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1241126a DSH |
1 | /* crypto/pem/pem_pkey.c */ |
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. | |
40720ce3 | 8 | * |
1241126a DSH |
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). | |
40720ce3 | 15 | * |
1241126a DSH |
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. | |
40720ce3 | 22 | * |
1241126a DSH |
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 :-). | |
40720ce3 | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
1241126a DSH |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40720ce3 | 40 | * |
1241126a DSH |
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. | |
40720ce3 | 52 | * |
1241126a DSH |
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 "cryptlib.h" | |
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> | |
68 | ||
40720ce3 MC |
69 | EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, |
70 | void *u) | |
71 | { | |
72 | char *nm = NULL; | |
73 | const unsigned char *p = NULL; | |
74 | unsigned char *data = NULL; | |
75 | long len; | |
76 | EVP_PKEY *ret = NULL; | |
1241126a | 77 | |
40720ce3 MC |
78 | if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u)) |
79 | return NULL; | |
80 | p = data; | |
1241126a | 81 | |
40720ce3 MC |
82 | if (strcmp(nm, PEM_STRING_RSA) == 0) |
83 | ret = d2i_PrivateKey(EVP_PKEY_RSA, x, &p, len); | |
84 | else if (strcmp(nm, PEM_STRING_DSA) == 0) | |
85 | ret = d2i_PrivateKey(EVP_PKEY_DSA, x, &p, len); | |
86 | else if (strcmp(nm, PEM_STRING_ECPRIVATEKEY) == 0) | |
87 | ret = d2i_PrivateKey(EVP_PKEY_EC, x, &p, len); | |
88 | else if (strcmp(nm, PEM_STRING_PKCS8INF) == 0) { | |
89 | PKCS8_PRIV_KEY_INFO *p8inf; | |
90 | p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len); | |
91 | if (!p8inf) | |
92 | goto p8err; | |
93 | ret = EVP_PKCS82PKEY(p8inf); | |
94 | if (x) { | |
95 | if (*x) | |
96 | EVP_PKEY_free((EVP_PKEY *)*x); | |
97 | *x = ret; | |
98 | } | |
99 | PKCS8_PRIV_KEY_INFO_free(p8inf); | |
100 | } else if (strcmp(nm, PEM_STRING_PKCS8) == 0) { | |
101 | PKCS8_PRIV_KEY_INFO *p8inf; | |
102 | X509_SIG *p8; | |
103 | int klen; | |
104 | char psbuf[PEM_BUFSIZE]; | |
105 | p8 = d2i_X509_SIG(NULL, &p, len); | |
106 | if (!p8) | |
107 | goto p8err; | |
108 | if (cb) | |
109 | klen = cb(psbuf, PEM_BUFSIZE, 0, u); | |
110 | else | |
111 | klen = PEM_def_callback(psbuf, PEM_BUFSIZE, 0, u); | |
112 | if (klen <= 0) { | |
113 | PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, PEM_R_BAD_PASSWORD_READ); | |
114 | X509_SIG_free(p8); | |
115 | goto err; | |
116 | } | |
117 | p8inf = PKCS8_decrypt(p8, psbuf, klen); | |
118 | X509_SIG_free(p8); | |
119 | if (!p8inf) | |
120 | goto p8err; | |
121 | ret = EVP_PKCS82PKEY(p8inf); | |
122 | if (x) { | |
123 | if (*x) | |
124 | EVP_PKEY_free((EVP_PKEY *)*x); | |
125 | *x = ret; | |
126 | } | |
127 | PKCS8_PRIV_KEY_INFO_free(p8inf); | |
128 | } | |
129 | p8err: | |
130 | if (ret == NULL) | |
131 | PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, ERR_R_ASN1_LIB); | |
132 | err: | |
133 | OPENSSL_free(nm); | |
134 | OPENSSL_cleanse(data, len); | |
135 | OPENSSL_free(data); | |
136 | return (ret); | |
137 | } | |
1241126a DSH |
138 | |
139 | #ifndef OPENSSL_NO_FP_API | |
40720ce3 MC |
140 | EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, |
141 | void *u) | |
142 | { | |
143 | BIO *b; | |
144 | EVP_PKEY *ret; | |
1241126a | 145 | |
40720ce3 MC |
146 | if ((b = BIO_new(BIO_s_file())) == NULL) { |
147 | PEMerr(PEM_F_PEM_READ_PRIVATEKEY, ERR_R_BUF_LIB); | |
148 | return (0); | |
149 | } | |
150 | BIO_set_fp(b, fp, BIO_NOCLOSE); | |
151 | ret = PEM_read_bio_PrivateKey(b, x, cb, u); | |
152 | BIO_free(b); | |
153 | return (ret); | |
154 | } | |
1241126a | 155 | #endif |