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diff --git a/src/lib/libcrypto/pem/pem_pk8.c b/src/lib/libcrypto/pem/pem_pk8.c
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1/* crypto/pem/pem_pkey.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#include <stdio.h>
60#include "cryptlib.h"
61#include <openssl/buffer.h>
62#include <openssl/objects.h>
63#include <openssl/evp.h>
64#include <openssl/rand.h>
65#include <openssl/x509.h>
66#include <openssl/pkcs12.h>
67#include <openssl/pem.h>
68
69static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
70 int nid, const EVP_CIPHER *enc,
71 char *kstr, int klen,
72 pem_password_cb *cb, void *u);
73static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
74 int nid, const EVP_CIPHER *enc,
75 char *kstr, int klen,
76 pem_password_cb *cb, void *u);
77
78/* These functions write a private key in PKCS#8 format: it is a "drop in"
79 * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
80 * is NULL then it uses the unencrypted private key form. The 'nid' versions
81 * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
82 */
83
84int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
85 char *kstr, int klen,
86 pem_password_cb *cb, void *u)
87{
88 return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
89}
90
91int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
92 char *kstr, int klen,
93 pem_password_cb *cb, void *u)
94{
95 return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
96}
97
98int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
99 char *kstr, int klen,
100 pem_password_cb *cb, void *u)
101{
102 return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
103}
104
105int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
106 char *kstr, int klen,
107 pem_password_cb *cb, void *u)
108{
109 return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
110}
111
112static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
113 char *kstr, int klen,
114 pem_password_cb *cb, void *u)
115{
116 X509_SIG *p8;
117 PKCS8_PRIV_KEY_INFO *p8inf;
118 char buf[PEM_BUFSIZE];
119 int ret;
120 if(!(p8inf = EVP_PKEY2PKCS8(x))) {
121 PEMerr(PEM_F_DO_PK8PKEY,
122 PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
123 return 0;
124 }
125 if(enc || (nid != -1)) {
126 if(!kstr) {
127 if(!cb) klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
128 else klen = cb(buf, PEM_BUFSIZE, 1, u);
129 if(klen <= 0) {
130 PEMerr(PEM_F_DO_PK8PKEY,PEM_R_READ_KEY);
131 PKCS8_PRIV_KEY_INFO_free(p8inf);
132 return 0;
133 }
134
135 kstr = buf;
136 }
137 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
138 if(kstr == buf) OPENSSL_cleanse(buf, klen);
139 PKCS8_PRIV_KEY_INFO_free(p8inf);
140 if(isder) ret = i2d_PKCS8_bio(bp, p8);
141 else ret = PEM_write_bio_PKCS8(bp, p8);
142 X509_SIG_free(p8);
143 return ret;
144 } else {
145 if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
146 else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
147 PKCS8_PRIV_KEY_INFO_free(p8inf);
148 return ret;
149 }
150}
151
152EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
153{
154 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
155 X509_SIG *p8 = NULL;
156 int klen;
157 EVP_PKEY *ret;
158 char psbuf[PEM_BUFSIZE];
159 p8 = d2i_PKCS8_bio(bp, NULL);
160 if(!p8) return NULL;
161 if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u);
162 else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u);
163 if (klen <= 0) {
164 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
165 X509_SIG_free(p8);
166 return NULL;
167 }
168 p8inf = PKCS8_decrypt(p8, psbuf, klen);
169 X509_SIG_free(p8);
170 if(!p8inf) return NULL;
171 ret = EVP_PKCS82PKEY(p8inf);
172 PKCS8_PRIV_KEY_INFO_free(p8inf);
173 if(!ret) return NULL;
174 if(x) {
175 if(*x) EVP_PKEY_free(*x);
176 *x = ret;
177 }
178 return ret;
179}
180
181#ifndef OPENSSL_NO_FP_API
182
183int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
184 char *kstr, int klen,
185 pem_password_cb *cb, void *u)
186{
187 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
188}
189
190int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
191 char *kstr, int klen,
192 pem_password_cb *cb, void *u)
193{
194 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
195}
196
197int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
198 char *kstr, int klen,
199 pem_password_cb *cb, void *u)
200{
201 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
202}
203
204int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
205 char *kstr, int klen, pem_password_cb *cb, void *u)
206{
207 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
208}
209
210static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
211 char *kstr, int klen,
212 pem_password_cb *cb, void *u)
213{
214 BIO *bp;
215 int ret;
216 if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
217 PEMerr(PEM_F_DO_PK8PKEY_FP,ERR_R_BUF_LIB);
218 return(0);
219 }
220 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
221 BIO_free(bp);
222 return ret;
223}
224
225EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
226{
227 BIO *bp;
228 EVP_PKEY *ret;
229 if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
230 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP,ERR_R_BUF_LIB);
231 return NULL;
232 }
233 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
234 BIO_free(bp);
235 return ret;
236}
237
238#endif
239
240IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
241IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,
242 PKCS8_PRIV_KEY_INFO)
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