/*! * \file gnss_crypto_test.cc * \brief Tests for the Gnss_Crypto class. * \author Carles Fernandez, 2023-2024. cfernandez(at)cttc.es * Cesare Ghionoiu Martinez, 2023-2024. c.ghionoiu-martinez@tu-braunschweig.de * * * ----------------------------------------------------------------------------- * * GNSS-SDR is a Global Navigation Satellite System software-defined receiver. * This file is part of GNSS-SDR. * * Copyright (C) 2010-2024 (see AUTHORS file for a list of contributors) * SPDX-License-Identifier: GPL-3.0-or-later * * ----------------------------------------------------------------------------- */ #include "gnss_crypto.h" #include "gnss_sdr_filesystem.h" #include "gnss_sdr_make_unique.h" #include #include #include class GnssCryptoTest : public ::testing::Test { }; TEST(GnssCryptoTest, VerifyPubKeyImport) { auto d_crypto = std::make_unique(); // PEM format std::vector publicKey = { 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x42, 0x45, 0x47, 0x49, 0x4E, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A, 0x4D, 0x46, 0x6B, 0x77, 0x45, 0x77, 0x59, 0x48, 0x4B, 0x6F, 0x5A, 0x49, 0x7A, 0x6A, 0x30, 0x43, 0x41, 0x51, 0x59, 0x49, 0x4B, 0x6F, 0x5A, 0x49, 0x7A, 0x6A, 0x30, 0x44, 0x41, 0x51, 0x63, 0x44, 0x51, 0x67, 0x41, 0x45, 0x53, 0x76, 0x50, 0x75, 0x4F, 0x70, 0x51, 0x6C, 0x4A, 0x54, 0x31, 0x56, 0x77, 0x6C, 0x72, 0x43, 0x4C, 0x63, 0x38, 0x55, 0x54, 0x54, 0x6B, 0x4E, 0x73, 0x66, 0x78, 0x2F, 0x0A, 0x4D, 0x56, 0x6F, 0x71, 0x47, 0x61, 0x35, 0x4F, 0x31, 0x73, 0x75, 0x6D, 0x57, 0x64, 0x61, 0x5A, 0x66, 0x4F, 0x69, 0x39, 0x48, 0x30, 0x4D, 0x30, 0x48, 0x46, 0x6E, 0x5A, 0x32, 0x63, 0x72, 0x44, 0x37, 0x6C, 0x6A, 0x6C, 0x36, 0x74, 0x4E, 0x56, 0x52, 0x4F, 0x71, 0x4A, 0x63, 0x57, 0x58, 0x51, 0x6B, 0x6E, 0x4B, 0x69, 0x79, 0x44, 0x79, 0x48, 0x58, 0x51, 0x3D, 0x3D, 0x0A, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x45, 0x4E, 0x44, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A}; d_crypto->set_public_key(publicKey); ASSERT_TRUE(d_crypto->have_public_key()); } TEST(GnssCryptoTest, VerifyPublicKeyStorage) { auto d_crypto = std::make_unique(); const std::string f1("./osnma_test_file1.pem"); const std::string f2("./osnma_test_file2.pem"); // PEM format std::vector publicKey = { 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x42, 0x45, 0x47, 0x49, 0x4E, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A, 0x4D, 0x46, 0x6B, 0x77, 0x45, 0x77, 0x59, 0x48, 0x4B, 0x6F, 0x5A, 0x49, 0x7A, 0x6A, 0x30, 0x43, 0x41, 0x51, 0x59, 0x49, 0x4B, 0x6F, 0x5A, 0x49, 0x7A, 0x6A, 0x30, 0x44, 0x41, 0x51, 0x63, 0x44, 0x51, 0x67, 0x41, 0x45, 0x53, 0x76, 0x50, 0x75, 0x4F, 0x70, 0x51, 0x6C, 0x4A, 0x54, 0x31, 0x56, 0x77, 0x6C, 