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31 * This file implements a simple tool to compute pskc.
37 #include "common/code_utils.hpp"
38 #include "utils/hex.hpp"
39 #include "utils/pskc.hpp"
53 printf("pskc - compute PSKc\n"
55 " pskc <PASSPHRASE> <EXTPANID> <NETWORK_NAME>\n"
57 " pskc 654321 1122334455667788 OpenThread\n");
60 int printPSKc(const char *aPassphrase, const char *aExtPanId, const char *aNetworkName)
62 uint8_t extpanid[kSizeExtPanId];
66 otbr::Psk::Pskc pskcComputer;
69 length = strlen(aPassphrase);
70 VerifyOrExit(length > 0, printf("PASSPHRASE must not be empty.\n"));
71 VerifyOrExit(length <= kMaxPassphrase,
72 printf("PASSPHRASE Passphrase must be no more than %d bytes.\n", kMaxPassphrase));
74 length = strlen(aExtPanId);
75 VerifyOrExit(length == kSizeExtPanId * 2, printf("EXTPANID length must be %d bytes.\n", kSizeExtPanId));
76 for (size_t i = 0; i < length; i++)
78 VerifyOrExit((aExtPanId[i] <= '9' && aExtPanId[i] >= '0') || (aExtPanId[i] <= 'f' && aExtPanId[i] >= 'a') ||
79 (aExtPanId[i] <= 'F' && aExtPanId[i] >= 'A'),
80 printf("EXTPANID must be encoded in hex.\n"));
82 otbr::Utils::Hex2Bytes(aExtPanId, extpanid, sizeof(extpanid));
84 length = strlen(aNetworkName);
85 VerifyOrExit(length > 0, printf("NETWORK_NAME must not be empty.\n"));
86 VerifyOrExit(length <= kMaxNetworkName,
87 printf("NETWOR_KNAME length must be no more than %d bytes.\n", kMaxNetworkName));
89 pskc = pskcComputer.ComputePskc(extpanid, aNetworkName, aPassphrase);
90 for (int i = 0; i < 16; i++)
92 printf("%02x", pskc[i]);
101 int main(int argc, char *argv[])
105 VerifyOrExit(argc == 4, help(), ret = EX_USAGE);
106 ret = printPSKc(argv[1], argv[2], argv[3]);