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
36 namespace ot {
37 namespace Crypto {
38
AesEcb(void)39 AesEcb::AesEcb(void)
40 {
41 mbedtls_aes_init(&mContext);
42 }
43
SetKey(const uint8_t * aKey,uint16_t aKeyLength)44 void AesEcb::SetKey(const uint8_t *aKey, uint16_t aKeyLength)
45 {
46 mbedtls_aes_setkey_enc(&mContext, aKey, aKeyLength);
47 }
48
Encrypt(const uint8_t aInput[kBlockSize],uint8_t aOutput[kBlockSize])49 void AesEcb::Encrypt(const uint8_t aInput[kBlockSize], uint8_t aOutput[kBlockSize])
50 {
51 mbedtls_aes_crypt_ecb(&mContext, MBEDTLS_AES_ENCRYPT, aInput, aOutput);
52 }
53
~AesEcb(void)54 AesEcb::~AesEcb(void)
55 {
56 mbedtls_aes_free(&mContext);
57 }
58
59 } // namespace Crypto
60 } // namespace ot
61
