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dvmhost/tests/p25/KMM_Rekey_CMAC_Test.cpp

109 lines
3.6 KiB

// SPDX-License-Identifier: GPL-2.0-only
/*
* Digital Voice Modem - Test Suite
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright (C) 2025 Bryan Biedenkapp, N2PLL
*
*/
#include "host/Defines.h"
#include "common/p25/P25Defines.h"
#include "common/p25/kmm/KMMRekeyCommand.h"
#include "common/Log.h"
#include "common/Utils.h"
using namespace p25;
using namespace p25::defines;
using namespace p25::kmm;
#include <catch2/catch_test_macros.hpp>
#include <stdlib.h>
#include <time.h>
TEST_CASE("KMM_ReKey_CMAC", "[P25 KMM Rekey Command CMAC Test]") {
SECTION("P25_KMM_ReKey_CMAC_Test") {
bool failed = false;
INFO("P25 KMM ReKey Test");
srand((unsigned int)time(NULL));
// MAC TEK
uint8_t macTek[] =
{
0x16, 0x85, 0x62, 0x45, 0x3B, 0x3E, 0x7F, 0x61, 0x8D, 0x68, 0xB3, 0x87, 0xE0, 0xB9, 0x97, 0xE1,
0xFB, 0x0F, 0x26, 0x4F, 0xA8, 0x3B, 0x74, 0xE4, 0x3B, 0x17, 0x29, 0x17, 0xBD, 0x39, 0x33, 0x9F
};
// data block
uint8_t dataBlock[] =
{
0x1E, 0x00, 0x4D, 0xA8, 0x64, 0x3B, 0xA8, 0x71, 0x2B, 0x1D, 0x17, 0x72, 0x00, 0x84, 0x50, 0xBC,
0x01, 0x00, 0x01, 0x84, 0x28, 0x01, 0x00, 0x00, 0x00, 0x49, 0x83, 0x80, 0x28, 0x9C, 0xF6, 0x35,
0xFB, 0x68, 0xD3, 0x45, 0xD3, 0x4F, 0x62, 0xEF, 0x06, 0x3B, 0xA4, 0xE0, 0x5C, 0xAE, 0x47, 0x56,
0xE7, 0xD3, 0x04, 0x46, 0xD1, 0xF0, 0x7C, 0x6E, 0xB4, 0xE9, 0xE0, 0x84, 0x09, 0x45, 0x37, 0x23,
0x72, 0xFB, 0x80, 0x21, 0x85, 0x22, 0x33, 0x41, 0xD9, 0x8A, 0x97, 0x08, 0x84, 0x2F, 0x62, 0x41
};
// Encrypted Key Frame
uint8_t testWrappedKeyFrame[40U] =
{
0x80, 0x28, 0x9C, 0xF6, 0x35, 0xFB, 0x68, 0xD3, 0x45, 0xD3, 0x4F, 0x62, 0xEF, 0x06, 0x3B, 0xA4,
0xE0, 0x5C, 0xAE, 0x47, 0x56, 0xE7, 0xD3, 0x04, 0x46, 0xD1, 0xF0, 0x7C, 0x6E, 0xB4, 0xE9, 0xE0,
0x84, 0x09, 0x45, 0x37, 0x23, 0x72, 0xFB, 0x80
};
Utils::dump(2U, "P25_KMM_ReKey_CMAC_Test, DataBlock", dataBlock, 80U);
KMMRekeyCommand outKmm = KMMRekeyCommand();
outKmm.setDecryptInfoFmt(KMM_DECRYPT_INSTRUCT_NONE);
outKmm.setSrcLLId(0x712B1DU);
outKmm.setDstLLId(0x643BA8U);
outKmm.setMACType(KMM_MAC::ENH_MAC);
outKmm.setMACAlgId(ALGO_AES_256);
outKmm.setMACKId(0x2F62U);
outKmm.setMACFormat(KMM_MAC_FORMAT_CMAC);
outKmm.setMessageNumber(0x1772U);
outKmm.setAlgId(ALGO_AES_256);
outKmm.setKId(0x50BCU);
KeysetItem ks;
ks.keysetId(1U);
ks.algId(ALGO_AES_256); // we currently can only OTAR AES256 keys
ks.keyLength(P25DEF::MAX_WRAPPED_ENC_KEY_LENGTH_BYTES);
p25::kmm::KeyItem ki = p25::kmm::KeyItem();
ki.keyFormat(0U);
ki.sln(0U);
ki.kId(0x4983U);
ki.setKey(testWrappedKeyFrame, 40U);
ks.push_back(ki);
std::vector<KeysetItem> keysets;
keysets.push_back(ks);
outKmm.setKeysets(keysets);
UInt8Array kmmFrame = std::make_unique<uint8_t[]>(outKmm.fullLength());
outKmm.encode(kmmFrame.get());
outKmm.generateMAC(macTek, kmmFrame.get());
Utils::dump(2U, "P25_KMM_ReKey_CMAC_Test, GeneratedDataBlock", kmmFrame.get(), outKmm.fullLength());
for (uint32_t i = 0; i < outKmm.fullLength(); i++) {
if (kmmFrame.get()[i] != dataBlock[i]) {
::LogError("T", "P25_KMM_ReKey_CMAC_Test, INVALID AT IDX %d", i);
failed = true;
}
}
REQUIRE(failed==false);
}
}

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