1 // Licensed to the Apache Software Foundation (ASF) under one
2 // or more contributor license agreements.  See the NOTICE file
3 // distributed with this work for additional information
4 // regarding copyright ownership.  The ASF licenses this file
5 // to you under the Apache License, Version 2.0 (the
6 // "License"); you may not use this file except in compliance
7 // with the License.  You may obtain a copy of the License at
8 //
9 //   http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing,
12 // software distributed under the License is distributed on an
13 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14 // KIND, either express or implied.  See the License for the
15 // specific language governing permissions and limitations
16 // under the License.
17 
18 #![no_std]
19 
20 pub enum Command {
21     Prepare,
22     Update,
23     EncFinal,
24     DecFinal,
25     Unknown,
26 }
27 
28 impl From<u32> for Command {
29     #[inline]
from(value: u32) -> Command30     fn from(value: u32) -> Command {
31         match value {
32             0 => Command::Prepare,
33             1 => Command::Update,
34             2 => Command::EncFinal,
35             3 => Command::DecFinal,
36             _ => Command::Unknown,
37         }
38     }
39 }
40 
41 pub enum Mode {
42     Encrypt,
43     Decrypt,
44     Unknown,
45 }
46 
47 impl From<u32> for Mode {
48     #[inline]
from(value: u32) -> Mode49     fn from(value: u32) -> Mode {
50         match value {
51             0 => Mode::Encrypt,
52             1 => Mode::Decrypt,
53             _ => Mode::Unknown,
54         }
55     }
56 }
57 
58 pub const BUFFER_SIZE: usize = 16;
59 pub const KEY_SIZE: usize = 16;
60 pub const AAD_LEN: usize = 16;
61 pub const TAG_LEN: usize = 16;
62 
63 pub const UUID: &str = &include_str!(concat!(env!("OUT_DIR"), "/uuid.txt"));
64