1 /*
2 * Copyright (c) 2019, 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 the OpenThread software random number generator API.
32 */
33
34 #include <openthread/random_noncrypto.h>
35
36 #include "common/random.hpp"
37
38 using namespace ot;
39
otRandomNonCryptoGetUint32(void)40 uint32_t otRandomNonCryptoGetUint32(void)
41 {
42 return Random::NonCrypto::GetUint32();
43 }
44
otRandomNonCryptoGetUint8(void)45 uint8_t otRandomNonCryptoGetUint8(void)
46 {
47 return Random::NonCrypto::GetUint8();
48 }
49
otRandomNonCryptoGetUint16(void)50 uint16_t otRandomNonCryptoGetUint16(void)
51 {
52 return Random::NonCrypto::GetUint16();
53 }
54
otRandomNonCryptoGetUint8InRange(uint8_t aMin,uint8_t aMax)55 uint8_t otRandomNonCryptoGetUint8InRange(uint8_t aMin, uint8_t aMax)
56 {
57 return Random::NonCrypto::GetUint8InRange(aMin, aMax);
58 }
59
otRandomNonCryptoGetUint16InRange(uint16_t aMin,uint16_t aMax)60 uint16_t otRandomNonCryptoGetUint16InRange(uint16_t aMin, uint16_t aMax)
61 {
62 return Random::NonCrypto::GetUint16InRange(aMin, aMax);
63 }
64
otRandomNonCryptoGetUint32InRange(uint32_t aMin,uint32_t aMax)65 uint32_t otRandomNonCryptoGetUint32InRange(uint32_t aMin, uint32_t aMax)
66 {
67 return Random::NonCrypto::GetUint32InRange(aMin, aMax);
68 }
69
otRandomNonCryptoFillBuffer(uint8_t * aBuffer,uint16_t aSize)70 void otRandomNonCryptoFillBuffer(uint8_t *aBuffer, uint16_t aSize)
71 {
72 Random::NonCrypto::FillBuffer(aBuffer, aSize);
73 }
74
otRandomNonCryptoAddJitter(uint32_t aValue,uint16_t aJitter)75 uint32_t otRandomNonCryptoAddJitter(uint32_t aValue, uint16_t aJitter)
76 {
77 return Random::NonCrypto::AddJitter(aValue, aJitter);
78 }
79