/* password generator asks for password length. enter a number and run. to do: ** put symbols back in at random intervals? **Allow double, triple charTypes - use and discrete_distribution - Decrease lastCharType chances of reappearing with each generation. Reset chance on each newCharType */ #include #include #include #include #include // max array size #define MAX 93 using namespace std; char getChar(char asciiTable[], bool returnVowel) { char theChar; char temp; bool isVowel; while(isVowel != returnVowel) { theChar = asciiTable[rand()%MAX + 1]; //is the letter a vowel or consonant if(isalpha(theChar)){ temp = tolower(theChar); if(temp == 'a' || temp == 'e' || temp == 'i' || temp == 'o' || temp == 'u') { // it is a vowel isVowel = true; } else { isVowel = false; } } else if(isdigit(theChar)){ // Check digit for vowel likeness if(theChar == '4' || theChar == '3' || theChar == '1' || theChar == '0'){ isVowel = true; } else { isVowel = false; } } else { // must be a symbol - skip for now } } return theChar; } int main() { srand(time(0)); int length = 0; char letter; string password; cin >> length; if(length == 0) { cout << "enter a password length next time\n"; return 1; } char characters [MAX]; //start point on ascii table int asciiChar = 33; // populate char array for(int i = 0; i < MAX -1; i++) { characters[i] = static_cast(asciiChar); asciiChar++; } // which to use first, (1)vowel or (2)consonant int buildOrder = rand()%2; int lastCharType; // 1 = vowel , 2 = consonant // build password string. while(password.length() < length ) { // get character if(password.length() == 0) { if(buildOrder == 1) { letter = getChar(characters, true ); lastCharType = 1; } else { letter = getChar(characters, false ); lastCharType = 2; } } else { switch (lastCharType) { case 1: letter = getChar(characters, false); lastCharType = 2; break; case 2: letter = getChar(characters, true); lastCharType = 1; break; } } password+=letter; } cout << "Your new password is: " << password ; return 0; }

playing with char