C# Class Subtext.Web.Controls.CaptchaBase

Inheritance: System.Web.UI.WebControls.BaseValidator

Private Properties

Property	Type	Description
InitializeEncryptionAlgorithm	System.Security.Cryptography.SymmetricAlgorithm
ValidateCaptcha	bool

Method	Description
DecryptString ( string encryptedEncodedText ) : string	Decrypts the base64 encrypted string and returns the cleartext.
EncryptString ( string clearText ) : string	Encrypts the string and returns a base64 encoded encrypted string.

Method	Description
ControlPropertiesValid ( ) : bool	Checks the properties of the control for valid values.
EncryptAnswer ( string answer ) : string	Encrypts the answer along with the current datetime.
EvaluateIsValid ( ) : bool	When overridden in a derived class, this method contains the code to determine whether the value in the input control is valid.
GetClientSpecifiedAnswer ( ) : string
GetEncryptedAnswerFromForm ( ) : AnswerAndDate	Gets the encrypted answer from form.

Method	Description
InitializeEncryptionAlgorithm ( ) : SymmetricAlgorithm
ValidateCaptcha ( ) : bool

Checks the properties of the control for valid values.

protected ControlPropertiesValid ( ) : bool
return	bool

Decrypts the base64 encrypted string and returns the cleartext.

Thrown the string to be decrypted /// was encrypted using a different encryptor (for example, if we recompile and /// receive an old string).

public static DecryptString ( string encryptedEncodedText ) : string
encryptedEncodedText	string	The clear text.
return	string

Encrypts the answer along with the current datetime.

protected EncryptAnswer ( string answer ) : string
answer	string	The answer.
return	string

Encrypts the string and returns a base64 encoded encrypted string.

public static EncryptString ( string clearText ) : string
clearText	string	The clear text.
return	string

When overridden in a derived class, this method contains the code to determine whether the value in the input control is valid.

protected EvaluateIsValid ( ) : bool
return	bool

protected GetClientSpecifiedAnswer ( ) : string
return	string

Gets the encrypted answer from form.

Thrown when the user takes too long to submit a captcha answer.

protected GetEncryptedAnswerFromForm ( ) : AnswerAndDate
return	AnswerAndDate