Random string generator, based on

TokenGenerator.cs

/*
Based on Eric J's answer here: https://stackoverflow.com/a/1344255/72350
- Fixed bias by using 64 characters
- Removed unneeded 'new char[62]' and 'new byte[1]'
- Using GetBytes instead of GetNonZeroBytes
*/


using System.Security.Cryptography;
using System.Text;

namespace YourNamespace
{
    public static class TokenGenerator
    {
        public static string GetUniqueKey(int length)
        {
            char[] chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890.-".ToCharArray();
            byte[] data = new byte[length];
            using (RNGCryptoServiceProvider crypto = new RNGCryptoServiceProvider())
            {
                crypto.GetBytes(data);
            }
            StringBuilder result = new StringBuilder(length);
            foreach (byte b in data)
            {
                result.Append(chars[b % (chars.Length)]);
            }
            return result.ToString();
        }
    }
}