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diff --git a/src/lib/libcrypto/evp/evp_pkey.c b/src/lib/libcrypto/evp/evp_pkey.c
deleted file mode 100644
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--- a/src/lib/libcrypto/evp/evp_pkey.c
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1/* evp_pkey.c */
2/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
3 * project 1999.
4 */
5/* ====================================================================
6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <stdlib.h>
61#include "cryptlib.h"
62#include <openssl/x509.h>
63#include <openssl/rand.h>
64
65#ifndef OPENSSL_NO_DSA
66static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8inf, EVP_PKEY *pkey);
67#endif
68
69/* Extract a private key from a PKCS8 structure */
70
71EVP_PKEY *EVP_PKCS82PKEY (PKCS8_PRIV_KEY_INFO *p8)
72{
73 EVP_PKEY *pkey = NULL;
74#ifndef OPENSSL_NO_RSA
75 RSA *rsa = NULL;
76#endif
77#ifndef OPENSSL_NO_DSA
78 DSA *dsa = NULL;
79 ASN1_INTEGER *privkey;
80 ASN1_TYPE *t1, *t2, *param = NULL;
81 STACK_OF(ASN1_TYPE) *ndsa = NULL;
82 BN_CTX *ctx = NULL;
83 int plen;
84#endif
85 X509_ALGOR *a;
86 unsigned char *p;
87 const unsigned char *cp;
88 int pkeylen;
89 char obj_tmp[80];
90
91 if(p8->pkey->type == V_ASN1_OCTET_STRING) {
92 p8->broken = PKCS8_OK;
93 p = p8->pkey->value.octet_string->data;
94 pkeylen = p8->pkey->value.octet_string->length;
95 } else {
96 p8->broken = PKCS8_NO_OCTET;
97 p = p8->pkey->value.sequence->data;
98 pkeylen = p8->pkey->value.sequence->length;
99 }
100 if (!(pkey = EVP_PKEY_new())) {
101 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
102 return NULL;
103 }
104 a = p8->pkeyalg;
105 switch (OBJ_obj2nid(a->algorithm))
106 {
107#ifndef OPENSSL_NO_RSA
108 case NID_rsaEncryption:
109 cp = p;
110 if (!(rsa = d2i_RSAPrivateKey (NULL,&cp, pkeylen))) {
111 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
112 return NULL;
113 }
114 EVP_PKEY_assign_RSA (pkey, rsa);
115 break;
116#endif
117#ifndef OPENSSL_NO_DSA
118 case NID_dsa:
119 /* PKCS#8 DSA is weird: you just get a private key integer
120 * and parameters in the AlgorithmIdentifier the pubkey must
121 * be recalculated.
122 */
123
124 /* Check for broken DSA PKCS#8, UGH! */
125 if(*p == (V_ASN1_SEQUENCE|V_ASN1_CONSTRUCTED)) {
126 if(!(ndsa = ASN1_seq_unpack_ASN1_TYPE(p, pkeylen,
127 d2i_ASN1_TYPE,
128 ASN1_TYPE_free))) {
129 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
130 goto dsaerr;
131 }
132 if(sk_ASN1_TYPE_num(ndsa) != 2 ) {
133 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
134 goto dsaerr;
135 }
136 /* Handle Two broken types:
137 * SEQUENCE {parameters, priv_key}
138 * SEQUENCE {pub_key, priv_key}
139 */
140
141 t1 = sk_ASN1_TYPE_value(ndsa, 0);
142 t2 = sk_ASN1_TYPE_value(ndsa, 1);
143 if(t1->type == V_ASN1_SEQUENCE) {
144 p8->broken = PKCS8_EMBEDDED_PARAM;
145 param = t1;
146 } else if(a->parameter->type == V_ASN1_SEQUENCE) {
147 p8->broken = PKCS8_NS_DB;
148 param = a->parameter;
149 } else {
150 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
151 goto dsaerr;
152 }
153
154 if(t2->type != V_ASN1_INTEGER) {
155 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
156 goto dsaerr;
157 }
158 privkey = t2->value.integer;
159 } else {
160 if (!(privkey=d2i_ASN1_INTEGER (NULL, &p, pkeylen))) {
161 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
162 goto dsaerr;
163 }
164 param = p8->pkeyalg->parameter;
165 }
166 if (!param || (param->type != V_ASN1_SEQUENCE)) {
167 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
