1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
59 #include "internal/cryptlib.h"
60 #include <openssl/buffer.h>
61 #include <openssl/objects.h>
62 #include <openssl/evp.h>
63 #include <openssl/rand.h>
64 #include <openssl/x509.h>
65 #include <openssl/pkcs12.h>
66 #include <openssl/pem.h>
68 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
69 int nid, const EVP_CIPHER *enc,
70 char *kstr, int klen, pem_password_cb *cb, void *u);
72 #ifndef OPENSSL_NO_STDIO
73 static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
74 int nid, const EVP_CIPHER *enc,
75 char *kstr, int klen, pem_password_cb *cb, void *u);
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.
84 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
86 pem_password_cb *cb, void *u)
88 return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
91 int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
93 pem_password_cb *cb, void *u)
95 return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
98 int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
100 pem_password_cb *cb, void *u)
102 return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
105 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
106 char *kstr, int klen,
107 pem_password_cb *cb, void *u)
109 return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
112 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid,
113 const EVP_CIPHER *enc, char *kstr, int klen,
114 pem_password_cb *cb, void *u)
117 PKCS8_PRIV_KEY_INFO *p8inf;
118 char buf[PEM_BUFSIZE];
121 if ((p8inf = EVP_PKEY2PKCS8(x)) == NULL) {
122 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
125 if (enc || (nid != -1)) {
128 klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
130 klen = cb(buf, PEM_BUFSIZE, 1, u);
132 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY);
133 PKCS8_PRIV_KEY_INFO_free(p8inf);
139 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
141 OPENSSL_cleanse(buf, klen);
142 PKCS8_PRIV_KEY_INFO_free(p8inf);
146 ret = i2d_PKCS8_bio(bp, p8);
148 ret = PEM_write_bio_PKCS8(bp, p8);
153 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
155 ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
156 PKCS8_PRIV_KEY_INFO_free(p8inf);
161 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
164 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
168 char psbuf[PEM_BUFSIZE];
169 p8 = d2i_PKCS8_bio(bp, NULL);
173 klen = cb(psbuf, PEM_BUFSIZE, 0, u);
175 klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
177 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
181 p8inf = PKCS8_decrypt(p8, psbuf, klen);
185 ret = EVP_PKCS82PKEY(p8inf);
186 PKCS8_PRIV_KEY_INFO_free(p8inf);
196 #ifndef OPENSSL_NO_STDIO
198 int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
199 char *kstr, int klen, pem_password_cb *cb, void *u)
201 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
204 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
205 char *kstr, int klen,
206 pem_password_cb *cb, void *u)
208 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
211 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
212 char *kstr, int klen,
213 pem_password_cb *cb, void *u)
215 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
218 int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
219 char *kstr, int klen, pem_password_cb *cb,
222 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
225 static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid,
226 const EVP_CIPHER *enc, char *kstr, int klen,
227 pem_password_cb *cb, void *u)
232 if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
233 PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB);
236 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
241 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
247 if ((bp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) {
248 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB);
251 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
258 IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
261 IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,