public void SetCharLimit(CharLimit charLimit)
{
var limit = new StringBuilder();
if (charLimit.HasFlag(String.CharLimit.Default))
{
limit.Append(String.CharLimit.Default.GetStringValue());
CharLimit = limit.ToString();
return;
}
if (charLimit.HasFlag(String.CharLimit.UpperCase))
{
limit.Append(String.CharLimit.UpperCase.GetStringValue());
}
if (charLimit.HasFlag(String.CharLimit.LowerCase))
{
limit.Append(String.CharLimit.LowerCase.GetStringValue());
}
if (charLimit.HasFlag(String.CharLimit.Number))
{
limit.Append(String.CharLimit.Number.GetStringValue());
}
CharLimit = limit.ToString();
}
public void SetCharLimit(CharLimit charLimit)
{
var limit = new StringBuilder();
if (charLimit.HasFlag(String.CharLimit.Default))
{
limit.Append(String.CharLimit.Default.GetStringValue());
CharLimit = limit.ToString();
return;
}
if (charLimit.HasFlag(String.CharLimit.UpperCase))
{
limit.Append(String.CharLimit.UpperCase.GetStringValue());
}
if (charLimit.HasFlag(String.CharLimit.LowerCase))
{
limit.Append(String.CharLimit.LowerCase.GetStringValue());
}
if (charLimit.HasFlag(String.CharLimit.Number))
{
limit.Append(String.CharLimit.Number.GetStringValue());
}
CharLimit = limit.ToString();
}
/// <summary>
/// Get a secure random string using RNGCryptoServiceProvider
/// </summary>
/// <param name="length">length of random string</param>
/// <returns>random string</returns>
public string NextSecure(int length)
{
var chars = CharLimit.ToCharArray();
var data = new byte[1];
using (var crypto = new RNGCryptoServiceProvider())
{
crypto.GetNonZeroBytes(data);
data = new byte[length];
crypto.GetNonZeroBytes(data);
}
var result = new StringBuilder(length);
foreach (var b in data)
{
result.Append(chars[b % (chars.Length)]);
}
return(result.ToString());
}
