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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 serializes and encrypts a PKCS8_PRIV_KEY_INFO with PBES1 or
70  * PBES2 as defined in PKCS #5. Only pbeWithSHAAnd128BitRC4,
71  * pbeWithSHAAnd3-KeyTripleDES-CBC and pbeWithSHA1And40BitRC2, defined in PKCS
72  * #12, and PBES2, are supported.  PBES2 is selected by setting |cipher| and
73  * passing -1 for |pbe_nid|.  Otherwise, PBES1 is used and |cipher| is ignored.
74  *
75  * |pass| is used as the password. If a PBES1 scheme from PKCS #12 is used, this
76  * will be converted to a raw byte string as specified in B.1 of PKCS #12. If
77  * |pass| is NULL, it will be encoded as the empty byte string rather than two
78  * zero bytes, the PKCS #12 encoding of the empty string.
79  *
80  * If |salt| is NULL, a random salt of |salt_len| bytes is generated. If
81  * |salt_len| is zero, a default salt length is used instead.
82  *
83  * The resulting structure is stored in an |X509_SIG| which must be freed by the
84  * caller. */
85 OPENSSL_EXPORT X509_SIG *PKCS8_encrypt(int pbe_nid, const EVP_CIPHER *cipher,
86                                        const char *pass, int pass_len,
87                                        const uint8_t *salt, size_t salt_len,
88                                        int iterations,
89                                        PKCS8_PRIV_KEY_INFO *p8inf);
90 
91 /* PKCS8_marshal_encrypted_private_key behaves like |PKCS8_encrypt| but encrypts
92  * an |EVP_PKEY| and writes the serialized EncryptedPrivateKeyInfo to |out|. It
93  * returns one on success and zero on error. */
94 OPENSSL_EXPORT int PKCS8_marshal_encrypted_private_key(
95     CBB *out, int pbe_nid, const EVP_CIPHER *cipher, const char *pass,
96     size_t pass_len, const uint8_t *salt, size_t salt_len, int iterations,
97     const EVP_PKEY *pkey);
98 
99 /* PKCS8_decrypt decrypts and decodes a PKCS8_PRIV_KEY_INFO with PBES1 or PBES2
100  * as defined in PKCS #5. Only pbeWithSHAAnd128BitRC4,
101  * pbeWithSHAAnd3-KeyTripleDES-CBC and pbeWithSHA1And40BitRC2, and PBES2,
102  * defined in PKCS #12, are supported.
103  *
104  * |pass| is used as the password. If a PBES1 scheme from PKCS #12 is used, this
105  * will be converted to a raw byte string as specified in B.1 of PKCS #12. If
106  * |pass| is NULL, it will be encoded as the empty byte string rather than two
107  * zero bytes, the PKCS #12 encoding of the empty string.
108  *
109  * The resulting structure must be freed by the caller. */
110 OPENSSL_EXPORT PKCS8_PRIV_KEY_INFO *PKCS8_decrypt(X509_SIG *pkcs8,
111                                                   const char *pass,
112                                                   int pass_len);
113 
114 /* PKCS8_parse_encrypted_private_key behaves like |PKCS8_decrypt| but it parses
115  * the EncryptedPrivateKeyInfo structure from |cbs| and advances |cbs|. It
116  * returns a newly-allocated |EVP_PKEY| on success and zero on error. */
117 OPENSSL_EXPORT EVP_PKEY *PKCS8_parse_encrypted_private_key(CBS *cbs,
118                                                            const char *pass,
119                                                            size_t pass_len);
120 
121 /* PKCS12_get_key_and_certs parses a PKCS#12 structure from |in|, authenticates
122  * and decrypts it using |password|, sets |*out_key| to the included private
123  * key and appends the included certificates to |out_certs|. It returns one on
124  * success and zero on error. The caller takes ownership of the outputs. */
125 OPENSSL_EXPORT int PKCS12_get_key_and_certs(EVP_PKEY **out_key,
126                                             STACK_OF(X509) *out_certs,
127                                             CBS *in, const char *password);
128 
129 
130 /* Deprecated functions. */
131 
132 /* PKCS12_PBE_add does nothing. It exists for compatibility with OpenSSL. */
133 OPENSSL_EXPORT void PKCS12_PBE_add(void);
134 
135 /* d2i_PKCS12 is a dummy function that copies |*ber_bytes| into a
136  * |PKCS12| structure. The |out_p12| argument should be NULL(✝). On exit,
137  * |*ber_bytes| will be advanced by |ber_len|. It returns a fresh |PKCS12|
138  * structure or NULL on error.
139  *
140  * Note: unlike other d2i functions, |d2i_PKCS12| will always consume |ber_len|
141  * bytes.
142  *
143  * (✝) If |out_p12| is not NULL and the function is successful, |*out_p12| will
144  * be freed if not NULL itself and the result will be written to |*out_p12|.