0x72, 0x43, 0x4C, 0x63, 0x38, 0x55, 0x54, 0x54, 0x6B, 0x4E, 0x73, 0x66, 0x78, 0x2F, 0x0A, 0x4D, 0x56, 0x6F, 0x71, 0x47, 0x61, 0x35, 0x4F, 0x31, 0x73, 0x75, 0x6D, 0x57, 0x64, 0x61, 0x5A, 0x66, 0x4F, 0x69, 0x39, 0x48, 0x30, 0x4D, 0x30, 0x48, 0x46, 0x6E, 0x5A, 0x32, 0x63, 0x72, 0x44, 0x37, 0x6C, 0x6A, 0x6C, 0x36, 0x74, 0x4E, 0x56, 0x52, 0x4F, 0x71, 0x4A, 0x63, 0x57, 0x58, 0x51, 0x6B, 0x6E, 0x4B, 0x69, 0x79, 0x44, 0x79, 0x48, 0x58, 0x51, 0x3D, 0x3D, 0x0A, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x45, 0x4E, 0x44, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A}; d_crypto->set_public_key(publicKey); bool result = d_crypto->store_public_key(f1); ASSERT_TRUE(result); auto d_crypto2 = std::make_unique(f1, ""); bool result2 = d_crypto2->store_public_key(f2); ASSERT_TRUE(result2); std::ifstream t(f1); std::string content_file((std::istreambuf_iterator(t)), std::istreambuf_iterator()); std::ifstream t2(f2); std::string content_file2((std::istreambuf_iterator(t2)), std::istreambuf_iterator()); ASSERT_EQ(content_file, content_file2); std::vector readkey = d_crypto2->getPublicKey(); ASSERT_EQ(publicKey, readkey); errorlib::error_code ec; ASSERT_TRUE(fs::remove(fs::path(f1), ec)); ASSERT_TRUE(fs::remove(fs::path(f2), ec)); } TEST(GnssCryptoTest, TestComputeSHA_256) { auto d_crypto = std::make_unique(); std::vector message{ 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x0A}; // Hello world std::vector expected_output = { 0x18, 0x94, 0xA1, 0x9C, 0x85, 0xBA, 0x15, 0x3A, 0xCB, 0xF7, 0x43, 0xAC, 0x4E, 0x43, 0xFC, 0x00, 0x4C, 0x89, 0x16, 0x04, 0xB2, 0x6F, 0x8C, 0x69, 0xE1, 0xE8, 0x3E, 0xA2, 0xAF, 0xC7, 0xC4, 0x8F}; std::vector output = d_crypto->computeSHA256(message); ASSERT_EQ(expected_output, output); } TEST(GnssCryptoTest, TestComputeSHA3_256) { auto d_crypto = std::make_unique(); std::vector message{ 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x0A}; // Hello world std::vector expected_output = { 0xCC, 0xB8, 0xF9, 0x23, 0x5F, 0x4A, 0x93, 0x2C, 0xA0, 0xAB, 0xBB, 0x2C, 0x24, 0x36, 0x72, 0x5E, 0x2E, 0x8D, 0xC7, 0x5B, 0x99, 0xE7, 0xF6, 0xC4, 0x50, 0x5B, 0x2A, 0x93, 0x6E, 0xB6, 0x3B, 0x3F}; std::vector output = d_crypto->computeSHA3_256(message); ASSERT_EQ(expected_output, output); } // Unit test for computeHMAC_SHA_256 function. TEST(GnssCryptoTest, TestComputeHMACSHA256) { auto d_crypto = std::make_unique(); std::vector key = { 0x24, 0x24, 0x3B, 0x76, 0xF9, 0x14, 0xB1, 0xA7, 0x7D, 0x48, 0xE7, 0xF1, 0x48, 0x0C, 0xC2, 0x98, 0xEB, 0x62, 0x3E, 0x95, 0x6B, 0x2B, 0xCE, 0xA3, 0xB4, 0xD4, 0xDB, 0x31, 0xEE, 0x96, 0xAB, 0xFA}; std::vector message{ 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x77, 