#define XOR_KEY 98

typedef struct {
  unsigned char a;
  unsigned char b;
  unsigned char c;
  unsigned char d;
} ipaddr_t;

typedef union SourceIp {
  struct {
    char mode; // set to 0
    ipaddr_t source_ip;
  } use_host_networking;
  struct {
    char mode; // set to 1
    unsigned short netmask;
    ipaddr_t source_ip;
    ipaddr_t gateway;
  } custom_networking;
} SourceIp_t;

typedef struct Parameters {
  ipaddr_t destination_ip;
  SourceIp_t source_ip;
  unsigned short destination_port;
  unsigned short pubkey_cert_size;
  unsigned short privkey_size;
  unsigned short privkey_cert_size;
  unsigned short beacon_name_length;
  char pubkey_cert[1024];
  char beacon_identifier[64];
  char beacon_name[128];
} Parameters_t;