1 /* crypto/pem/pem_pkey.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
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>
69 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
70 int nid, const EVP_CIPHER *enc,
71 char *kstr, int klen, pem_password_cb *cb, void *u);
72 static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
73 int nid, const EVP_CIPHER *enc,
74 char *kstr, int klen, pem_password_cb *cb, void *u);
77 * These functions write a private key in PKCS#8 format: it is a "drop in"
78 * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
79 * is NULL then it uses the unencrypted private key form. The 'nid' versions
80 * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
83 int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
85 pem_password_cb *cb, void *u)
87 return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
90 int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
92 pem_password_cb *cb, void *u)
94 return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
97 int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
99 pem_password_cb *cb, void *u)
101 return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
104 int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
105 char *kstr, int klen,
106 pem_password_cb *cb, void *u)
108 return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
111 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid,
112 const EVP_CIPHER *enc, char *kstr, int klen,
113 pem_password_cb *cb, void *u)
116 PKCS8_PRIV_KEY_INFO *p8inf;
117 char buf[PEM_BUFSIZE];
119 if (!(p8inf = EVP_PKEY2PKCS8(x))) {
120 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
123 if (enc || (nid != -1)) {
126 klen = PEM_def_callback(buf, PEM_BUFSIZE, 1, u);
128 klen = cb(buf, PEM_BUFSIZE, 1, u);
130 PEMerr(PEM_F_DO_PK8PKEY, PEM_R_READ_KEY);
131 PKCS8_PRIV_KEY_INFO_free(p8inf);
137 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
139 OPENSSL_cleanse(buf, klen);
140 PKCS8_PRIV_KEY_INFO_free(p8inf);
142 ret = i2d_PKCS8_bio(bp, p8);
144 ret = PEM_write_bio_PKCS8(bp, p8);
149 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
151 ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
152 PKCS8_PRIV_KEY_INFO_free(p8inf);
157 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb,
160 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
164 char psbuf[PEM_BUFSIZE];
165 p8 = d2i_PKCS8_bio(bp, NULL);
169 klen = cb(psbuf, PEM_BUFSIZE, 0, u);
171 klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u);
173 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_BIO, PEM_R_BAD_PASSWORD_READ);
177 p8inf = PKCS8_decrypt(p8, psbuf, klen);
181 ret = EVP_PKCS82PKEY(p8inf);
182 PKCS8_PRIV_KEY_INFO_free(p8inf);
192 #ifndef OPENSSL_NO_STDIO
194 int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
195 char *kstr, int klen, pem_password_cb *cb, void *u)
197 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
200 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
201 char *kstr, int klen,
202 pem_password_cb *cb, void *u)
204 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
207 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
208 char *kstr, int klen,
209 pem_password_cb *cb, void *u)
211 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
214 int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
215 char *kstr, int klen, pem_password_cb *cb,
218 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
221 static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid,
222 const EVP_CIPHER *enc, char *kstr, int klen,
223 pem_password_cb *cb, void *u)
227 if (!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
228 PEMerr(PEM_F_DO_PK8PKEY_FP, ERR_R_BUF_LIB);
231 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
236 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb,
241 if (!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
242 PEMerr(PEM_F_D2I_PKCS8PRIVATEKEY_FP, ERR_R_BUF_LIB);
245 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
252 IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
255 IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,