0x6F, 0x72, 0x6C, 0x64, 0x0A}; // Hello world std::vector expected_output = { 0xC3, 0x51, 0xF6, 0xFD, 0xDD, 0xC9, 0x8B, 0x41, 0xD6, 0xF4, 0x77, 0x6D, 0xAC, 0xE8, 0xE0, 0x14, 0xB2, 0x7A, 0xCC, 0x22, 0x00, 0xAA, 0xD2, 0x37, 0xD0, 0x79, 0x06, 0x12, 0x83, 0x40, 0xB7, 0xA6}; std::vector output = d_crypto->computeHMAC_SHA_256(key, message); ASSERT_EQ(expected_output, output); } TEST(GnssCryptoTest, TestComputeHMACSHA256_m0) { // key and message generated from RG A.6.5.1 auto d_crypto = std::make_unique(); // RG K4 @ 345690 std::vector key = { 0x69, 0xC0, 0x0A, 0xA7, 0x36, 0x42, 0x37, 0xA6, 0x5E, 0xBF, 0x00, 0x6A, 0xD8, 0xDD, 0xBC, 0x73}; // m0 std::vector message = { 0x02, 0x4E, 0x05, 0x46, 0x3C, 0x01, 0x83, 0xA5, 0x91, 0x05, 0x1D, 0x69, 0x25, 0x80, 0x07, 0x6B, 0x3E, 0xEA, 0x81, 0x41, 0xBF, 0x03, 0xAD, 0xCB, 0x5A, 0xAD, 0xB2, 0x77, 0xAF, 0x6F, 0xCF, 0x21, 0xFB, 0x98, 0xFF, 0x7E, 0x83, 0xAF, 0xFC, 0x37, 0x02, 0x03, 0xB0, 0xD8, 0xE1, 0x0E, 0xB1, 0x4D, 0x11, 0x18, 0xE6, 0xB0, 0xE8, 0x20, 0x01, 0xA0, 0x00, 0xE5, 0x91, 0x00, 0x06, 0xD3, 0x1F, 0x00, 0x02, 0x68, 0x05, 0x4A, 0x02, 0xC2, 0x26, 0x07, 0xF7, 0xFC, 0x00}; std::vector expected_output = { 0xE3, 0x7B, 0xC4, 0xF8, 0x58, 0xAE, 0x1E, 0x5C, 0xFD, 0xC4, 0x6F, 0x05, 0x4B, 0x1F, 0x47, 0xB9, 0xD2, 0xEA, 0x61, 0xE1, 0xEF, 0x09, 0x11, 0x5C, 0xFE, 0x70, 0x68, 0x52, 0xBF, 0xF2, 0x3A, 0x83}; std::vector output = d_crypto->computeHMAC_SHA_256(key, message); ASSERT_EQ(expected_output, output); } TEST(GnssCryptoTest, TestComputeHMACSHA256_adkd4) { // key and message generated from RG A.6.5.2 auto d_crypto = std::make_unique(); // RG K4 @ 345690 std::vector key = { 0x69, 0xC0, 0x0A, 0xA7, 0x36, 0x42, 0x37, 0xA6, 0x5E, 0xBF, 0x00, 0x6A, 0xD8, 0xDD, 0xBC, 0x73}; std::vector message = { 0x02, 0x02, 0x4E, 0x05, 0x46, 0x3C, 0x03, 0xBF, 0xFF, 0xFF, 0xFF, 0xC0, 0x00, 0x00, 0x44, 0x92, 0x38, 0x22, 0x78, 0x97, 0xFD, 0xEF, 0xF9, 0x30, 0x40}; std::vector expected_output = { 0x7B, 0xB2, 0x38, 0xC8, 0x83, 0xC0, 0x6A, 0x2B, 0x50, 0x8F, 0xE6, 0x3F, 0xB7, 0xF4, 0xF5, 0x4D, 0x44, 0xAB, 0xEE, 0x4D, 0xCE, 0xB9, 0x3D, 0xCF, 0x65, 0xCB, 0x3A, 0x5B, 0x81, 0x4A, 0x34, 0xE9}; std::vector output = d_crypto->computeHMAC_SHA_256(key, message); ASSERT_EQ(expected_output, output); } TEST(GnssCryptoTest, TestComputeCMAC_AES) { // Tests vectors from https://datatracker.ietf.org/doc/html/rfc4493#appendix-A auto d_crypto = std::make_unique(); std::vector key = { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C}; std::vector message{ 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96, 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A}; std::vector expected_output = { 0x07, 0x0A, 0x16, 0xB4, 0x6B, 