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pem_pk8.c

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1/* $OpenBSD: pem_pk8.c,v 1.13 2017/01/29 17:49:23 beck Exp $ */-
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 <string.h>-
61-
62#include <openssl/buffer.h>-
63#include <openssl/err.h>-
64#include <openssl/evp.h>-
65#include <openssl/objects.h>-
66#include <openssl/pem.h>-
67#include <openssl/pkcs12.h>-
68#include <openssl/x509.h>-
69-
70static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid,-
71 const EVP_CIPHER *enc, char *kstr, int klen, pem_password_cb *cb, void *u);-
72static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder, int nid,-
73 const EVP_CIPHER *enc, char *kstr, int klen, pem_password_cb *cb, void *u);-
74-
75/* These functions write a private key in PKCS#8 format: it is a "drop in"-
76 * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'-
77 * is NULL then it uses the unencrypted private key form. The 'nid' versions-
78 * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.-
79 */-
80-
81int-
82PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid, char *kstr,-
83 int klen, pem_password_cb *cb, void *u)-
84{-
85 return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
never executed: return do_pk8pkey(bp, x, 0, nid, ((void *)0) , kstr, klen, cb, u);
0
86}-
87-
88int-
89PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,-
90 char *kstr, int klen, pem_password_cb *cb, void *u)-
91{-
92 return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
executed 1 time by 1 test: return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
Executed by:
  • libcrypto.so.44.0.1
1
93}-
94-
95int-
96i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,-
97 char *kstr, int klen, pem_password_cb *cb, void *u)-
98{-
99 return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
never executed: return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
0
100}-
101-
102int-
103i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,-
104 char *kstr, int klen, pem_password_cb *cb, void *u)-
105{-
106 return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
never executed: return do_pk8pkey(bp, x, 1, nid, ((void *)0) , kstr, klen, cb, u);
0
107}-
108-
109static int-
110do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,-
111 char *kstr, int klen, pem_password_cb *cb, void *u)-
112{-
113 X509_SIG *p8;-
114 PKCS8_PRIV_KEY_INFO *p8inf;-
115 char buf[PEM_BUFSIZE];-
116 int ret;-
117-
118 if (!(p8inf = EVP_PKEY2PKCS8(x))) {
!(p8inf = EVP_PKEY2PKCS8(x))Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
119 PEMerror(PEM_R_ERROR_CONVERTING_PRIVATE_KEY);-
120 return 0;
never executed: return 0;
0
121 }-
122 if (enc || (nid != -1)) {
encDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
(nid != -1)Description
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
123 if (!kstr) {
!kstrDescription
TRUEnever evaluated
FALSEnever evaluated
0
124 if (!cb)
!cbDescription
TRUEnever evaluated
FALSEnever evaluated
0
125 klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
never executed: klen = PEM_def_callback(buf, 1024, 1, u);
0
126 else-
127 klen = cb(buf, PEM_BUFSIZE, 1, u);
never executed: klen = cb(buf, 1024, 1, u);
0
128 if (klen <= 0) {
klen <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
129 PEMerror(PEM_R_READ_KEY);-
130 PKCS8_PRIV_KEY_INFO_free(p8inf);-
131 return 0;
never executed: return 0;
0
132 }-
133-
134 kstr = buf;-
135 }
never executed: end of block
0
136 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);-
137 if (kstr == buf)
kstr == bufDescription
TRUEnever evaluated
FALSEnever evaluated
0
138 explicit_bzero(buf, klen);
never executed: explicit_bzero(buf, klen);
0
139 PKCS8_PRIV_KEY_INFO_free(p8inf);-
140 if (isder)
isderDescription
TRUEnever evaluated
FALSEnever evaluated
0
141 ret = i2d_PKCS8_bio(bp, p8);
never executed: ret = i2d_PKCS8_bio(bp, p8);
0
142 else-
143 ret = PEM_write_bio_PKCS8(bp, p8);
never executed: ret = PEM_write_bio_PKCS8(bp, p8);
0
144 X509_SIG_free(p8);-
145 return ret;
never executed: return ret;
0
146 } else {-
147 if (isder)
isderDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • libcrypto.so.44.0.1
0-1
