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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/*
* Copyright (c) 2018, The OpenThread Authors.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @file
* This file implements a simple tool to compute pskc.
*/
#include <mbedtls/sha256.h>
#include <stdio.h>
#include <stdlib.h>
#include "common/code_utils.hpp"
#include "utils/hex.hpp"
#include "utils/steering_data.hpp"
using namespace ot;
void help(void)
{
printf("steering-data - compute steering data\n"
"SYNTAX:\n"
" steering-data [LENGTH] <JOINER_ID> ...\n"
"EXAMPLE:\n"
" steering-data 18b4300000000001\n"
" steering-data 15 18b4300000000001\n"
" steering-data 18b4300000000001 18b4300000000002\n");
}
int ComputeJoinerId(const char *aEui64, uint8_t *aJoinerId)
{
int ret = -1;
VerifyOrExit(strlen(aEui64) == SteeringData::kSizeJoinerId * 2);
VerifyOrExit(ot::Utils::Hex2Bytes(aEui64, aJoinerId, SteeringData::kSizeJoinerId) == SteeringData::kSizeJoinerId);
ot::SteeringData::ComputeJoinerId(aJoinerId, aJoinerId);
ret = 0;
exit:
if (ret != 0)
{
fprintf(stderr, "Invalid EUI64: %s", aEui64);
}
return ret;
}
int main(int argc, char *argv[])
{
ot::SteeringData computer;
int ret = -1;
int length = 16;
int i = 1;
if (argc < 2)
{
ExitNow(help());
}
if (strlen(argv[i]) != SteeringData::kSizeJoinerId * 2)
{
length = atoi(argv[i]);
VerifyOrExit(length > 0 && length <= SteeringData::kMaxSizeOfBloomFilter,
fprintf(stderr, "Invalid bloom filter length: %d\n", length));
++i;
}
computer.Init(length);
for (; i < argc; ++i)
{
uint8_t joinerId[SteeringData::kSizeJoinerId];
VerifyOrExit(ComputeJoinerId(argv[i], joinerId) == 0, fprintf(stderr, "Invalid EUI64 : %s\n", argv[i]));
computer.ComputeBloomFilter(joinerId);
}
for (i = 0; i < length; i++)
{
printf("%02x", computer.GetBloomFilter()[i]);
}
printf("\n");
ret = 0;
exit:
return ret;
}
|