0x4D, 0x41, 0x44, 0xF7, 0x9B, 0xDD, 0x9D, 0xD0, 0x4A, 0x28, 0x7C}; std::vector output = d_crypto->computeCMAC_AES(key, message); ASSERT_EQ(expected_output, output); } TEST(GnssCryptoTest, VerifySignature) { auto d_crypto = std::make_unique(); // RG example - import crt certificate std::vector message = { 0x82, 0x10, 0x49, 0x22, 0x04, 0xE0, 0x60, 0x61, 0x0B, 0xDF, 0x26, 0xD7, 0x7B, 0x5B, 0xF8, 0xC9, 0xCB, 0xFC, 0xF7, 0x04, 0x22, 0x08, 0x14, 0x75, 0xFD, 0x44, 0x5D, 0xF0, 0xFF}; // ECDSA P-256 signature, raw format std::vector signature = { 0xF8, 0xCD, 0x88, 0x29, 0x9F, 0xA4, 0x60, 0x58, 0x00, 0x20, 0x7B, 0xFE, 0xBE, 0xAC, 0x55, 0x02, 0x40, 0x53, 0xF3, 0x0F, 0x7C, 0x69, 0xB3, 0x5C, 0x15, 0xE6, 0x08, 0x00, 0xAC, 0x3B, 0x6F, 0xE3, 0xED, 0x06, 0x39, 0x95, 0x2F, 0x7B, 0x02, 0x8D, 0x86, 0x86, 0x74, 0x45, 0x96, 0x1F, 0xFE, 0x94, 0xFB, 0x22, 0x6B, 0xFF, 0x70, 0x06, 0xE0, 0xC4, 0x51, 0xEE, 0x3F, 0x87, 0x28, 0xC1, 0x77, 0xFB}; // PEM format std::vector publicKey = { 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x42, 0x45, 0x47, 0x49, 0x4E, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A, 0x4D, 0x46, 0x6B, 0x77, 0x45, 0x77, 0x59, 0x48, 0x4B, 0x6F, 0x5A, 0x49, 0x7A, 0x6A, 0x30, 0x43, 0x41, 0x51, 0x59, 0x49, 0x4B, 0x6F, 0x5A, 0x49, 0x7A, 0x6A, 0x30, 0x44, 0x41, 0x51, 0x63, 0x44, 0x51, 0x67, 0x41, 0x45, 0x41, 0x37, 0x4C, 0x4F, 0x5A, 0x4C, 0x77, 0x67, 0x65, 0x39, 0x32, 0x4C, 0x78, 0x4E, 0x2B, 0x46, 0x6B, 0x59, 0x66, 0x38, 0x74, 0x6F, 0x59, 0x79, 0x44, 0x57, 0x50, 0x2F, 0x0A, 0x6F, 0x4A, 0x46, 0x42, 0x44, 0x38, 0x46, 0x59, 0x2B, 0x37, 0x64, 0x35, 0x67, 0x4F, 0x71, 0x49, 0x61, 0x45, 0x32, 0x52, 0x6A, 0x50, 0x41, 0x6E, 0x4B, 0x49, 0x36, 0x38, 0x73, 0x2F, 0x4F, 0x4B, 0x2F, 0x48, 0x50, 0x67, 0x6F, 0x4C, 0x6B, 0x4F, 0x32, 0x69, 0x6A, 0x51, 0x38, 0x78, 0x41, 0x5A, 0x79, 0x44, 0x64, 0x50, 0x42, 0x31, 0x64, 0x48, 0x53, 0x51, 0x3D, 0x3D, 0x0A, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x45, 0x4E, 0x44, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A}; d_crypto->set_public_key(publicKey); bool result = d_crypto->verify_signature(message, signature); ASSERT_TRUE(result); std::vector wrong_signature = signature; wrong_signature[1] = 1; bool result2 = d_crypto->verify_signature(message, wrong_signature); ASSERT_TRUE(!result2); } TEST(GnssCryptoTest, VerifySignatureP521) { std::unique_ptr d_crypto = std::make_unique(); // Message to be verified std::vector message = { 0x48, 0x65, 0x6C, 0x6C, 0x6F, 0x20, 0x57, 0x6F, 0x72, 0x6C, 0x64 // "Hello World" }; // Public key in PEM format std::vector publicKey = { 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x42, 0x45, 0x47, 0x49, 0x4E, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A, 