/// <summary>
/// Generate random digit code
/// </summary>
/// <param name="length">Length</param>
/// <returns>Result string</returns>
public static string GenerateRandomPassword(int length)
{
using var random = new SecureRandomNumberGenerator();
const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
return(new string(Enumerable.Repeat(chars, length)
.Select(s => s[random.Next(s.Length)]).ToArray()));
}
/// <summary>
/// Generate random digit code
/// </summary>
/// <param name="length">Length</param>
/// <returns>Result string</returns>
public static string GenerateRandomDigitCode(int length)
{
using var random = new SecureRandomNumberGenerator();
var str = string.Empty;
for (var i = 0; i < length; i++)
{
str = string.Concat(str, random.Next(10).ToString());
}
return(str);
}
/// <summary>
/// Returns an random integer number within a specified rage
/// </summary>
/// <param name="min">Minimum number</param>
/// <param name="max">Maximum number</param>
/// <returns>Result</returns>
public static int GenerateRandomInteger(int min = 0, int max = int.MaxValue)
{
using var random = new SecureRandomNumberGenerator();
return(random.Next(min, max));
}