148 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
never executed: ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
0
149 else-
150 ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
executed 1 time by 1 test: ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
Executed by:
  • libcrypto.so.44.0.1
1
151 PKCS8_PRIV_KEY_INFO_free(p8inf);-
152 return ret;
executed 1 time by 1 test: return ret;
Executed by:
  • libcrypto.so.44.0.1
1
153 }-
154}-
155-
156EVP_PKEY *-
157d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)-
158{-
159 PKCS8_PRIV_KEY_INFO *p8inf = NULL;-
160 X509_SIG *p8 = NULL;-
161 int klen;-
162 EVP_PKEY *ret;-
163 char psbuf[PEM_BUFSIZE];-
164-
165 p8 = d2i_PKCS8_bio(bp, NULL);-
166 if (!p8)
!p8Description
TRUEnever evaluated
FALSEnever evaluated
0
167 return NULL;
never executed: return ((void *)0) ;
0
168 if (cb)
cbDescription
TRUEnever evaluated
FALSEnever evaluated
0
169 klen = cb(psbuf, PEM_BUFSIZE, 0, u);
never executed: klen = cb(psbuf, 1024, 0, u);
0
170 else-
171 klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
never executed: klen = PEM_def_callback(psbuf, 1024, 0, u);
0
172 if (klen <= 0) {
klen <= 0Description
TRUEnever evaluated
FALSEnever evaluated
0
173 PEMerror(PEM_R_BAD_PASSWORD_READ);-
174 X509_SIG_free(p8);-
175 return NULL;
never executed: return ((void *)0) ;
0
176 }-
177 p8inf = PKCS8_decrypt(p8, psbuf, klen);-
178 X509_SIG_free(p8);-
179 if (!p8inf)
!p8infDescription
TRUEnever evaluated
FALSEnever evaluated
0
180 return NULL;
never executed: return ((void *)0) ;
0
181 ret = EVP_PKCS82PKEY(p8inf);-
182 PKCS8_PRIV_KEY_INFO_free(p8inf);-
183 if (!ret)
!retDescription
TRUEnever evaluated
FALSEnever evaluated
0
184 return NULL;
never executed: return ((void *)0) ;
0
185 if (x) {
xDescription
TRUEnever evaluated
FALSEnever evaluated
0
186 EVP_PKEY_free(*x);-
187 *x = ret;-
188 }
never executed: end of block
0
189 return ret;
never executed: return ret;
0
190}-
191-
192-
193int-
194i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,-
195 char *kstr, int klen, pem_password_cb *cb, void *u)-
196{-
197 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
never executed: return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
0
198}-
199-
200int-
201i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid, char *kstr,-
202 int klen, pem_password_cb *cb, void *u)-
203{-
204 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
never executed: return do_pk8pkey_fp(fp, x, 1, nid, ((void *)0) , kstr, klen, cb, u);
0
205}-
206-
207int-
208PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid, char *kstr,-
209 int klen, pem_password_cb *cb, void *u)-
210{-
211 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
never executed: return do_pk8pkey_fp(fp, x, 0, nid, ((void *)0) , kstr, klen, cb, u);
0
212}-
213-
214int-
215PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,-
216 char *kstr, int klen, pem_password_cb *cb, void *u)-
217{-
218 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
never executed: return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
0
219}-
220-
221static int-
222do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,-
223 char *kstr, int klen, pem_password_cb *cb, void *u)-
224{-
225 BIO *bp;-
226 int ret;-
227-
228 if (!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
!(bp = BIO_new_fp(fp, 0x00))Description
TRUEnever evaluated
FALSEnever evaluated
0
229 PEMerror(ERR_R_BUF_LIB);-
230 return (0);
never executed: return (0);
0
231 }-
232 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);-
233 BIO_free(bp);-
234 return ret;
never executed: return ret;
0
235}-
236-
237EVP_PKEY *-
238d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)-
239{-
240 BIO *bp;-
241 EVP_PKEY *ret;-
242-
243 if (!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
!(bp = BIO_new_fp(fp, 0x00))Description
TRUEnever evaluated
FALSEnever evaluated
0
244 PEMerror(ERR_R_BUF_LIB);-
245 return NULL;
never executed: return ((void *)0) ;
0
246 }-
247 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);-
248 BIO_free(bp);-
249 return ret;
never executed: return ret;
0
250}-
251-
252X509_SIG *-
253PEM_read_PKCS8(FILE *fp, X509_SIG **x, pem_password_cb *cb, void *u)-