168 goto dsaerr;
169 }
170 cp = p = param->value.sequence->data;
171 plen = param->value.sequence->length;
172 if (!(dsa = d2i_DSAparams (NULL, &cp, plen))) {
173 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_DECODE_ERROR);
174 goto dsaerr;
175 }
176 /* We have parameters now set private key */
177 if (!(dsa->priv_key = ASN1_INTEGER_to_BN(privkey, NULL))) {
178 EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_DECODE_ERROR);
179 goto dsaerr;
180 }
181 /* Calculate public key (ouch!) */
182 if (!(dsa->pub_key = BN_new())) {
183 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
184 goto dsaerr;
185 }
186 if (!(ctx = BN_CTX_new())) {
187 EVPerr(EVP_F_EVP_PKCS82PKEY,ERR_R_MALLOC_FAILURE);
188 goto dsaerr;
189 }
190
191 if (!BN_mod_exp(dsa->pub_key, dsa->g,
192 dsa->priv_key, dsa->p, ctx)) {
193
194 EVPerr(EVP_F_EVP_PKCS82PKEY,EVP_R_BN_PUBKEY_ERROR);
195 goto dsaerr;
196 }
197
198 EVP_PKEY_assign_DSA(pkey, dsa);
199 BN_CTX_free (ctx);
200 if(ndsa) sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
201 else ASN1_INTEGER_free(privkey);
202 break;
203 dsaerr:
204 BN_CTX_free (ctx);
205 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
206 DSA_free(dsa);
207 EVP_PKEY_free(pkey);
208 return NULL;
209 break;
210#endif
211 default:
212 EVPerr(EVP_F_EVP_PKCS82PKEY, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
213 if (!a->algorithm) strlcpy (obj_tmp, "NULL", sizeof obj_tmp);
214 else i2t_ASN1_OBJECT(obj_tmp, 80, a->algorithm);
215 ERR_add_error_data(2, "TYPE=", obj_tmp);
216 EVP_PKEY_free (pkey);
217 return NULL;
218 }
219 return pkey;
220}
221
222PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8(EVP_PKEY *pkey)
223{
224 return EVP_PKEY2PKCS8_broken(pkey, PKCS8_OK);
225}
226
227/* Turn a private key into a PKCS8 structure */
228
229PKCS8_PRIV_KEY_INFO *EVP_PKEY2PKCS8_broken(EVP_PKEY *pkey, int broken)
230{
231 PKCS8_PRIV_KEY_INFO *p8;
232
233 if (!(p8 = PKCS8_PRIV_KEY_INFO_new())) {
234 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
235 return NULL;
236 }
237 p8->broken = broken;
238 ASN1_INTEGER_set (p8->version, 0);
239 if (!(p8->pkeyalg->parameter = ASN1_TYPE_new ())) {
240 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
241 PKCS8_PRIV_KEY_INFO_free (p8);
242 return NULL;
243 }
244 p8->pkey->type = V_ASN1_OCTET_STRING;
245 switch (EVP_PKEY_type(pkey->type)) {
246#ifndef OPENSSL_NO_RSA
247 case EVP_PKEY_RSA:
248
249 if(p8->broken == PKCS8_NO_OCTET) p8->pkey->type = V_ASN1_SEQUENCE;
250
251 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_rsaEncryption);
252 p8->pkeyalg->parameter->type = V_ASN1_NULL;
253 if (!ASN1_pack_string ((char *)pkey, i2d_PrivateKey,
254 &p8->pkey->value.octet_string)) {
255 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
256 PKCS8_PRIV_KEY_INFO_free (p8);
257 return NULL;
258 }
259 break;
260#endif
261#ifndef OPENSSL_NO_DSA
262 case EVP_PKEY_DSA:
263 if(!dsa_pkey2pkcs8(p8, pkey)) {
264 PKCS8_PRIV_KEY_INFO_free (p8);
265 return NULL;
266 }
267
268 break;
269#endif
270 default:
271 EVPerr(EVP_F_EVP_PKEY2PKCS8, EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM);
272 PKCS8_PRIV_KEY_INFO_free (p8);
273 return NULL;
274 }
275 RAND_add(p8->pkey->value.octet_string->data,
276 p8->pkey->value.octet_string->length, 0);
277 return p8;
278}
279
280PKCS8_PRIV_KEY_INFO *PKCS8_set_broken(PKCS8_PRIV_KEY_INFO *p8, int broken)
281{
282 switch (broken) {
283
284 case PKCS8_OK:
285 p8->broken = PKCS8_OK;
286 return p8;
287 break;
288
289 case PKCS8_NO_OCTET:
