77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
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#ifndef RECIPIENT_INFO_HPP_IENLXEUN
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#define RECIPIENT_INFO_HPP_IENLXEUN
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#include <vanetza/security/v2/basic_elements.hpp>
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#include <vanetza/security/v2/public_key.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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/// EciesEncryptedKey specified in TS 103 097 v1.2.1, section 5.9
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struct EciesEncryptedKey
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{
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EccPoint v;
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ByteBuffer c;
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std::array<uint8_t, 16> t;
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};
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/// OpaqueKey specified in TS 103 097 v1.2.1, section 5.8
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struct OpaqueKey
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{
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ByteBuffer data;
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};
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/// Key specified in TS 103 097 v1.2.1, section 5.8 (in RecipientInfo)
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typedef boost::variant<EciesEncryptedKey, OpaqueKey> Key;
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/// RecipientInfo specified in TS 103 097 v1.2.1, section 5.8
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struct RecipientInfo
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{
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HashedId8 cert_id;
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Key enc_key;
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PublicKeyAlgorithm pk_encryption() const;
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};
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/**
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* \brief Determines applicable PublicKeyAlgorithm
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* \param key Algorithm has to fit this kind of key
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* \return PublicKeyAlgorithm
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*/
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PublicKeyAlgorithm get_type(const Key&);
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/**
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* Calculates size of a RecipientInfo
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* \param info
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* \return number of octets needed to serialize the RecipientInfo
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*/
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size_t get_size(const RecipientInfo&);
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/**
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* \brief Serializes a RecipientInfo into a binary archive
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* \param ar Destination of serialized object
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* \param info RecipientInfo to serialize
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* \param sym Applicable symmetric algorithm
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*/
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void serialize(OutputArchive&, const RecipientInfo&, SymmetricAlgorithm);
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/**
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* \brief Deserialize a RecipientInfo
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* \param ar Input starting with serialized RecipientInfo
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* \param info Deserialized RecipientInfo
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* \param sym Symmetric algorithm required to deserialize encrypted key
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* \return size of the deserialized RecipientInfo in bytes
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*/
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size_t deserialize(InputArchive&, RecipientInfo&, const SymmetricAlgorithm&);
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} // namespace v2
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} // namespace security
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} // namespace vanetza
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#endif /* RECIPIENT_INFO_HPP_IENLXEUN */
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