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.] */
57 #include <openssl/pem.h>
59 #include <openssl/buf.h>
60 #include <openssl/err.h>
61 #include <openssl/evp.h>
62 #include <openssl/obj.h>
63 #include <openssl/pkcs8.h>
64 #include <openssl/rand.h>
65 #include <openssl/x509.h>
68 static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
69 int nid, const EVP_CIPHER *enc,
71 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,
75 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, const EVP_CIPHER *enc,
112 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 OPENSSL_PUT_ERROR(PEM, do_pk8pkey, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
123 if(enc || (nid != -1)) {
127 klen = cb(buf, PEM_BUFSIZE, 1, u);
129 OPENSSL_PUT_ERROR(PEM, do_pk8pkey, PEM_R_READ_KEY);
130 PKCS8_PRIV_KEY_INFO_free(p8inf);
136 p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
137 if(kstr == buf) OPENSSL_cleanse(buf, klen);
138 PKCS8_PRIV_KEY_INFO_free(p8inf);
139 if(isder) ret = i2d_PKCS8_bio(bp, p8);
140 else ret = PEM_write_bio_PKCS8(bp, p8);
144 if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
145 else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
146 PKCS8_PRIV_KEY_INFO_free(p8inf);
151 EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
153 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
157 char psbuf[PEM_BUFSIZE];
158 p8 = d2i_PKCS8_bio(bp, NULL);
163 klen=cb(psbuf,PEM_BUFSIZE,0,u);
165 OPENSSL_PUT_ERROR(PEM, d2i_PKCS8PrivateKey_bio, PEM_R_BAD_PASSWORD_READ);
169 p8inf = PKCS8_decrypt(p8, psbuf, klen);
171 if(!p8inf) return NULL;
172 ret = EVP_PKCS82PKEY(p8inf);
173 PKCS8_PRIV_KEY_INFO_free(p8inf);
174 if(!ret) return NULL;
176 if(*x) EVP_PKEY_free(*x);
182 #ifndef OPENSSL_NO_FP_API
184 int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
185 char *kstr, int klen,
186 pem_password_cb *cb, void *u)
188 return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
191 int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
192 char *kstr, int klen,
193 pem_password_cb *cb, void *u)
195 return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
198 int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
199 char *kstr, int klen,
200 pem_password_cb *cb, void *u)
202 return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
205 int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
206 char *kstr, int klen, pem_password_cb *cb, void *u)
208 return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
211 static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
212 char *kstr, int klen,
213 pem_password_cb *cb, void *u)
217 if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
218 OPENSSL_PUT_ERROR(PEM, do_pk8pkey_fp, ERR_R_BUF_LIB);
221 ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
226 EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
230 if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
231 OPENSSL_PUT_ERROR(PEM, d2i_PKCS8PrivateKey_fp, ERR_R_BUF_LIB);
234 ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
241 IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
242 IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,