Files
Ashin Walpola d107534eb2 Keep vanetza-idf in obu-firmware, so a plain clone builds the firmware
obu-firmware builds against the vanetza-idf C-ITS library, which until now
came from the colleague's microbu-esp32c5 tree beside the repository and was
not tracked here, so a clone of this repository could not build the firmware
it ships. The library alone is now part of obu-firmware, as
obu-firmware/external/vanetza-idf: their external/vanetza-idf at commit
cf4b99f, unchanged (9775 files; see its PROVENANCE.md). CMake takes it from
there by default; -DVANETZA_IDF_DIR still points the build elsewhere.

The rest of the colleague's tree (their own VAM firmware, PKI tooling,
station-link Python tools, the V2X2MAP bridge) stays out of this repository
and gitignored; nothing is pushed to their repository. NOTES.md, docs/06,
TODO.md and the pcap verifier's usage line point at the new location.
2026-09-24 10:56:05 +02:00

71 lines
2.4 KiB
C++

#include <gtest/gtest.h>
#include <vanetza/security/backend.hpp>
#include <vanetza/security/ecc_point.hpp>
#include <memory>
using namespace vanetza::security;
using namespace vanetza;
class EccPointDecompressionTest: public ::testing::TestWithParam<const char*>
{
protected:
std::unique_ptr<Backend> backend;
void SetUp() override
{
backend = create_backend(GetParam());
ASSERT_TRUE(backend);
}
};
TEST_P(EccPointDecompressionTest, LSB_Y_0)
{
const ByteBuffer x = {
0x21, 0x31, 0xB5, 0x19, 0x4C, 0xE6, 0xEE, 0x9F,
0x47, 0xB6, 0xB4, 0x5F, 0xF8, 0x46, 0xC1, 0x79,
0x65, 0x1A, 0x4A, 0x15, 0x63, 0x5A, 0x09, 0x87,
0xCC, 0xC3, 0x8F, 0x3E, 0x34, 0x4D, 0xCD, 0x77 };
const ByteBuffer y_expected = {
0xD0, 0x12, 0x39, 0xBF, 0x92, 0x7F, 0x16, 0xA3,
0xAD, 0xDB, 0x58, 0x2F, 0x94, 0x9B, 0xA7, 0x25,
0x8F, 0xAC, 0x53, 0xFE, 0xD2, 0xE7, 0x26, 0xDB,
0x9C, 0x62, 0xC3, 0x2C, 0xAC, 0x8D, 0xBA, 0x5A };
const EccPoint point = Compressed_Lsb_Y_0 { x };
auto decompressed = backend->decompress_point(point);
ASSERT_TRUE(decompressed);
EXPECT_EQ(x, decompressed->x);
EXPECT_EQ(y_expected, decompressed->y);
}
TEST_P(EccPointDecompressionTest, LSB_Y_1)
{
const ByteBuffer x = {
0x7F, 0x92, 0xF5, 0xBA, 0x25, 0xE0, 0x2C, 0x7F,
0x7C, 0xF9, 0x82, 0x2D, 0x74, 0x6F, 0x28, 0x05,
0x65, 0xD6, 0xA1, 0x4A, 0x64, 0x38, 0x40, 0x61,
0x2E, 0x08, 0x63, 0x4D, 0x6E, 0x85, 0x7F, 0x13 };
const ByteBuffer y_expected = {
0x32, 0xD9, 0x85, 0xB6, 0x1D, 0x0E, 0x70, 0x51,
0x51, 0x03, 0x88, 0xF9, 0x08, 0x2E, 0x24, 0x05,
0x0B, 0x1A, 0xFE, 0xB6, 0x56, 0x49, 0x2D, 0x17,
0x29, 0xB2, 0x8F, 0x9B, 0x58, 0xCE, 0xCB, 0xAF };
const EccPoint point = Compressed_Lsb_Y_1 { x };
auto decompressed = backend->decompress_point(point);
ASSERT_TRUE(decompressed);
EXPECT_EQ(x, decompressed->x);
EXPECT_EQ(y_expected, decompressed->y);
}
#if defined VANETZA_WITH_OPENSSL && defined VANETZA_WITH_CRYPTOPP
static auto backends = ::testing::Values("OpenSSL", "CryptoPP");
#elif defined VANETZA_WITH_OPENSSL
static auto backends = ::testing::Values("OpenSSL");
#elif defined VANETZA_WITH_CRYPTOPP
static auto backends = ::testing::Values("CryptoPP");
#endif
INSTANTIATE_TEST_SUITE_P(EccPointDecompression, EccPointDecompressionTest, backends);