int local_attestation_initiator(int port);
int decrypt_client_data_through_decryptor( std::vector<std::string> &binary_ciphertext_client_data,
                                           std::vector<std::string> &plaintext_client_data);
int exchange_ciphertext_fields_with_decryptor(unsigned char* input, uint32_t input_size,
                                              unsigned char* output, uint32_t* output_size);
uint32_t post_local_attestation_get_mitigator_header(unsigned char* base64_encoded_token_H, uint32_t* base64_encoded_token_H_length);
uint32_t base64_decoding_on_all_client_data(unsigned char* ip_base64_client_public_key_ciphertext, 
  uint32_t ip_base64_client_public_key_ciphertext_length,
  unsigned char* op_client_public_key_ciphertext,
  uint32_t* op_client_public_key_ciphertext_length
);