pem_all.c revision 296341 
1/* crypto/pem/pem_all.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
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.
8 *
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).
15 *
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.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
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)"
40 *
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
51 * SUCH DAMAGE.
52 *
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.]
57 */
58/* ====================================================================
59 * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
60 *
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
63 * are met:
64 *
65 * 1. Redistributions of source code must retain the above copyright
66 *    notice, this list of conditions and the following disclaimer.
67 *
68 * 2. Redistributions in binary form must reproduce the above copyright
69 *    notice, this list of conditions and the following disclaimer in
70 *    the documentation and/or other materials provided with the
71 *    distribution.
72 *
73 * 3. All advertising materials mentioning features or use of this
74 *    software must display the following acknowledgment:
75 *    "This product includes software developed by the OpenSSL Project
76 *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 *
78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79 *    endorse or promote products derived from this software without
80 *    prior written permission. For written permission, please contact
81 *    openssl-core@openssl.org.
82 *
83 * 5. Products derived from this software may not be called "OpenSSL"
84 *    nor may "OpenSSL" appear in their names without prior written
85 *    permission of the OpenSSL Project.
86 *
87 * 6. Redistributions of any form whatsoever must retain the following
88 *    acknowledgment:
89 *    "This product includes software developed by the OpenSSL Project
90 *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 *
92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103 * OF THE POSSIBILITY OF SUCH DAMAGE.
104 * ====================================================================
105 *
106 * This product includes cryptographic software written by Eric Young
107 * (eay@cryptsoft.com).  This product includes software written by Tim
108 * Hudson (tjh@cryptsoft.com).
109 *
110 */
111
112#include <stdio.h>
113#include "cryptlib.h"
114#include <openssl/bio.h>
115#include <openssl/evp.h>
116#include <openssl/x509.h>
117#include <openssl/pkcs7.h>
118#include <openssl/pem.h>
119#ifndef OPENSSL_NO_RSA
120# include <openssl/rsa.h>
121#endif
122#ifndef OPENSSL_NO_DSA
123# include <openssl/dsa.h>
124#endif
125#ifndef OPENSSL_NO_DH
126# include <openssl/dh.h>
127#endif
128
129#ifndef OPENSSL_NO_RSA
130static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa);
131#endif
132#ifndef OPENSSL_NO_DSA
133static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa);
134#endif
135
136#ifndef OPENSSL_NO_EC
137static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey);
138#endif
139
140IMPLEMENT_PEM_rw(X509_REQ, X509_REQ, PEM_STRING_X509_REQ, X509_REQ)
141
142IMPLEMENT_PEM_write(X509_REQ_NEW, X509_REQ, PEM_STRING_X509_REQ_OLD, X509_REQ)
143IMPLEMENT_PEM_rw(X509_CRL, X509_CRL, PEM_STRING_X509_CRL, X509_CRL)
144IMPLEMENT_PEM_rw(PKCS7, PKCS7, PEM_STRING_PKCS7, PKCS7)
145
146IMPLEMENT_PEM_rw(NETSCAPE_CERT_SEQUENCE, NETSCAPE_CERT_SEQUENCE,
147                 PEM_STRING_X509, NETSCAPE_CERT_SEQUENCE)
148#ifndef OPENSSL_NO_RSA
149/*
150 * We treat RSA or DSA private keys as a special case. For private keys we
151 * read in an EVP_PKEY structure with PEM_read_bio_PrivateKey() and extract
152 * the relevant private key: this means can handle "traditional" and PKCS#8
153 * formats transparently.