290 p8->broken = PKCS8_NO_OCTET;
291 p8->pkey->type = V_ASN1_SEQUENCE;
292 return p8;
293 break;
294
295 default:
296 EVPerr(EVP_F_EVP_PKCS8_SET_BROKEN,EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE);
297 return NULL;
298 break;
299
300 }
301}
302
303#ifndef OPENSSL_NO_DSA
304static int dsa_pkey2pkcs8(PKCS8_PRIV_KEY_INFO *p8, EVP_PKEY *pkey)
305{
306 ASN1_STRING *params;
307 ASN1_INTEGER *prkey;
308 ASN1_TYPE *ttmp;
309 STACK_OF(ASN1_TYPE) *ndsa;
310 unsigned char *p, *q;
311 int len;
312
313 p8->pkeyalg->algorithm = OBJ_nid2obj(NID_dsa);
314 len = i2d_DSAparams (pkey->pkey.dsa, NULL);
315 if (!(p = OPENSSL_malloc(len))) {
316 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
317 PKCS8_PRIV_KEY_INFO_free (p8);
318 return 0;
319 }
320 q = p;
321 i2d_DSAparams (pkey->pkey.dsa, &q);
322 params = ASN1_STRING_new();
323 ASN1_STRING_set(params, p, len);
324 OPENSSL_free(p);
325 /* Get private key into integer */
326 if (!(prkey = BN_to_ASN1_INTEGER (pkey->pkey.dsa->priv_key, NULL))) {
327 EVPerr(EVP_F_EVP_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
328 return 0;
329 }
330
331 switch(p8->broken) {
332
333 case PKCS8_OK:
334 case PKCS8_NO_OCTET:
335
336 if (!ASN1_pack_string((char *)prkey, i2d_ASN1_INTEGER,
337 &p8->pkey->value.octet_string)) {
338 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
339 M_ASN1_INTEGER_free (prkey);
340 return 0;
341 }
342
343 M_ASN1_INTEGER_free (prkey);
344 p8->pkeyalg->parameter->value.sequence = params;
345 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
346
347 break;
348
349 case PKCS8_NS_DB:
350
351 p8->pkeyalg->parameter->value.sequence = params;
352 p8->pkeyalg->parameter->type = V_ASN1_SEQUENCE;
353 ndsa = sk_ASN1_TYPE_new_null();
354 ttmp = ASN1_TYPE_new();
355 if (!(ttmp->value.integer = BN_to_ASN1_INTEGER (pkey->pkey.dsa->pub_key, NULL))) {
356 EVPerr(EVP_F_EVP_PKEY2PKCS8,EVP_R_ENCODE_ERROR);
357 PKCS8_PRIV_KEY_INFO_free(p8);
358 return 0;
359 }
360 ttmp->type = V_ASN1_INTEGER;
361 sk_ASN1_TYPE_push(ndsa, ttmp);
362
363 ttmp = ASN1_TYPE_new();
364 ttmp->value.integer = prkey;
365 ttmp->type = V_ASN1_INTEGER;
366 sk_ASN1_TYPE_push(ndsa, ttmp);
367
368 p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
369
370 if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
371 &p8->pkey->value.octet_string->data,
372 &p8->pkey->value.octet_string->length)) {
373
374 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
375 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
376 M_ASN1_INTEGER_free(prkey);
377 return 0;
378 }
379 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
380 break;
381
382 case PKCS8_EMBEDDED_PARAM:
383
384 p8->pkeyalg->parameter->type = V_ASN1_NULL;
385 ndsa = sk_ASN1_TYPE_new_null();
386 ttmp = ASN1_TYPE_new();
387 ttmp->value.sequence = params;
388 ttmp->type = V_ASN1_SEQUENCE;
389 sk_ASN1_TYPE_push(ndsa, ttmp);
390
391 ttmp = ASN1_TYPE_new();
392 ttmp->value.integer = prkey;
393 ttmp->type = V_ASN1_INTEGER;
394 sk_ASN1_TYPE_push(ndsa, ttmp);
395
396 p8->pkey->value.octet_string = ASN1_OCTET_STRING_new();
397
398 if (!ASN1_seq_pack_ASN1_TYPE(ndsa, i2d_ASN1_TYPE,
399 &p8->pkey->value.octet_string->data,
400 &p8->pkey->value.octet_string->length)) {
401
402 EVPerr(EVP_F_EVP_PKEY2PKCS8,ERR_R_MALLOC_FAILURE);
403 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
404 M_ASN1_INTEGER_free (prkey);
405 return 0;
406 }
407 sk_ASN1_TYPE_pop_free(ndsa, ASN1_TYPE_free);
408 break;
409 }
410 return 1;
411}
412#endif
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