1 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
2  * project 1999.
3  */
4 /* ====================================================================
5  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in
16  *    the documentation and/or other materials provided with the
17  *    distribution.
18  *
19  * 3. All advertising materials mentioning features or use of this
20  *    software must display the following acknowledgment:
21  *    "This product includes software developed by the OpenSSL Project
22  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
23  *
24  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25  *    endorse or promote products derived from this software without
26  *    prior written permission. For written permission, please contact
27  *    licensing@OpenSSL.org.
28  *
29  * 5. Products derived from this software may not be called "OpenSSL"
30  *    nor may "OpenSSL" appear in their names without prior written
31  *    permission of the OpenSSL Project.
32  *
33  * 6. Redistributions of any form whatsoever must retain the following
34  *    acknowledgment:
35  *    "This product includes software developed by the OpenSSL Project
36  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
37  *
38  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
42  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49  * OF THE POSSIBILITY OF SUCH DAMAGE.
50  * ====================================================================
51  *
52  * This product includes cryptographic software written by Eric Young
53  * (eay@cryptsoft.com).  This product includes software written by Tim
54  * Hudson (tjh@cryptsoft.com). */
55 
56 
57 #ifndef OPENSSL_HEADER_PKCS8_H
58 #define OPENSSL_HEADER_PKCS8_H
59 
60 #include <openssl/base.h>
61 #include <openssl/x509.h>
62 
63 
64 #if defined(__cplusplus)
65 extern "C" {
66 #endif
67 
68 
69 /* PKCS8_encrypt_pbe serializes and encrypts a PKCS8_PRIV_KEY_INFO with PBES1 as
70  * defined in PKCS #5. Only pbeWithSHAAnd128BitRC4,
71  * pbeWithSHAAnd3-KeyTripleDES-CBC and pbeWithSHA1And40BitRC2, defined in PKCS
72  * #12, are supported. The |pass_raw_len| bytes pointed to by |pass_raw| are
73  * used as the password. Note that any conversions from the password as
74  * supplied in a text string (such as those specified in B.1 of PKCS #12) must
75  * be performed by the caller.
76  *
77  * If |salt| is NULL, a random salt of |salt_len| bytes is generated. If
78  * |salt_len| is zero, a default salt length is used instead.
79  *
80  * The resulting structure is stored in an X509_SIG which must be freed by the
81  * caller.
82  *
83  * TODO(davidben): Really? An X509_SIG? OpenSSL probably did that because it has
84  * the same structure as EncryptedPrivateKeyInfo. */
85 OPENSSL_EXPORT X509_SIG *PKCS8_encrypt_pbe(int pbe_nid,
86                                            const uint8_t *pass_raw,
87                                            size_t pass_raw_len,
88                                            uint8_t *salt, size_t salt_len,
89                                            int iterations,
90                                            PKCS8_PRIV_KEY_INFO *p8inf);
91 
92 /* PKCS8_decrypt_pbe decrypts and decodes a PKCS8_PRIV_KEY_INFO with PBES1 as
93  * defined in PKCS #5. Only pbeWithSHAAnd128BitRC4,
94  * pbeWithSHAAnd3-KeyTripleDES-CBC and pbeWithSHA1And40BitRC2, defined in PKCS
95  * #12, are supported. The |pass_raw_len| bytes pointed to by |pass_raw| are
96  * used as the password. Note that any conversions from the password as
97  * supplied in a text string (such as those specified in B.1 of PKCS #12) must
98  * be performed by the caller.
99  *
100  * The resulting structure must be freed by the caller. */
101 OPENSSL_EXPORT PKCS8_PRIV_KEY_INFO *PKCS8_decrypt_pbe(X509_SIG *pkcs8,
102                                                       const uint8_t *pass_raw,
103                                                       size_t pass_raw_len);
104 
105 
106 /* Deprecated functions. */
107 
108 /* PKCS8_encrypt calls PKCS8_encrypt_pbe after treating |pass| as an ASCII
109  * string, appending U+0000, and converting to UCS-2. (So the empty password
110  * encodes as two NUL bytes.) The |cipher| argument is ignored. */
111 OPENSSL_EXPORT X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
112                                        const char *pass, int pass_len,
113                                        uint8_t *salt, size_t salt_len,
114                                        int iterations,
115                                        PKCS8_PRIV_KEY_INFO *p8inf);
116 
117 /* PKCS8_decrypt calls PKCS8_decrypt_pbe after treating |pass| as an ASCII
118  * string, appending U+0000, and converting to UCS-2. (So the empty password
119  * encodes as two NUL bytes.) */
120 OPENSSL_EXPORT PKCS8_PRIV_KEY_INFO *PKCS8_decrypt(X509_SIG *pkcs8,
121                                                   const char *pass,
122                                                   int pass_len);
123 
124 /* PKCS12_get_key_and_certs parses a PKCS#12 structure from |in|, authenticates
125  * and decrypts it using |password|, sets |*out_key| to the included private
126  * key and appends the included certificates to |out_certs|. It returns one on
127  * success and zero on error. The caller takes ownership of the outputs. */
128 OPENSSL_EXPORT int PKCS12_get_key_and_certs(EVP_PKEY **out_key,
129                                             STACK_OF(X509) *out_certs,
130                                             CBS *in, const char *password);
131 
132 
133 /* Deprecated functions. */
134 
135 /* PKCS12_PBE_add does nothing. It exists for compatibility with OpenSSL. */
136 OPENSSL_EXPORT void PKCS12_PBE_add(void);
137 
138 /* d2i_PKCS12 is a dummy function that copies |*ber_bytes| into a
139  * |PKCS12| structure. The |out_p12| argument must be NULL. On exit,
140  * |*ber_bytes| will be advanced by |ber_len|. It returns a fresh |PKCS12|
141  * structure or NULL on error.