254{-
255 return PEM_ASN1_read((d2i_of_void *)d2i_X509_SIG, PEM_STRING_PKCS8, fp,
never executed: return PEM_ASN1_read((d2i_of_void *)d2i_X509_SIG, "ENCRYPTED PRIVATE KEY", fp, (void **)x, cb, u);
0
256 (void **)x, cb, u);
never executed: return PEM_ASN1_read((d2i_of_void *)d2i_X509_SIG, "ENCRYPTED PRIVATE KEY", fp, (void **)x, cb, u);
0
257}-
258-
259int-
260PEM_write_PKCS8(FILE *fp, X509_SIG *x)-
261{-
262 return PEM_ASN1_write((i2d_of_void *)i2d_X509_SIG, PEM_STRING_PKCS8, fp,
never executed: return PEM_ASN1_write((i2d_of_void *)i2d_X509_SIG, "ENCRYPTED PRIVATE KEY", fp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
0
263 x, NULL, NULL, 0, NULL, NULL);
never executed: return PEM_ASN1_write((i2d_of_void *)i2d_X509_SIG, "ENCRYPTED PRIVATE KEY", fp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
0
264}-
265-
266X509_SIG *-
267PEM_read_bio_PKCS8(BIO *bp, X509_SIG **x, pem_password_cb *cb, void *u)-
268{-
269 return PEM_ASN1_read_bio((d2i_of_void *)d2i_X509_SIG, PEM_STRING_PKCS8, bp,
never executed: return PEM_ASN1_read_bio((d2i_of_void *)d2i_X509_SIG, "ENCRYPTED PRIVATE KEY", bp, (void **)x, cb, u);
0
270 (void **)x, cb, u);
never executed: return PEM_ASN1_read_bio((d2i_of_void *)d2i_X509_SIG, "ENCRYPTED PRIVATE KEY", bp, (void **)x, cb, u);
0
271}-
272-
273int-
274PEM_write_bio_PKCS8(BIO *bp, X509_SIG *x)-
275{-
276 return PEM_ASN1_write_bio((i2d_of_void *)i2d_X509_SIG, PEM_STRING_PKCS8, bp,
never executed: return PEM_ASN1_write_bio((i2d_of_void *)i2d_X509_SIG, "ENCRYPTED PRIVATE KEY", bp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
0
277 x, NULL, NULL, 0, NULL, NULL);
never executed: return PEM_ASN1_write_bio((i2d_of_void *)i2d_X509_SIG, "ENCRYPTED PRIVATE KEY", bp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
0
278}-
279-
280PKCS8_PRIV_KEY_INFO *-
281PEM_read_PKCS8_PRIV_KEY_INFO(FILE *fp, PKCS8_PRIV_KEY_INFO **x, pem_password_cb *cb, void *u)-
282{-
283 return PEM_ASN1_read((d2i_of_void *)d2i_PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, fp,
never executed: return PEM_ASN1_read((d2i_of_void *)d2i_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", fp, (void **)x, cb, u);
0
284 (void **)x, cb, u);
never executed: return PEM_ASN1_read((d2i_of_void *)d2i_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", fp, (void **)x, cb, u);
0
285}-
286-
287int-
288PEM_write_PKCS8_PRIV_KEY_INFO(FILE *fp, PKCS8_PRIV_KEY_INFO *x)-
289{-
290 return PEM_ASN1_write((i2d_of_void *)i2d_PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, fp,
never executed: return PEM_ASN1_write((i2d_of_void *)i2d_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", fp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
0
291 x, NULL, NULL, 0, NULL, NULL);
never executed: return PEM_ASN1_write((i2d_of_void *)i2d_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", fp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
0
292}-
293-
294PKCS8_PRIV_KEY_INFO *-
295PEM_read_bio_PKCS8_PRIV_KEY_INFO(BIO *bp, PKCS8_PRIV_KEY_INFO **x, pem_password_cb *cb, void *u)-
296{-
297 return PEM_ASN1_read_bio((d2i_of_void *)d2i_PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, bp,
never executed: return PEM_ASN1_read_bio((d2i_of_void *)d2i_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", bp, (void **)x, cb, u);
0
298 (void **)x, cb, u);
never executed: return PEM_ASN1_read_bio((d2i_of_void *)d2i_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", bp, (void **)x, cb, u);
0
299}-
300-
301int-
302PEM_write_bio_PKCS8_PRIV_KEY_INFO(BIO *bp, PKCS8_PRIV_KEY_INFO *x)-
303{-
304 return PEM_ASN1_write_bio((i2d_of_void *)i2d_PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF, bp,
executed 1 time by 1 test: return PEM_ASN1_write_bio((i2d_of_void *)i2d_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", bp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
Executed by:
  • libcrypto.so.44.0.1
1
305 x, NULL, NULL, 0, NULL, NULL);
executed 1 time by 1 test: return PEM_ASN1_write_bio((i2d_of_void *)i2d_PKCS8_PRIV_KEY_INFO, "PRIVATE KEY", bp, x, ((void *)0) , ((void *)0) , 0, ((void *)0) , ((void *)0) );
Executed by:
  • libcrypto.so.44.0.1
1
306}-
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