int sec_init(int socket, int verbose, int reliable, int secure)
{
	char data[15];
	char *response = calloc(MAX_DATA,sizeof(char));
	char *pKey = calloc(PUB_KEY_SIZE, sizeof(char));
	char encryptedSecKey[ENCRYPTED_KEY_SIZE];
	int pKeyLen = PUB_KEY_SIZE;
	int i;
	strcpy(data,"get public key");
    frag_init();

    if(!secure)
        return 1;
	srand( time(NULL) );

	for (i = 0; i < 20 ; i++)
		secret_key[i] = (char)rand() % 255 +1;

	if (!frag_send_data(socket, data, 15, verbose, reliable)) return 0;
	frag_receive_data(socket,&pKey, &pKeyLen,verbose, reliable);
	if (verbose) printf("Public Key:` %s\n", pKey);

	sec_pk_encrypt((char *)secret_key, encryptedSecKey, pKey);
	if (!frag_send_data(socket, encryptedSecKey, ENCRYPTED_KEY_SIZE, verbose, reliable)) return 0;
	frag_receive_data(socket,&response, &pKeyLen,verbose, reliable);
	if (!strcmp(response,"OK")) return 1;
    return 0;
}