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79 lines
2.4 KiB
79 lines
2.4 KiB
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Digital Voice Modem - Test Suite
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright (C) 2025 Bryan Biedenkapp, N2PLL
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*
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*/
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#include "host/Defines.h"
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#include "common/p25/Crypto.h"
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#include "common/Log.h"
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#include "common/Utils.h"
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#include <catch2/catch_test_macros.hpp>
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#include <stdlib.h>
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#include <time.h>
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TEST_CASE("AES KEK Crypto Test", "[aes][p25_kek_crypto]") {
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bool failed = false;
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INFO("P25 AES256 KEK Crypto Test");
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srand((unsigned int)time(NULL));
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// example data taken from TIA-102.AACA-C-2023 Section 14.3.3
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// Encrypted Key Frame
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uint8_t testWrappedKeyFrame[40U] =
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{
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0x80, 0x28, 0x9C, 0xF6, 0x35, 0xFB, 0x68, 0xD3, 0x45, 0xD3, 0x4F, 0x62, 0xEF, 0x06, 0x3B, 0xA4,
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0xE0, 0x5C, 0xAE, 0x47, 0x56, 0xE7, 0xD3, 0x04, 0x46, 0xD1, 0xF0, 0x7C, 0x6E, 0xB4, 0xE9, 0xE0,
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0x84, 0x09, 0x45, 0x37, 0x23, 0x72, 0xFB, 0x80
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};
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// key (K)
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uint8_t K[32U] =
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{
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0x49, 0x40, 0x02, 0xBF, 0x16, 0x31, 0x32, 0xA4, 0x21, 0xFB, 0xEF, 0x11, 0x7F, 0x98, 0x5A, 0x0C,
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0xAA, 0xDD, 0xC2, 0x50, 0xA4, 0xC2, 0x19, 0x47, 0xD5, 0x93, 0xE6, 0xC0, 0x67, 0xDE, 0x40, 0x2C
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};
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// message
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uint8_t message[32U] =
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{
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0x2A, 0x19, 0x38, 0xCD, 0x0B, 0x6B, 0x6B, 0xD0, 0xB7, 0x74, 0x56, 0x92, 0xFE, 0x19, 0x14, 0xF0,
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0x38, 0x76, 0x61, 0x2F, 0xC2, 0x9D, 0x57, 0x77, 0x89, 0xA6, 0x2F, 0x65, 0xFA, 0x05, 0xEF, 0x83
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};
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Utils::dump(2U, "KEK_Crypto_Test, Key", K, 32);
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Utils::dump(2U, "KEK_Crypto_Test, Message", message, 32);
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p25::crypto::P25Crypto crypto;
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UInt8Array wrappedKey = crypto.cryptAES_TEK(K, message, 32U);
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Utils::dump(2U, "KEK_Crypto_Test, Wrapped", wrappedKey.get(), 40);
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for (uint32_t i = 0; i < 40U; i++) {
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if (wrappedKey[i] != testWrappedKeyFrame[i]) {
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::LogDebug("T", "P25_AES_KEK_Crypto_Test, WRAPPED INVALID AT IDX %d", i);
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failed = true;
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}
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}
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UInt8Array unwrappedKey = crypto.decryptAES_TEK(K, wrappedKey.get(), 40U);
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Utils::dump(2U, "KEK_Crypto_Test, Unwrapped", unwrappedKey.get(), 40);
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for (uint32_t i = 0; i < 32U; i++) {
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if (unwrappedKey[i] != message[i]) {
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::LogError("T", "P25_AES_KEK_Crypto_Test, UNWRAPPED INVALID AT IDX %d", i);
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failed = true;
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}
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}
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REQUIRE(failed==false);
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}
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