91 lines
2.2 KiB
C++
91 lines
2.2 KiB
C++
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#ifndef PUBLIC_KEY_HPP_DRZFSERF
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#define PUBLIC_KEY_HPP_DRZFSERF
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#include <vanetza/security/v2/ecc_point.hpp>
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#include <boost/variant/variant.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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namespace v2
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{
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/// SymmetricAlgorithm specified in TS 103 097 v1.2.1, section 4.2.3
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enum class SymmetricAlgorithm : uint8_t
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{
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AES128_CCM = 0
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};
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/// PublicKeyAlgorithm specified in TS 103 097 v1.2.1, section 4.2.2
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enum class PublicKeyAlgorithm : uint8_t
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{
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ECDSA_NISTP256_With_SHA256 = 0,
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ECIES_NISTP256 = 1
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};
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/// ecdsa_nistp256_with_sha256 specified in TS 103 097 v1.2.1, section 4.2.4
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struct ecdsa_nistp256_with_sha256
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{
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EccPoint public_key;
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};
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/// ecies_nistp256 specified in TS 103 097 v1.2.1, section 4.2.4
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struct ecies_nistp256
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{
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SymmetricAlgorithm supported_symm_alg;
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EccPoint public_key;
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};
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/// Profile specified in TS 103 097 v1.2.1, section 4.2.4
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using PublicKey = boost::variant<ecdsa_nistp256_with_sha256, ecies_nistp256>;
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/**
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* \brief Determines PublicKeyAlgorithm to a given PublicKey
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* \param public_key
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* \return algorithm type
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*/
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PublicKeyAlgorithm get_type(const PublicKey&);
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/**
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* \brief Calculates size of a PublicKey
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* \param public_key
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* \return number of octets needed to serialize the PublicKey
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*/
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size_t get_size(const PublicKey&);
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/**
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* \brief Deserializes a PublicKey from a binary archive
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* \param ar with a serialized PublicKey at the beginning
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* \param public_key to save deserialized values in
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* \return size of the deserialized publicKey
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*/
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size_t deserialize(InputArchive&, PublicKey&);
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/**
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* \brief Serializes a PublicKey into a binary archive
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* \param ar to serialize in
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* \param public_key to serialize
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*/
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void serialize(OutputArchive&, const PublicKey&);
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/**
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* \brief Determines field size related to algorithm
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* \param public_key_algorithm
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* \return required buffer size for related fields
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* */
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std::size_t field_size(PublicKeyAlgorithm);
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/**
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* \brief Determines field size related to algorithm
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* \param symmetric_algorithm
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* \return required buffer size for related fields
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*/
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std::size_t field_size(SymmetricAlgorithm);
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} // namespace v2
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} // namespace security
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} // namespace vanetza
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#endif /* PUBLIC_KEY_HPP_DRZFSERF */
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