142  *
143  * Note: unlike other d2i functions, |d2i_PKCS12| will always consume |ber_len|
144  * bytes.*/
145 OPENSSL_EXPORT PKCS12 *d2i_PKCS12(PKCS12 **out_p12, const uint8_t **ber_bytes,
146                                   size_t ber_len);
147 
148 /* d2i_PKCS12_bio acts like |d2i_PKCS12| but reads from a |BIO|. */
149 OPENSSL_EXPORT PKCS12* d2i_PKCS12_bio(BIO *bio, PKCS12 **out_p12);
150 
151 /* d2i_PKCS12_fp acts like |d2i_PKCS12| but reads from a |FILE|. */
152 OPENSSL_EXPORT PKCS12* d2i_PKCS12_fp(FILE *fp, PKCS12 **out_p12);
153 
154 /* PKCS12_parse calls |PKCS12_get_key_and_certs| on the ASN.1 data stored in
155  * |p12|. The |out_pkey| and |out_cert| arguments must not be NULL and, on
156  * successful exit, the private key and first certificate will be stored in
157  * them. The |out_ca_certs| argument may be NULL but, if not, then any extra
158  * certificates will be appended to |*out_ca_certs|. If |*out_ca_certs| is NULL
159  * then it will be set to a freshly allocated stack containing the extra certs.
160  *
161  * It returns one on success and zero on error. */
162 OPENSSL_EXPORT int PKCS12_parse(const PKCS12 *p12, const char *password,
163                                 EVP_PKEY **out_pkey, X509 **out_cert,
164                                 STACK_OF(X509) **out_ca_certs);
165 
166 /* PKCS12_free frees |p12| and its contents. */
167 OPENSSL_EXPORT void PKCS12_free(PKCS12 *p12);
168 
169 #if defined(__cplusplus)
170 }  /* extern C */
171 #endif
172 
173 #define PKCS8_F_EVP_PKCS82PKEY 100
174 #define PKCS8_F_EVP_PKEY2PKCS8 101
175 #define PKCS8_F_PKCS12_get_key_and_certs 102
176 #define PKCS8_F_PKCS12_handle_content_info 103
177 #define PKCS8_F_PKCS12_handle_content_infos 104
178 #define PKCS8_F_PKCS5_pbe2_set_iv 105
179 #define PKCS8_F_PKCS5_pbe_set 106
180 #define PKCS8_F_PKCS5_pbe_set0_algor 107
181 #define PKCS8_F_PKCS5_pbkdf2_set 108
182 #define PKCS8_F_PKCS8_decrypt 109
183 #define PKCS8_F_PKCS8_encrypt 110
184 #define PKCS8_F_PKCS8_encrypt_pbe 111
185 #define PKCS8_F_pbe_cipher_init 112
186 #define PKCS8_F_pbe_crypt 113
187 #define PKCS8_F_pkcs12_item_decrypt_d2i 114
188 #define PKCS8_F_pkcs12_item_i2d_encrypt 115
189 #define PKCS8_F_pkcs12_key_gen_raw 116
190 #define PKCS8_F_pkcs12_pbe_keyivgen 117
191 #define PKCS8_R_BAD_PKCS12_DATA 100
192 #define PKCS8_R_BAD_PKCS12_VERSION 101
193 #define PKCS8_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER 102
194 #define PKCS8_R_CRYPT_ERROR 103
195 #define PKCS8_R_DECODE_ERROR 104
196 #define PKCS8_R_ENCODE_ERROR 105
197 #define PKCS8_R_ENCRYPT_ERROR 106
198 #define PKCS8_R_ERROR_SETTING_CIPHER_PARAMS 107
199 #define PKCS8_R_INCORRECT_PASSWORD 108
200 #define PKCS8_R_KEYGEN_FAILURE 109
201 #define PKCS8_R_KEY_GEN_ERROR 110
202 #define PKCS8_R_METHOD_NOT_SUPPORTED 111
203 #define PKCS8_R_MISSING_MAC 112
204 #define PKCS8_R_MULTIPLE_PRIVATE_KEYS_IN_PKCS12 113
205 #define PKCS8_R_PKCS12_PUBLIC_KEY_INTEGRITY_NOT_SUPPORTED 114
206 #define PKCS8_R_PKCS12_TOO_DEEPLY_NESTED 115
207 #define PKCS8_R_PRIVATE_KEY_DECODE_ERROR 116
208 #define PKCS8_R_PRIVATE_KEY_ENCODE_ERROR 117
209 #define PKCS8_R_TOO_LONG 118
210 #define PKCS8_R_UNKNOWN_ALGORITHM 119
211 #define PKCS8_R_UNKNOWN_CIPHER 120
212 #define PKCS8_R_UNKNOWN_CIPHER_ALGORITHM 121
213 #define PKCS8_R_UNKNOWN_DIGEST 122
214 #define PKCS8_R_UNKNOWN_HASH 123
215 #define PKCS8_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 124
216 
217 #endif  /* OPENSSL_HEADER_PKCS8_H */
218