//extern int dencrypt(char *password, char *ciphertext, char *plaintext);
//extern int encrypt(char *password, char *plaintext, char *ciphertext);
int main()
{
char password[20]={"user password"};
char plaintext[100]={"www.cms.hit.edu.cn"};
char ciphertext[100]={""};
encrypt(password,plaintext,ciphertext);
printf("%s\n",ciphertext);
dencrypt(password,ciphertext,plaintext);
printf("%s\n",plaintext);
return 0;
}
int main(int argc, char **argv)
{
char ch[80];
*argv++;
if (argc != 3) {
printf("Paramer is right!\n");
exit(0);
} else if (strcmp(*argv, "e") == 0) {
encrypt(*argv, ch);
printf("%s\n", ch);
}
else if (strcmp(*argv, "d") == 0) {
dencrypt(*argv, ch);
printf("%s\n", ch);
} else {
printf("The paramer is not right!\n");
exit(0);
}
return 0;
}
