public static Task<string> CryptoRandom(int count, int minimum, int maximum)
{
return Task.Run(() =>
{
var buffer = new StringBuilder();
var r = new CryptoRNG();
for (int i = 0; i < count; i++)
{
buffer.Append(r.Next(minimum, maximum));
buffer.Append("\r\n");
}
return buffer.ToString();
});
}
public static Task<string> Passwords(int length, int count, bool lowercase, bool uppercase, bool numbers, bool special)
{
return Task.Run(() =>
{
var pool = new List<char>(90);
if (lowercase) pool.AddRange("abcdefghijklmnopqrstuvwxyz".ToCharArray());
if (uppercase) pool.AddRange("ABCDEFGHIJKLMNOPQRSTUVWXYZ".ToCharArray());
if (numbers) pool.AddRange("0123456789".ToCharArray());
if (special) pool.AddRange("_+-/&#!?@[];:".ToCharArray());
var randomized = new List<char>(pool.Count);
var r = new CryptoRNG();
while (pool.Count > 0)
{
var index = r.Next(pool.Count);
randomized.Add(pool[index]);
pool.RemoveAt(index);
}
var buffer = new StringBuilder();
for (int i = 0; i < count; i++)
{
for (int j = 0; j < length; j++)
{
var pick = r.Next(randomized.Count);
buffer.Append(randomized[pick]);
}
buffer.Append('\n');
}
return buffer.ToString();
});
}
