diff options
Diffstat (limited to 'src/include/gnunet_abe_lib.h')
-rw-r--r-- | src/include/gnunet_abe_lib.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/src/include/gnunet_abe_lib.h b/src/include/gnunet_abe_lib.h deleted file mode 100644 index 7aeb3520d..000000000 --- a/src/include/gnunet_abe_lib.h +++ /dev/null | |||
@@ -1,193 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2001-2018 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | |||
18 | SPDX-License-Identifier: AGPL3.0-or-later | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file include/gnunet_abe_lib.h | ||
23 | * @brief Attribute-Based Encryption primitives for GNUnet | ||
24 | * | ||
25 | * @author Martin Schanzenbach | ||
26 | * | ||
27 | * @defgroup abe ABE Crypto library: Attribute-Based Encryption operations | ||
28 | * | ||
29 | */ | ||
30 | #ifndef GNUNET_ABE_LIB_H | ||
31 | #define GNUNET_ABE_LIB_H | ||
32 | |||
33 | #ifdef __cplusplus | ||
34 | extern "C" | ||
35 | { | ||
36 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
37 | } | ||
38 | #endif | ||
39 | #endif | ||
40 | |||
41 | #include "gnunet_common.h" | ||
42 | #include <gcrypt.h> | ||
43 | |||
44 | /** | ||
45 | * @brief type for ABE master keys | ||
46 | */ | ||
47 | struct GNUNET_CRYPTO_AbeMasterKey; | ||
48 | |||
49 | /** | ||
50 | * @brief type for ABE keys | ||
51 | */ | ||
52 | struct GNUNET_CRYPTO_AbeKey; | ||
53 | |||
54 | |||
55 | /** | ||
56 | * @ingroup abe | ||
57 | * Create a new CP-ABE master key. Caller must free return value. | ||
58 | * | ||
59 | * @return fresh private key; free using #GNUNET_ABE_cpabe_delete_master_key | ||
60 | */ | ||
61 | struct GNUNET_ABE_AbeMasterKey * | ||
62 | GNUNET_ABE_cpabe_create_master_key (void); | ||
63 | |||
64 | /** | ||
65 | * @ingroup abe | ||
66 | * Delete a CP-ABE master key. | ||
67 | * | ||
68 | * @param key the master key | ||
69 | * @return fresh private key; free using #GNUNET_free | ||
70 | */ | ||
71 | void | ||
72 | GNUNET_ABE_cpabe_delete_master_key (struct GNUNET_ABE_AbeMasterKey *key); | ||
73 | |||
74 | /** | ||
75 | * @ingroup abe | ||
76 | * Create a new CP-ABE key. Caller must free return value. | ||
77 | * | ||
78 | * @param key the master key | ||
79 | * @param attrs the attributes to append to the key | ||
80 | * @return fresh private key; free using #GNUNET_ABE_cpabe_delete_key | ||
81 | */ | ||
82 | struct GNUNET_ABE_AbeKey * | ||
83 | GNUNET_ABE_cpabe_create_key (struct GNUNET_ABE_AbeMasterKey *key, | ||
84 | char **attrs); | ||
85 | |||
86 | /** | ||
87 | * @ingroup abe | ||
88 | * Delete a CP-ABE key. | ||
89 | * | ||
90 | * @param key the key to delete | ||
91 | * @param delete_pub GNUNET_YES if the public key should also be freed (bug in gabe) | ||
92 | * @return fresh private key; free using #GNUNET_free | ||
93 | */ | ||
94 | void | ||
95 | GNUNET_ABE_cpabe_delete_key (struct GNUNET_ABE_AbeKey *key, | ||
96 | int delete_pub); | ||
97 | |||
98 | |||
99 | /** | ||
100 | * @ingroup abe | ||
101 | * Encrypt a block using sessionkey. | ||
102 | * | ||
103 | * @param block the block to encrypt | ||
104 | * @param size the size of the @a block | ||
105 | * @param policy the ABE policy | ||
106 | * @param key the key used to encrypt | ||
107 | * @param result the result buffer. Will be allocated. Free using #GNUNET_free | ||
108 | * @return the size of the encrypted block, -1 for errors | ||
109 | */ | ||
110 | ssize_t | ||
111 | GNUNET_ABE_cpabe_encrypt (const void *block, | ||
112 | size_t size, | ||
113 | const char *policy, | ||
114 | const struct GNUNET_ABE_AbeMasterKey *key, | ||
115 | void **result); | ||
116 | |||
117 | /** | ||
118 | * @ingroup abe | ||
119 | * Decrypt a block using the ABE key. | ||
120 | * | ||
121 | * @param block the block to encrypt | ||
122 | * @param size the size of the @a block | ||
123 | * @param key the key used to decrypt | ||
124 | * @param result the result buffer. Will be allocated. Free using #GNUNET_free | ||
125 | * @return the size of the encrypted block, -1 for errors | ||
126 | */ | ||
127 | ssize_t | ||
128 | GNUNET_ABE_cpabe_decrypt (const void *block, | ||
129 | size_t size, | ||
130 | const struct GNUNET_ABE_AbeKey *key, | ||
131 | void **result); | ||
132 | |||
133 | /** | ||
134 | * @ingroup abe | ||
135 | * Serialize an ABE key. | ||
136 | * | ||
137 | * @param key the key to serialize | ||
138 | * @param result the result buffer. Will be allocated. Free using #GNUNET_free | ||
139 | * @return the size of the encrypted block, -1 for errors | ||
140 | */ | ||
141 | ssize_t | ||
142 | GNUNET_ABE_cpabe_serialize_key (const struct GNUNET_ABE_AbeKey *key, | ||
143 | void **result); | ||
144 | |||
145 | /** | ||
146 | * @ingroup abe | ||
147 | * Deserialize a serialized ABE key. | ||
148 | * | ||
149 | * @param data the data to deserialize | ||
150 | * @param len the length of the data. | ||
151 | * @return the ABE key. NULL of unsuccessful | ||
152 | */ | ||
153 | struct GNUNET_ABE_AbeKey* | ||
154 | GNUNET_ABE_cpabe_deserialize_key (const void *data, | ||
155 | size_t len); | ||
156 | |||
157 | /** | ||
158 | * @ingroup abe | ||
159 | * Serialize an ABE master key. | ||
160 | * | ||
161 | * @param key the key to serialize | ||
162 | * @param result the result buffer. Will be allocated. Free using #GNUNET_free | ||
163 | * @return the size of the encrypted block, -1 for errors | ||
164 | */ | ||
165 | ssize_t | ||
166 | GNUNET_ABE_cpabe_serialize_master_key (const struct | ||
167 | GNUNET_ABE_AbeMasterKey *key, | ||
168 | void **result); | ||
169 | |||
170 | /** | ||
171 | * @ingroup abe | ||
172 | * Deserialize an ABE master key. | ||
173 | * | ||
174 | * @param data the data to deserialize | ||
175 | * @param len the length of the data. | ||
176 | * @return the ABE key. NULL of unsuccessful | ||
177 | */ | ||
178 | struct GNUNET_ABE_AbeMasterKey* | ||
179 | GNUNET_ABE_cpabe_deserialize_master_key (const void *data, | ||
180 | size_t len); | ||
181 | |||
182 | |||
183 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
184 | { | ||
185 | #endif | ||
186 | #ifdef __cplusplus | ||
187 | } | ||
188 | #endif | ||
189 | |||
190 | |||
191 | /* ifndef GNUNET_ABE_LIB_H */ | ||
192 | #endif | ||
193 | /* end of gnunet_abe_lib.h */ | ||