public FormsAuthenticationCookie Unprotect(string protectedText)
{
if (protectedText == null)
{
throw new ArgumentNullException(nameof(protectedText));
}
FormsAuthenticationCookie _unprotect()
{
var bBlob = CryptoUtil.HexToBinary(protectedText);
var cryptoProvider = AspNetCryptoServiceProvider.GetCryptoServiceProvider(_options);
var cryptoService = cryptoProvider.GetCryptoService();
byte[] unprotectedData = cryptoService.Unprotect(bBlob);
return(ConvertToAuthenticationTicket(unprotectedData));
}
if (_options.CacheTimeout != null)
{
return(_options.Cache.GetOrCreate($"Auth-Cookie-{protectedText}", ct => {
ct.SlidingExpiration = _options.CacheTimeout;
return _unprotect();
}));
}
return(_unprotect());
}
public FormsAuthenticationCookie Unprotect(string protectedText)
{
if (protectedText == null)
{
throw new ArgumentNullException(nameof(protectedText));
}
var bBlob = CryptoUtil.HexToBinary(protectedText);
var cryptoProvider = AspNetCryptoServiceProvider.GetCryptoServiceProvider(_options);
var cryptoService = cryptoProvider.GetCryptoService();
byte[] unprotectedData = cryptoService.Unprotect(bBlob);
return(ConvertToAuthenticationTicket(unprotectedData));
}
public string Protect(FormsAuthenticationCookie cookie)
{
if (cookie == null)
{
throw new ArgumentNullException(nameof(cookie));
}
var unprotectedData = ConvertToBytes(cookie);
var cryptoProvider = AspNetCryptoServiceProvider.GetCryptoServiceProvider(_options);
var cryptoService = cryptoProvider.GetCryptoService();
byte[] protectedData = cryptoService.Protect(unprotectedData);
return(CryptoUtil.BinaryToHex(protectedData));
}
