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-rw-r--r--src/lib/libcrypto/pem/pem_pkey.c263
1 files changed, 0 insertions, 263 deletions
diff --git a/src/lib/libcrypto/pem/pem_pkey.c b/src/lib/libcrypto/pem/pem_pkey.c
deleted file mode 100644
index d7001c83cc..0000000000
--- a/src/lib/libcrypto/pem/pem_pkey.c
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1/* $OpenBSD: pem_pkey.c,v 1.28 2023/11/19 15:46:10 tb 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/opensslconf.h>
63
64#include <openssl/buffer.h>
65#include <openssl/err.h>
66#include <openssl/evp.h>
67#include <openssl/objects.h>
68#include <openssl/pem.h>
69#include <openssl/pkcs12.h>
70#include <openssl/x509.h>
71
72#include "asn1_local.h"
73#include "evp_local.h"
74
75int pem_check_suffix(const char *pem_str, const char *suffix);
76
77EVP_PKEY *
78PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
79{
80 char *nm = NULL;
81 const unsigned char *p = NULL;
82 unsigned char *data = NULL;
83 long len;
84 int slen;
85 EVP_PKEY *ret = NULL;
86
87 if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY,
88 bp, cb, u))
89 return NULL;
90 p = data;
91
92 if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) {
93 PKCS8_PRIV_KEY_INFO *p8inf;
94 p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len);
95 if (!p8inf)
96 goto p8err;
97 ret = EVP_PKCS82PKEY(p8inf);
98 if (x) {
99 EVP_PKEY_free(*x);
100 *x = ret;
101 }
102 PKCS8_PRIV_KEY_INFO_free(p8inf);
103 } else if (strcmp(nm, PEM_STRING_PKCS8) == 0) {
104 PKCS8_PRIV_KEY_INFO *p8inf;
105 X509_SIG *p8;
106 int klen;
107 char psbuf[PEM_BUFSIZE];
108 p8 = d2i_X509_SIG(NULL, &p, len);
109 if (!p8)
110 goto p8err;
111 if (cb)
112 klen = cb(psbuf, PEM_BUFSIZE, 0, u);
113 else
114 klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
115 if (klen <= 0) {
116 PEMerror(PEM_R_BAD_PASSWORD_READ);
117 X509_SIG_free(p8);
118 goto err;
119 }
120 p8inf = PKCS8_decrypt(p8, psbuf, klen);
121 X509_SIG_free(p8);
122 if (!p8inf)
123 goto p8err;
124 ret = EVP_PKCS82PKEY(p8inf);
125 if (x) {
126 EVP_PKEY_free(*x);
127 *x = ret;
128 }
129 PKCS8_PRIV_KEY_INFO_free(p8inf);
130 } else if ((slen = pem_check_suffix(nm, "PRIVATE KEY")) > 0) {
131 const EVP_PKEY_ASN1_METHOD *ameth;
132 ameth = EVP_PKEY_asn1_find_str(NULL, nm, slen);
133 if (!ameth || !ameth->old_priv_decode)
134 goto p8err;
135 ret = d2i_PrivateKey(ameth->pkey_id, x, &p, len);
136 }
137
138p8err:
139 if (ret == NULL)
140 PEMerror(ERR_R_ASN1_LIB);
141err:
142 free(nm);
143 freezero(data, len);
144 return (ret);
145}
146LCRYPTO_ALIAS(PEM_read_bio_PrivateKey);
147
148int
149PEM_write_bio_PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
150 unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
151{
152 if (x->ameth == NULL || x->ameth->priv_encode != NULL)
153 return PEM_write_bio_PKCS8PrivateKey(bp, x, enc,
154 (char *)kstr, klen, cb, u);
155
156 return PEM_write_bio_PrivateKey_traditional(bp, x, enc, kstr, klen, cb,
157 u);
158}
159LCRYPTO_ALIAS(PEM_write_bio_PrivateKey);
160
161int
162PEM_write_bio_PrivateKey_traditional(BIO *bp, EVP_PKEY *x,
163 const EVP_CIPHER *enc, unsigned char *kstr, int klen, pem_password_cb *cb,
164 void *u)
165{
166 char pem_str[80];
167
168 (void) snprintf(pem_str, sizeof(pem_str), "%s PRIVATE KEY",
169 x->ameth->pem_str);
170 return PEM_ASN1_write_bio((i2d_of_void *)i2d_PrivateKey,
171 pem_str, bp, x, enc, kstr, klen, cb, u);
172}
173LCRYPTO_ALIAS(PEM_write_bio_PrivateKey_traditional);
174
175EVP_PKEY *
176PEM_read_bio_Parameters(BIO *bp, EVP_PKEY **x)
177{
178 char *nm = NULL;
179 const unsigned char *p = NULL;
180 unsigned char *data = NULL;
181 long len;
182 int slen;
183 EVP_PKEY *ret = NULL;
184
185 if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_PARAMETERS,
186 bp, 0, NULL))
187 return NULL;
188 p = data;
189
190 if ((slen = pem_check_suffix(nm, "PARAMETERS")) > 0) {
191 ret = EVP_PKEY_new();
192 if (!ret)
193 goto err;
194 if (!EVP_PKEY_set_type_str(ret, nm, slen) ||
195 !ret->ameth->param_decode ||
196 !ret->ameth->param_decode(ret, &p, len)) {
197 EVP_PKEY_free(ret);
198 ret = NULL;
199 goto err;
200 }
201 if (x) {
202 EVP_PKEY_free(*x);
203 *x = ret;
204 }
205 }
206
207err:
208 if (ret == NULL)
209 PEMerror(ERR_R_ASN1_LIB);
210 free(nm);
211 free(data);
212 return (ret);
213}
214LCRYPTO_ALIAS(PEM_read_bio_Parameters);
215
216int
217PEM_write_bio_Parameters(BIO *bp, EVP_PKEY *x)
218{
219 char pem_str[80];
220
221 if (!x->ameth || !x->ameth->param_encode)
222 return 0;
223
224 (void) snprintf(pem_str, sizeof(pem_str), "%s PARAMETERS",
225 x->ameth->pem_str);
226 return PEM_ASN1_write_bio((i2d_of_void *)x->ameth->param_encode,
227 pem_str, bp, x, NULL, NULL, 0, 0, NULL);
228}
229LCRYPTO_ALIAS(PEM_write_bio_Parameters);
230
231EVP_PKEY *
232PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
233{
234 BIO *b;
235 EVP_PKEY *ret;
236
237 if ((b = BIO_new(BIO_s_file())) == NULL) {
238 PEMerror(ERR_R_BUF_LIB);
239 return (0);
240 }
241 BIO_set_fp(b, fp, BIO_NOCLOSE);
242 ret = PEM_read_bio_PrivateKey(b, x, cb, u);
243 BIO_free(b);
244 return (ret);
245}
246LCRYPTO_ALIAS(PEM_read_PrivateKey);
247
248int
249PEM_write_PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
250 unsigned char *kstr, int klen, pem_password_cb *cb, void *u)
251{
252 BIO *b;
253 int ret;
254
255 if ((b = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
256 PEMerror(ERR_R_BUF_LIB);
257 return 0;
258 }
259 ret = PEM_write_bio_PrivateKey(b, x, enc, kstr, klen, cb, u);
260 BIO_free(b);
261 return ret;
262}
263LCRYPTO_ALIAS(PEM_write_PrivateKey);
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