char *encipher(const char *plaintext){
char *ciphertext = malloc(strlen(plaintext) + 1);
if(ciphertext == NULL)
return NULL;
// Apply cipher
unsigned i;
for(i = 0; i < strlen(plaintext); i++){
// Only substitute alphabetic chars
if(isalpha(plaintext[i])){
// Work out the correct character from the cipher to use
ciphertext[i] = lookupChar(plaintext[i]);
} else {
ciphertext[i] = plaintext[i];
}
}
ciphertext[i] = '\0';
return ciphertext;
}
void Display::showText(const char* text) {
showRaw(lookupChar(text[0]), lookupChar(text[1]));
}