154 */
155static RSA *pkey_get_rsa(EVP_PKEY *key, RSA **rsa)
156{
157    RSA *rtmp;
158    if (!key)
159        return NULL;
160    rtmp = EVP_PKEY_get1_RSA(key);
161    EVP_PKEY_free(key);
162    if (!rtmp)
163        return NULL;
164    if (rsa) {
165        RSA_free(*rsa);
166        *rsa = rtmp;
167    }
168    return rtmp;
169}
170
171RSA *PEM_read_bio_RSAPrivateKey(BIO *bp, RSA **rsa, pem_password_cb *cb,
172                                void *u)
173{
174    EVP_PKEY *pktmp;
175    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
176    return pkey_get_rsa(pktmp, rsa);
177}
178
179# ifndef OPENSSL_NO_FP_API
180
181RSA *PEM_read_RSAPrivateKey(FILE *fp, RSA **rsa, pem_password_cb *cb, void *u)
182{
183    EVP_PKEY *pktmp;
184    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
185    return pkey_get_rsa(pktmp, rsa);
186}
187
188# endif
189
190# ifdef OPENSSL_FIPS
191
192int PEM_write_bio_RSAPrivateKey(BIO *bp, RSA *x, const EVP_CIPHER *enc,
193                                unsigned char *kstr, int klen,
194                                pem_password_cb *cb, void *u)
195{
196    if (FIPS_mode()) {
197        EVP_PKEY *k;
198        int ret;
199        k = EVP_PKEY_new();
200        if (!k)
201            return 0;
202        EVP_PKEY_set1_RSA(k, x);
203
204        ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
205        EVP_PKEY_free(k);
206        return ret;
207    } else
208        return PEM_ASN1_write_bio((i2d_of_void *)i2d_RSAPrivateKey,
209                                  PEM_STRING_RSA, bp, x, enc, kstr, klen, cb,
210                                  u);
211}
212
213#  ifndef OPENSSL_NO_FP_API
214int PEM_write_RSAPrivateKey(FILE *fp, RSA *x, const EVP_CIPHER *enc,
215                            unsigned char *kstr, int klen,
216                            pem_password_cb *cb, void *u)
217{
218    if (FIPS_mode()) {
219        EVP_PKEY *k;
220        int ret;
221        k = EVP_PKEY_new();
222        if (!k)
223            return 0;
224
225        EVP_PKEY_set1_RSA(k, x);
226
227        ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
228        EVP_PKEY_free(k);
229        return ret;
230    } else
231        return PEM_ASN1_write((i2d_of_void *)i2d_RSAPrivateKey,
232                              PEM_STRING_RSA, fp, x, enc, kstr, klen, cb, u);
233}
234#  endif
235
236# else
237
238IMPLEMENT_PEM_write_cb_const(RSAPrivateKey, RSA, PEM_STRING_RSA,
239                             RSAPrivateKey)
240# endif
241IMPLEMENT_PEM_rw_const(RSAPublicKey, RSA, PEM_STRING_RSA_PUBLIC,
242                       RSAPublicKey) IMPLEMENT_PEM_rw(RSA_PUBKEY, RSA,
243                                                      PEM_STRING_PUBLIC,
244                                                      RSA_PUBKEY)
245#endif
246#ifndef OPENSSL_NO_DSA
247static DSA *pkey_get_dsa(EVP_PKEY *key, DSA **dsa)
248{
249    DSA *dtmp;
250    if (!key)
251        return NULL;
252    dtmp = EVP_PKEY_get1_DSA(key);
253    EVP_PKEY_free(key);
254    if (!dtmp)
255        return NULL;
256    if (dsa) {
257        DSA_free(*dsa);
258        *dsa = dtmp;
259    }
260    return dtmp;
261}
262
263DSA *PEM_read_bio_DSAPrivateKey(BIO *bp, DSA **dsa, pem_password_cb *cb,
264                                void *u)
265{
266    EVP_PKEY *pktmp;
267    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
268    return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
269}
270
271# ifdef OPENSSL_FIPS
272
273int PEM_write_bio_DSAPrivateKey(BIO *bp, DSA *x, const EVP_CIPHER *enc,
274                                unsigned char *kstr, int klen,
275                                pem_password_cb *cb, void *u)
276{
277    if (FIPS_mode()) {
278        EVP_PKEY *k;
279        int ret;
280        k = EVP_PKEY_new();
281        if (!k)
282            return 0;
283        EVP_PKEY_set1_DSA(k, x);
284
285        ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
286        EVP_PKEY_free(k);
287        return ret;
288    } else
289        return PEM_ASN1_write_bio((i2d_of_void *)i2d_DSAPrivateKey,
290                                  PEM_STRING_DSA, bp, x, enc, kstr, klen, cb,
291                                  u);
292}
293
294#  ifndef OPENSSL_NO_FP_API
295int PEM_write_DSAPrivateKey(FILE *fp, DSA *x, const EVP_CIPHER *enc,
