52 lines
1.4 KiB
C++
52 lines
1.4 KiB
C++
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#ifndef BACKEND_NULL_HPP_3E6GMTPL
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#define BACKEND_NULL_HPP_3E6GMTPL
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#include <vanetza/security/backend.hpp>
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namespace vanetza
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{
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namespace security
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{
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/**
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* \brief A backend doing nothing
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*
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* This backend is INSECURE quite obviously!
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* It will return a faked signature and silently accept all data at verification.
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*/
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class BackendNull : public Backend
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{
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public:
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static constexpr auto backend_name = "Null";
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/// \see Backend::sign_data
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EcdsaSignature sign_data(const ecdsa256::PrivateKey& private_key, const ByteBuffer& data_buffer) override;
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/// \see Backend::sign_digest
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Signature sign_digest(const PrivateKey&, const ByteBuffer&) override;
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/// \see Backend::verify_data
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bool verify_data(const ecdsa256::PublicKey& public_key, const ByteBuffer& data, const EcdsaSignature& sig) override;
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/// \see Backend::verify_digest
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bool verify_digest(const PublicKey&, const ByteBuffer& digest, const Signature&) override;
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/// \see Backend::decompress_point
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boost::optional<Uncompressed> decompress_point(const EccPoint& ecc_point) override;
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/// \see Backend::calculate_hash
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ByteBuffer calculate_hash(HashAlgorithm, const ByteBuffer&) override;
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/// \see Backend::generate_key_pair
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ecdsa256::KeyPair generate_key_pair() override;
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private:
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EcdsaSignature fake_signature() const;
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};
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} // namespace security
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} // namespace vanetza
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#endif /* BACKEND_NULL_HPP_3E6GMTPL */
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