Was this page helpful?
Your feedback about this content is important. Let us know what you think.
Additional feedback?
1500 characters remaining
Export (0) Print
Expand All

FormsAuthentication.Decrypt Method

Returns an instance of a FormsAuthenticationTicket class, given a valid encrypted authentication ticket obtained from an HTTP cookie.

[Visual Basic]
Public Shared Function Decrypt( _
   ByVal encryptedTicket As String _
) As FormsAuthenticationTicket
public static FormsAuthenticationTicket Decrypt(
 string encryptedTicket
public: static FormsAuthenticationTicket* Decrypt(
 String* encryptedTicket
public static function Decrypt(
   encryptedTicket : String
) : FormsAuthenticationTicket;


The encrypted authentication ticket.

Return Value

Returns a FormsAuthenticationTicket object. If encryptedTicket is not a valid ticket, Decrypt returns a null reference (Nothing in Visual Basic).


Exception Type Condition
ArgumentException encryptedTicket is not in a invalid format.


Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family

See Also

FormsAuthentication Class | FormsAuthentication Members | System.Web.Security Namespace

© 2015 Microsoft