aes_crypto_service.hpp

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#pragma once
 
#include <logicalaccess/lla_core_api.hpp>
#include <logicalaccess/lla_fwd.hpp>
 
namespace logicalaccess
{
class LLA_CORE_API AESCryptoService
{
  public:
    ByteVector aes_encrypt(const ByteVector &data, const ByteVector &iv,
                           std::shared_ptr<Key> key);
 
    ByteVector aes_decrypt(const ByteVector &data, const ByteVector &iv,
                           std::shared_ptr<Key> key);
 
  private:
    // Adjust IV. If `iv` is empty vector, return an full zero iv.
    ByteVector adjust_iv(const ByteVector &iv);
 
    ByteVector perform_operation(const ByteVector &data, const ByteVector &iv,
                                 std::shared_ptr<Key> key, bool encrypt);
 
    ByteVector in_memory(const ByteVector &data, const ByteVector &iv,
                         std::shared_ptr<Key> key, bool encrypt);
 
    ByteVector with_pkcs(const ByteVector &data, const ByteVector &iv,
                         std::shared_ptr<Key> key, bool encrypt);
};
 
class LLA_CORE_API IAESCryptoService
{
  public:
    virtual ByteVector aes_encrypt(const ByteVector &data, const ByteVector &iv,
                                   std::shared_ptr<Key> key) = 0;
 
    virtual ByteVector aes_decrypt(const ByteVector &data, const ByteVector &iv,
                                   std::shared_ptr<Key> key) = 0;
};
}