///<summary>Generates a random password 8 char long containing at least one uppercase, one lowercase, and one number.</summary>
public static string PassGen(int len)
{
if (len < 0)
{
len = 0;
}
//Leave out characters that can cause confusion (o,O,0,l,1,I).
string lowerCase = "abcdefgijkmnopqrstwxyz";
string upperCase = "ABCDEFGHJKLMNPQRSTWXYZ";
string numbers = "23456789";
string allChars = lowerCase + upperCase + numbers;
string passChars = "";
//Grab a letter from each so know we have one of each.
foreach (string s in new string[] { lowerCase, upperCase, numbers })
{
passChars += s[CryptUtil.Random <int>() % s.Length];
}
//Start at 3 because we already added 3 characters
for (int i = 3; i < len; i++)
{
passChars += allChars[ODCrypt.CryptUtil.Random <int>() % allChars.Length];
}
//Now that we have our character set, now we do a Fisher-Yates shuffle.
char[] chars = passChars.ToCharArray();
int arraysize = chars.Length;
int random;
char temp;
for (int i = 0; i < arraysize; i++)
{
random = i + (int)(CryptUtil.Random <int>() % (arraysize - i));
temp = chars[random];
chars[random] = chars[i];
chars[i] = temp;
}
//Take a substring in case the requested length is 1 or 2 characters.
return(new string(chars).Substring(0, len));
}