509_REQ *req, int nid, int lastpos)
212 return X509at_get_attr_by_NID(req->req_info.attributes, nid, lastpos);
215 int X509_REQ_get_attr_by_OBJ(const X509_REQ *req, const ASN1_OBJECT *obj,
218 return X509at_get_attr_by_OBJ(req->req_info.attributes, obj, lastpos);
221 X509_ATTRIBUTE *X509_REQ_get_attr(const X509_REQ *req, int loc)
223 return X509at_get_attr(req->req_info.attributes, loc);
226 X509_ATTRIBUTE *X509_REQ_delete_attr(X509_REQ *req, int loc)
228 return X509at_delete_attr(req->req_info.attributes, loc);
231 int X509_REQ_add1_attr(X509_REQ *req, X509_ATTRIBUTE *attr)
233 if (X509at_add1_attr(&req->req_info.attributes, attr))
238 int X509_REQ_add1_attr_by_OBJ(X509_REQ *req,
239 const ASN1_OBJECT *obj, int type,
240 const unsigned char *bytes, int len)
242 if (X509at_add1_attr_by_OBJ(&req->req_info.attributes, obj,
248 int X509_REQ_add1_attr_by_NID(X509_REQ *req,
250 const unsigned char *bytes, int len)
252 if (X509at_add1_attr_by_NID(&req->req_info.attributes, nid,
258 int X509_REQ_add1_attr_by_txt(X509_REQ *req,
259 const char *attrname, int type,
260 const unsigned char *bytes, int len)
262 if (X509at_add1_attr_by_txt(&req->req_info.attributes, attrname,
268 long X509_REQ_get_version(const X509_REQ *req)
270 return ASN1_INTEGER_get(req->req_info.version);
273 X509_NAME *X509_REQ_get_subject_name(const X509_REQ *req)
275 return req->req_info.subject;
278 void X509_REQ_get0_signature(const X509_REQ *req, const ASN1_BIT_STRING **psig,
279 const X509_ALGOR **palg)
282 *psig = req->signature;
284 *palg = &req->sig_alg;
287 void X509_REQ_set0_signature(X509_REQ *req, ASN1_BIT_STRING *psig)
290 ASN1_BIT_STRING_free(req->signature);
291 req->signature = psig;
294 int X509_REQ_set1_signature_algo(X509_REQ *req, X509_ALGOR *palg)
296 return X509_ALGOR_copy(&req->sig_alg, palg);
299 int X509_REQ_get_signature_nid(const X509_REQ *req)
301 return OBJ_obj2nid(req->sig_alg.algorithm);
304 int i2d_re_X509_REQ_tbs(X509_REQ *req, unsigned char **pp)
306 req->req_info.enc.modified = 1;
307 return i2d_X509_REQ_INFO(&req->req_info, pp);