296                            unsigned char *kstr, int klen,
297                            pem_password_cb *cb, void *u)
298{
299    if (FIPS_mode()) {
300        EVP_PKEY *k;
301        int ret;
302        k = EVP_PKEY_new();
303        if (!k)
304            return 0;
305        EVP_PKEY_set1_DSA(k, x);
306        ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
307        EVP_PKEY_free(k);
308        return ret;
309    } else
310        return PEM_ASN1_write((i2d_of_void *)i2d_DSAPrivateKey,
311                              PEM_STRING_DSA, fp, x, enc, kstr, klen, cb, u);
312}
313#  endif
314
315# else
316
317IMPLEMENT_PEM_write_cb_const(DSAPrivateKey, DSA, PEM_STRING_DSA,
318                             DSAPrivateKey)
319# endif
320    IMPLEMENT_PEM_rw(DSA_PUBKEY, DSA, PEM_STRING_PUBLIC, DSA_PUBKEY)
321# ifndef OPENSSL_NO_FP_API
322DSA *PEM_read_DSAPrivateKey(FILE *fp, DSA **dsa, pem_password_cb *cb, void *u)
323{
324    EVP_PKEY *pktmp;
325    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
326    return pkey_get_dsa(pktmp, dsa); /* will free pktmp */
327}
328
329# endif
330
331IMPLEMENT_PEM_rw_const(DSAparams, DSA, PEM_STRING_DSAPARAMS, DSAparams)
332#endif
333#ifndef OPENSSL_NO_EC
334static EC_KEY *pkey_get_eckey(EVP_PKEY *key, EC_KEY **eckey)
335{
336    EC_KEY *dtmp;
337    if (!key)
338        return NULL;
339    dtmp = EVP_PKEY_get1_EC_KEY(key);
340    EVP_PKEY_free(key);
341    if (!dtmp)
342        return NULL;
343    if (eckey) {
344        EC_KEY_free(*eckey);
345        *eckey = dtmp;
346    }
347    return dtmp;
348}
349
350EC_KEY *PEM_read_bio_ECPrivateKey(BIO *bp, EC_KEY **key, pem_password_cb *cb,
351                                  void *u)
352{
353    EVP_PKEY *pktmp;
354    pktmp = PEM_read_bio_PrivateKey(bp, NULL, cb, u);
355    return pkey_get_eckey(pktmp, key); /* will free pktmp */
356}
357
358IMPLEMENT_PEM_rw_const(ECPKParameters, EC_GROUP, PEM_STRING_ECPARAMETERS,
359                       ECPKParameters)
360# ifdef OPENSSL_FIPS
361int PEM_write_bio_ECPrivateKey(BIO *bp, EC_KEY *x, const EVP_CIPHER *enc,
362                               unsigned char *kstr, int klen,
363                               pem_password_cb *cb, void *u)
364{
365    if (FIPS_mode()) {
366        EVP_PKEY *k;
367        int ret;
368        k = EVP_PKEY_new();
369        if (!k)
370            return 0;
371        EVP_PKEY_set1_EC_KEY(k, x);
372
373        ret = PEM_write_bio_PrivateKey(bp, k, enc, kstr, klen, cb, u);
374        EVP_PKEY_free(k);
375        return ret;
376    } else
377        return PEM_ASN1_write_bio((i2d_of_void *)i2d_ECPrivateKey,
378                                  PEM_STRING_ECPRIVATEKEY,
379                                  bp, x, enc, kstr, klen, cb, u);
380}
381
382#  ifndef OPENSSL_NO_FP_API
383int PEM_write_ECPrivateKey(FILE *fp, EC_KEY *x, const EVP_CIPHER *enc,
384                           unsigned char *kstr, int klen,
385                           pem_password_cb *cb, void *u)
386{
387    if (FIPS_mode()) {
388        EVP_PKEY *k;
389        int ret;
390        k = EVP_PKEY_new();
391        if (!k)
392            return 0;
393        EVP_PKEY_set1_EC_KEY(k, x);
394        ret = PEM_write_PrivateKey(fp, k, enc, kstr, klen, cb, u);
395        EVP_PKEY_free(k);
396        return ret;
397    } else
398        return PEM_ASN1_write((i2d_of_void *)i2d_ECPrivateKey,
399                              PEM_STRING_ECPRIVATEKEY,
400                              fp, x, enc, kstr, klen, cb, u);
401}
402#  endif
403
404# else
405    IMPLEMENT_PEM_write_cb(ECPrivateKey, EC_KEY, PEM_STRING_ECPRIVATEKEY,
406                       ECPrivateKey)
407# endif
408IMPLEMENT_PEM_rw(EC_PUBKEY, EC_KEY, PEM_STRING_PUBLIC, EC_PUBKEY)
409# ifndef OPENSSL_NO_FP_API
410EC_KEY *PEM_read_ECPrivateKey(FILE *fp, EC_KEY **eckey, pem_password_cb *cb,
411                              void *u)
412{
413    EVP_PKEY *pktmp;
414    pktmp = PEM_read_PrivateKey(fp, NULL, cb, u);
415    return pkey_get_eckey(pktmp, eckey); /* will free pktmp */
416}
417
418# endif
419
420#endif
421
422#ifndef OPENSSL_NO_DH
423
424IMPLEMENT_PEM_rw_const(DHparams, DH, PEM_STRING_DHPARAMS, DHparams)
425#endif
426    IMPLEMENT_PEM_rw(PUBKEY, EVP_PKEY, PEM_STRING_PUBLIC, PUBKEY)
427