56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
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#ifndef CF4C0740_EE9F_493A_A3F5_95DA691E8989
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#define CF4C0740_EE9F_493A_A3F5_95DA691E8989
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#include <vanetza/common/byte_buffer.hpp>
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#include <vanetza/security/ecc_point.hpp>
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#include <vanetza/security/key_type.hpp>
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#include <cstddef>
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#include <future>
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namespace vanetza
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{
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namespace security
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{
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/// EcdsaSignature specified in TS 103 097 v1.2.1, section 4.2.9
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struct EcdsaSignature
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{
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EccPoint R;
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ByteBuffer s;
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};
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class EcdsaSignatureFuture
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{
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public:
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EcdsaSignatureFuture(std::shared_future<EcdsaSignature>, EcdsaSignature placholder);
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const EcdsaSignature& get() const;
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std::size_t size() const;
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private:
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mutable std::shared_future<EcdsaSignature> m_future;
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EcdsaSignature m_placeholder;
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};
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using SomeEcdsaSignature = boost::variant<EcdsaSignature, EcdsaSignatureFuture>;
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struct Signature
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{
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ByteBuffer r;
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ByteBuffer s;
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KeyType type;
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};
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/**
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* \brief Extracts binary signature
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* \param signature source for binary signature
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* \return signature as binary
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*/
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ByteBuffer extract_signature_buffer(const SomeEcdsaSignature& sig);
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ByteBuffer extract_signature_buffer(const Signature& sig);
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} // namespace security
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} // namespace vanetza
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#endif /* CF4C0740_EE9F_493A_A3F5_95DA691E8989 */
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