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.
67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
#pragma once
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#include "keys.hpp"
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#include "psid_ssp.hpp"
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#include <vanetza/common/byte_buffer.hpp>
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#include <vanetza/common/clock.hpp>
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#include <vanetza/security/hash_algorithm.hpp>
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#include <boost/optional/optional.hpp>
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#include <chrono>
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#include <list>
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namespace vanetza
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{
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namespace pki
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{
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class Certificate;
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class EncryptedData;
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class SecurityModule;
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using security::HashAlgorithm;
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/**
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* \brief Hint for sharedAtRequest.requestedSubjectAttributes.validityPeriod.
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* \see IEEE 1609.2 Time32 / Duration::hours
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*/
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struct ValidityPeriodHint
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{
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Clock::time_point start;
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std::chrono::hours duration;
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};
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/**
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* \brief Parameters for an AuthorizationRequest (encryptedEcSignature variant).
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* \see TS 102 941 §6.2.3.3.1
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*/
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struct AuthorizationRequestParameters
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{
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const Certificate* ec = nullptr; // current EC, signs the inner EC proof; mandatory
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const Certificate* ea_certificate = nullptr; // recipient of encryptedEcSignature; mandatory
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const Certificate* aa_certificate = nullptr; // recipient of outer encryption; mandatory
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PublicKey verification_key; // fresh key to be certified; private key in SecurityModule; mandatory
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boost::optional<PublicKey> at_encryption_key; // optional encryption key embedded in the AT
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std::list<PsidSsp> permissions; // requested PSID/SSP set; must be non-empty
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HashAlgorithm hash_algo = HashAlgorithm::SHA256; // EC proof and extDataHash; SHA-256 only
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boost::optional<ValidityPeriodHint> validity_period; // optional; AA decides within CP §7.2.1 bounds
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bool include_pop = true; // send AuthorizationRequestMessageWithPop; required by deployed AAs
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};
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/**
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* \brief Build the inner EtsiTs102941Data{authorizationRequest} plaintext.
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*
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* Exposed for testing; production code should call build_authorization_request().
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*/
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ByteBuffer build_signed_authorization_request(SecurityModule& security,
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const AuthorizationRequestParameters& parameters);
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/**
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* \brief Build the AA-encrypted authorization request.
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*
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* Call .encode() on the result for the OER bytes to POST as `application/x-its-request`.
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*/
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EncryptedData build_authorization_request(SecurityModule& security, const AuthorizationRequestParameters& parameters);
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} // namespace pki
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} // namespace vanetza
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