1 /*
2 * Copyright (c) 2016, The OpenThread Authors.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. Neither the name of the copyright holder nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 /**
30 * @file
31 * This file implements AES-ECB.
32 */
33
34 #include "aes_ecb.hpp"
35 #include "common/debug.hpp"
36 #include "common/error.hpp"
37
38 namespace ot {
39 namespace Crypto {
40
AesEcb(void)41 AesEcb::AesEcb(void)
42 {
43 mContext.mContext = mContextStorage;
44 mContext.mContextSize = sizeof(mContextStorage);
45 SuccessOrAssert(otPlatCryptoAesInit(&mContext));
46 }
47
SetKey(const Key & aKey)48 void AesEcb::SetKey(const Key &aKey)
49 {
50 SuccessOrAssert(otPlatCryptoAesSetKey(&mContext, &aKey));
51 }
52
Encrypt(const uint8_t aInput[kBlockSize],uint8_t aOutput[kBlockSize])53 void AesEcb::Encrypt(const uint8_t aInput[kBlockSize], uint8_t aOutput[kBlockSize])
54 {
55 SuccessOrAssert(otPlatCryptoAesEncrypt(&mContext, aInput, aOutput));
56 }
57
~AesEcb(void)58 AesEcb::~AesEcb(void)
59 {
60 SuccessOrAssert(otPlatCryptoAesFree(&mContext));
61 }
62
63 } // namespace Crypto
64 } // namespace ot
65