Ashin Walpola
d107534eb2
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.
103 lines
3.9 KiB
C++
103 lines
3.9 KiB
C++
#include <gtest/gtest.h>
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#include <vanetza/asn1/asn1c_wrapper.hpp>
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#include <vanetza/asn1/security_profile.hpp>
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#include VANETZA_ASN1_SECURITY_HEADER(Time64.h)
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#include VANETZA_ASN1_SECURITY_HEADER(Uint64.h)
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#include <algorithm>
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#include <array>
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#include <cstdint>
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#include <limits>
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#ifdef VANETZA_WITH_PQC
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#include VANETZA_ASN1_SECURITY_HEADER(PublicVerificationKey.h)
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#include VANETZA_ASN1_SECURITY_HEADER(Signature.h)
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#include VANETZA_ASN1_SECURITY_HEADER(ToBeSignedCertificate.h)
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#endif
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using namespace vanetza::asn1;
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TEST(SecurityAsn1, Time64)
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{
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asn1c_wrapper<Vanetza_Security_Time64_t> time { asn_DEF_Vanetza_Security_Time64 };
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EXPECT_EQ(0, asn_umax2INTEGER(&*time, std::numeric_limits<std::uint64_t>::max()));
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std::uint64_t tmp = 0;
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asn_INTEGER2umax(&*time, &tmp);
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EXPECT_EQ(tmp, std::numeric_limits<std::uint64_t>::max());
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time.encode();
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EXPECT_EQ(8, time.size());
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}
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TEST(SecuriyAsn1, Uint64)
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{
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asn1c_wrapper<Vanetza_Security_Uint64_t> uint { asn_DEF_Vanetza_Security_Uint64 };
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EXPECT_EQ(0, asn_umax2INTEGER(&*uint, std::numeric_limits<std::uint64_t>::max()));
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std::uint64_t tmp = 0;
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asn_INTEGER2umax(&*uint, &tmp);
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EXPECT_EQ(tmp, std::numeric_limits<std::uint64_t>::max());
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uint.encode();
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EXPECT_EQ(8, uint.size());
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}
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TEST(SecurityAsn1, Uint64_roundtrip_max_value)
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{
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asn1c_wrapper<Vanetza_Security_Uint64_t> tx { asn_DEF_Vanetza_Security_Uint64 };
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EXPECT_EQ(0, asn_umax2INTEGER(&*tx, std::numeric_limits<std::uint64_t>::max()));
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const vanetza::ByteBuffer buffer = tx.encode();
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EXPECT_EQ(8, buffer.size());
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EXPECT_TRUE(std::all_of(buffer.begin(), buffer.end(),
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[](std::uint8_t c) { return c == 0xff; }));
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asn1c_wrapper<Vanetza_Security_Uint64_t> rx { asn_DEF_Vanetza_Security_Uint64 };
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EXPECT_TRUE(rx.decode(buffer));
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std::uint64_t value = 0;
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EXPECT_EQ(0, asn_INTEGER2umax(&*rx, &value));
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EXPECT_EQ(value, std::numeric_limits<std::uint64_t>::max());
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}
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#ifdef VANETZA_WITH_PQC
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TEST(SecurityAsn1, HybridPqcExtensions)
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{
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std::array<char, 897> public_key_bytes {{}};
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asn1c_oer_wrapper<Vanetza_Security_PublicVerificationKey_t> public_key {
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asn_DEF_Vanetza_Security_PublicVerificationKey
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};
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public_key->present = Vanetza_Security_PublicVerificationKey_PR_fnDsa512;
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ASSERT_EQ(0, OCTET_STRING_fromBuf(
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&public_key->choice.fnDsa512, public_key_bytes.data(), public_key_bytes.size()));
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ASSERT_TRUE(public_key.validate());
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const auto encoded_public_key = public_key.encode();
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asn1c_oer_wrapper<Vanetza_Security_PublicVerificationKey_t> decoded_public_key {
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asn_DEF_Vanetza_Security_PublicVerificationKey
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};
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ASSERT_TRUE(decoded_public_key.decode(encoded_public_key));
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EXPECT_EQ(Vanetza_Security_PublicVerificationKey_PR_fnDsa512, decoded_public_key->present);
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EXPECT_EQ(public_key_bytes.size(), decoded_public_key->choice.fnDsa512.size);
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std::array<char, 666> signature_bytes {{}};
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asn1c_oer_wrapper<Vanetza_Security_Signature_t> signature {
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asn_DEF_Vanetza_Security_Signature
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};
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signature->present = Vanetza_Security_Signature_PR_fnDsa512Signature;
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ASSERT_EQ(0, OCTET_STRING_fromBuf(
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&signature->choice.fnDsa512Signature, signature_bytes.data(), signature_bytes.size()));
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ASSERT_TRUE(signature.validate());
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const auto encoded_signature = signature.encode();
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asn1c_oer_wrapper<Vanetza_Security_Signature_t> decoded_signature {
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asn_DEF_Vanetza_Security_Signature
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};
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ASSERT_TRUE(decoded_signature.decode(encoded_signature));
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EXPECT_EQ(Vanetza_Security_Signature_PR_fnDsa512Signature, decoded_signature->present);
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EXPECT_EQ(signature_bytes.size(), decoded_signature->choice.fnDsa512Signature.size);
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Vanetza_Security_ToBeSignedCertificate_t certificate {{}};
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EXPECT_EQ(nullptr, certificate.altVerificationKey);
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EXPECT_EQ(nullptr, certificate.altSignatureValue);
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}
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#endif
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