145  * New code should not depend on this. */
146 OPENSSL_EXPORT PKCS12 *d2i_PKCS12(PKCS12 **out_p12, const uint8_t **ber_bytes,
147                                   size_t ber_len);
148 
149 /* d2i_PKCS12_bio acts like |d2i_PKCS12| but reads from a |BIO|. */
150 OPENSSL_EXPORT PKCS12* d2i_PKCS12_bio(BIO *bio, PKCS12 **out_p12);
151 
152 /* d2i_PKCS12_fp acts like |d2i_PKCS12| but reads from a |FILE|. */
153 OPENSSL_EXPORT PKCS12* d2i_PKCS12_fp(FILE *fp, PKCS12 **out_p12);
154 
155 /* PKCS12_parse calls |PKCS12_get_key_and_certs| on the ASN.1 data stored in
156  * |p12|. The |out_pkey| and |out_cert| arguments must not be NULL and, on
157  * successful exit, the private key and first certificate will be stored in
158  * them. The |out_ca_certs| argument may be NULL but, if not, then any extra
159  * certificates will be appended to |*out_ca_certs|. If |*out_ca_certs| is NULL
160  * then it will be set to a freshly allocated stack containing the extra certs.
161  *
162  * It returns one on success and zero on error. */
163 OPENSSL_EXPORT int PKCS12_parse(const PKCS12 *p12, const char *password,
164                                 EVP_PKEY **out_pkey, X509 **out_cert,
165                                 STACK_OF(X509) **out_ca_certs);
166 
167 /* PKCS12_verify_mac returns one if |password| is a valid password for |p12|
168  * and zero otherwise. Since |PKCS12_parse| doesn't take a length parameter,
169  * it's not actually possible to use a non-NUL-terminated password to actually
170  * get anything from a |PKCS12|. Thus |password| and |password_len| may be
171  * |NULL| and zero, respectively, or else |password_len| may be -1, or else
172  * |password[password_len]| must be zero and no other NUL bytes may appear in
173  * |password|. If the |password_len| checks fail, zero is returned
174  * immediately. */
175 OPENSSL_EXPORT int PKCS12_verify_mac(const PKCS12 *p12, const char *password,
176                                      int password_len);
177 
178 /* PKCS12_free frees |p12| and its contents. */
179 OPENSSL_EXPORT void PKCS12_free(PKCS12 *p12);
180 
181 
182 #if defined(__cplusplus)
183 }  /* extern C */
184 
185 extern "C++" {
186 
187 namespace bssl {
188 
189 BORINGSSL_MAKE_DELETER(PKCS12, PKCS12_free)
190 BORINGSSL_MAKE_DELETER(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_free)
191 
192 }  // namespace bssl
193 
194 }  /* extern C++ */
195 
196 #endif
197 
198 #define PKCS8_R_BAD_PKCS12_DATA 100
199 #define PKCS8_R_BAD_PKCS12_VERSION 101
200 #define PKCS8_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER 102
201 #define PKCS8_R_CRYPT_ERROR 103
202 #define PKCS8_R_DECODE_ERROR 104
203 #define PKCS8_R_ENCODE_ERROR 105
204 #define PKCS8_R_ENCRYPT_ERROR 106
205 #define PKCS8_R_ERROR_SETTING_CIPHER_PARAMS 107
206 #define PKCS8_R_INCORRECT_PASSWORD 108
207 #define PKCS8_R_KEYGEN_FAILURE 109
208 #define PKCS8_R_KEY_GEN_ERROR 110
209 #define PKCS8_R_METHOD_NOT_SUPPORTED 111
210 #define PKCS8_R_MISSING_MAC 112
211 #define PKCS8_R_MULTIPLE_PRIVATE_KEYS_IN_PKCS12 113
212 #define PKCS8_R_PKCS12_PUBLIC_KEY_INTEGRITY_NOT_SUPPORTED 114
213 #define PKCS8_R_PKCS12_TOO_DEEPLY_NESTED 115
214 #define PKCS8_R_PRIVATE_KEY_DECODE_ERROR 116
215 #define PKCS8_R_PRIVATE_KEY_ENCODE_ERROR 117
216 #define PKCS8_R_TOO_LONG 118
217 #define PKCS8_R_UNKNOWN_ALGORITHM 119
218 #define PKCS8_R_UNKNOWN_CIPHER 120
219 #define PKCS8_R_UNKNOWN_CIPHER_ALGORITHM 121
220 #define PKCS8_R_UNKNOWN_DIGEST 122
221 #define PKCS8_R_UNKNOWN_HASH 123
222 #define PKCS8_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM 124
223 #define PKCS8_R_UNSUPPORTED_KEYLENGTH 125
224 #define PKCS8_R_UNSUPPORTED_SALT_TYPE 126
225 #define PKCS8_R_UNSUPPORTED_CIPHER 127
226 #define PKCS8_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 128
227 #define PKCS8_R_BAD_ITERATION_COUNT 129
228 #define PKCS8_R_UNSUPPORTED_PRF 130
229 
230 #endif  /* OPENSSL_HEADER_PKCS8_H */
231