public byte[] Decode(string text)
{
if (text == null)
{
throw new ArgumentNullException("text");
}
return(Convert.FromBase64String(Base64UrlTextEncoder.Pad(text.Replace('-', '+').Replace('\u005F', '/'))));
}
// IIS will use ASP.NET machine key data protection
// HttpListener and other self - hosted servers will use DPAPI data protection
public static SecureDataFormat <AuthenticationTicket> Create()
{
string[] purposes = new string[] { typeof(OAuthBearerAuthenticationMiddleware).Namespace, "Access_Token", "v1" };
var dp = new MachineKeyDataProtector(purposes);
var enc = new Base64UrlTextEncoder();
var ts = new TicketSerializer();
var sdf = new SecureDataFormat <AuthenticationTicket>(ts, dp, enc);
return(sdf);
}