account.hh 1.84 KB
Newer Older
Mark Haines's avatar
Mark Haines committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
/* Copyright 2015 OpenMarket Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
15
16
17
18
#ifndef AXOLOTL_ACCOUNT_HH_
#define AXOLOTL_ACCOUNT_HH_

#include "axolotl/list.hh"
19
20
#include "axolotl/crypto.hh"
#include "axolotl/error.hh"
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43

#include <cstdint>

namespace axolotl {


struct LocalKey {
    std::uint32_t id;
    Curve25519KeyPair key;
};


struct SignedKey : LocalKey {
    std::uint8_t signature[64];
};


static std::size_t const MAX_ONE_TIME_KEYS = 100;

struct Account {
    LocalKey identity_key;
    LocalKey last_resort_one_time_key;
    List<LocalKey, MAX_ONE_TIME_KEYS> one_time_keys;
44
    ErrorCode last_error;
45
46
47
48
49
50

    /** Number of random bytes needed to create a new account */
    std::size_t new_account_random_length();

    /** Create a new account. Returns NOT_ENOUGH_RANDOM if the number of random
     * bytes is too small. */
51
    std::size_t new_account(
52
53
54
        uint8_t const * random, std::size_t random_length
    );

55
56
57
    LocalKey const * lookup_key(
        std::uint32_t id
    );
58
59
60
61

    std::size_t remove_key(
        std::uint32_t id
    );
62
};
63

64

65
66
67
std::size_t pickle_length(
    Account const & value
);
68

69
70
71
72
73
74
75
76
77
78
79

std::uint8_t * pickle(
    std::uint8_t * pos,
    Account const & value
);


std::uint8_t const * unpickle(
    std::uint8_t const * pos, std::uint8_t const * end,
    Account & value
);
80
81
82
83
84


} // namespace axolotl

#endif /* AXOLOTL_ACCOUNT_HH_ */