0x4D, 0x49, 0x47, 0x62, 0x4D, 0x42, 0x41, 0x47, 0x42, 0x79, 0x71, 0x47, 0x53, 0x4D, 0x34, 0x39, 0x41, 0x67, 0x45, 0x47, 0x42, 0x53, 0x75, 0x42, 0x42, 0x41, 0x41, 0x6A, 0x41, 0x34, 0x47, 0x47, 0x41, 0x41, 0x51, 0x41, 0x6F, 0x35, 0x76, 0x77, 0x66, 0x6E, 0x47, 0x57, 0x47, 0x33, 0x44, 0x63, 0x59, 0x75, 0x2B, 0x2F, 0x61, 0x58, 0x47, 0x32, 0x7A, 0x74, 0x65, 0x41, 0x46, 0x50, 0x54, 0x33, 0x0A, 0x48, 0x36, 0x4C, 0x76, 0x4F, 0x4C, 0x76, 0x49, 0x51, 0x6A, 0x61, 0x2B, 0x6A, 0x74, 0x57, 0x73, 0x70, 0x4F, 0x38, 0x37, 0x6F, 0x50, 0x32, 0x4E, 0x6D, 0x72, 0x34, 0x6E, 0x50, 0x68, 0x76, 0x62, 0x53, 0x58, 0x52, 0x4D, 0x37, 0x6A, 0x49, 0x69, 0x46, 0x38, 0x47, 0x70, 0x6B, 0x75, 0x58, 0x6A, 0x75, 0x4E, 0x7A, 0x34, 0x72, 0x61, 0x56, 0x4F, 0x65, 0x49, 0x4D, 0x42, 0x77, 0x45, 0x2B, 0x61, 0x0A, 0x30, 0x4C, 0x76, 0x7A, 0x37, 0x69, 0x54, 0x4D, 0x5A, 0x46, 0x41, 0x41, 0x51, 0x64, 0x2B, 0x70, 0x47, 0x72, 0x56, 0x54, 0x47, 0x77, 0x66, 0x53, 0x48, 0x49, 0x72, 0x49, 0x49, 0x45, 0x78, 0x74, 0x5A, 0x35, 0x77, 0x30, 0x38, 0x51, 0x4F, 0x43, 0x58, 0x2F, 0x75, 0x46, 0x65, 0x2B, 0x30, 0x78, 0x52, 0x78, 0x4C, 0x64, 0x2F, 0x33, 0x36, 0x42, 0x4E, 0x74, 0x63, 0x74, 0x69, 0x2F, 0x45, 0x4C, 0x0A, 0x4B, 0x31, 0x35, 0x67, 0x2B, 0x4B, 0x32, 0x71, 0x67, 0x2F, 0x6C, 0x39, 0x46, 0x42, 0x47, 0x67, 0x4D, 0x2B, 0x51, 0x3D, 0x0A, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x45, 0x4E, 0x44, 0x20, 0x50, 0x55, 0x42, 0x4C, 0x49, 0x43, 0x20, 0x4B, 0x45, 0x59, 0x2D, 0x2D, 0x2D, 0x2D, 0x2D, 0x0A}; // ECDSA P-521 signature, raw format std::vector signature = { 0x01, 0x7B, 0x59, 0xAC, 0x3A, 0x03, 0x5C, 0xB4, 0x07, 0xCD, 0xC1, 0xEB, 0xBE, 0xE5, 0xA6, 0xCB, 0xDA, 0x0A, 0xFF, 0x4D, 0x38, 0x61, 0x16, 0x0F, 0xB3, 0x77, 0xE5, 0x8A, 0xDC, 0xF3, 0xFD, 0x79, 0x38, 0x1E, 0xE8, 0x08, 0x3D, 0x5D, 0xBC, 0xC2, 0x80, 0x6E, 0xE9, 0x2B, 0xC3, 0xEF, 0x07, 0x3D, 0x0C, 0x82, 0x4C, 0x9B, 0x7A, 0x5C, 0x2E, 0xD5, 0x46, 0xBD, 0x22, 0x21, 0x13, 0x8A, 0xB2, 0xCA, 0x96, 0x3D, 0x01, 0xBA, 0x2A, 0xC4, 0x3F, 0xDB, 0x66, 0x3C, 0x40, 0x26, 0xD9, 0xBC, 0x26, 0xD5, 0x57, 0xD4, 0xBD, 0x15, 0x16, 0x88, 0x21, 0x3B, 0xAA, 0x07, 0x89, 0xEF, 0x29, 0x8F, 0x2F, 0x85, 0x76, 0x58, 0x9D, 0xCA, 0x00, 0xCC, 0xC8, 0x30, 0x88, 0x31, 0x99, 0xC1, 0x94, 0xB9, 0xAF, 0x91, 0xDC, 0xC4, 0x6F, 0x19, 0x2B, 0x12, 0xA2, 0x82, 0xA5, 0x66, 0x5E, 0x4B, 0xBB, 0xDF, 0x65, 0x81, 0x52, 0x14, 0x01, 0xD7}; d_crypto->set_public_key(publicKey); bool result = d_crypto->verify_signature_ecdsa_p521(message, signature); ASSERT_TRUE(result); std::vector wrong_signature = signature; wrong_signature[1] = 1; bool result2 = d_crypto->verify_signature_ecdsa_p521(message, wrong_signature); ASSERT_TRUE(!result2); }