1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93

// Copyright 2022 Google LLC
//
// 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.

use crate::*;

pub(crate) fn new() -> Item {
    let docs = docs! {
        /// AES-CCM according to Bluetooth.
    };
    let name = "ccm".into();
    let items = vec![
        item! {
            /// Whether AES-CCM is supported.
            fn is_supported "ccs" {
            } -> {
                /// 1 if supported, 0 otherwise.
                supported: usize,
            }
        },
        item! {
            /// Encrypts a clear text given a key and IV.
            fn encrypt "cce" {
                /// The 16 bytes key to encrypt with.
                key: *const u8,

                /// The 8 bytes IV to encrypt with.
                iv: *const u8,

                /// Length in bytes of the `clear` text.
                ///
                /// This must be at most 251 bytes. The `cipher` length must be 4 bytes longer than
                /// this value.
                len: usize,

                /// The clear text to encrypt from.
                ///
                /// Its length must be provided in the `len` field.
                clear: *const u8,

                /// The cipher text to encrypt to.
                ///
                /// Its length must be `len + 4` bytes.
                cipher: *mut u8,
            } -> {
                /// Zero on success, bitwise complement of [`Error`](crate::crypto::Error)
                /// otherwise.
                res: isize,
            }
        },
        item! {
            /// Decrypts a cipher text given a key and IV.
            fn decrypt "ccd" {
                /// The 16 bytes key to encrypt with.
                key: *const u8,

                /// The 8 bytes IV to encrypt with.
                iv: *const u8,

                /// Length in bytes of the `clear` text.
                ///
                /// This must be at most 251 bytes. The `cipher` length must be 4 bytes longer than
                /// this value.
                len: usize,

                /// The cipher text to encrypt from.
                ///
                /// Its length must be `len + 4` bytes.
                cipher: *const u8,

                /// The clear text to encrypt to.
                ///
                /// Its length must be provided in the `len` field.
                clear: *mut u8,
            } -> {
                /// Zero on success, bitwise complement of [`Error`](crate::crypto::Error)
                /// otherwise.
                res: isize,
            }
        },
    ];
    Item::Mod(Mod { docs, name, items })
}