MifarePlusSL3Auth.hpp

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#pragma once
 
#include <logicalaccess/cards/aes128key.hpp>
#include <logicalaccess/plugins/cards/mifare/mifareaccessinfo.hpp>
#include <logicalaccess/plugins/cards/mifareplus/lla_cards_mifareplus_api.hpp>
 
namespace logicalaccess
{
 
class LLA_CARDS_MIFAREPLUS_API MifarePlusSL3Auth
{
  public:
    explicit MifarePlusSL3Auth(std::shared_ptr<ReaderCardAdapter> rca);
 
    bool firstAuthenticate(int sector, std::shared_ptr<AES128Key> key,
                           MifareKeyType type);
 
    ByteVector deriveKEnc();
 
    ByteVector deriveKMac();
 
    ByteVector computeWriteMac(uint8_t command_code, uint16_t block_number,
                               const ByteVector &data);
 
    ByteVector cipherWriteData(const ByteVector &in);
 
  private:
    bool aes_first_auth_step2();
 
    bool aes_first_auth_final(const ByteVector &encrypted_data);
 
    std::shared_ptr<ReaderCardAdapter> rca_;
 
    // The AES key used for authentication
    ByteVector aes_key_;
 
    // Random generated by us.
    ByteVector rnd_a_;
 
    // Random generated by reader.
    ByteVector rnd_b_;
 
  public:
    ByteVector trans_id_;
 
    uint16_t write_counter_;
    uint16_t read_counter_;
};
}