Packagefever.data.crypto
Classpublic final class Cipher

Provides mechanism to crypt / decrypt string data.


Example 
  
    var o : Cipher = Cipher.getInstance( Cipher.TEA );
    var secret : String = o.crypt( 'mySource', 'myKey' );

Unique Cipher instance is created by algorithm.

See also

fever.data.crypto.CryptAlgorithm
fever.data.crypto.CryptAlgorithmAdapter
fever.data.crypto.algorithm.TEAAlgorithm
fever.data.crypto.algorithm.RC4Algorithm

Public Methods
 MethodDefined by
  
decrypt(value:String, key:String):String
Decrypts passed-in value using key decryption key.
Cipher
  
encrypt(value:String, key:String):String
Encrypts passed-in value using key encryption key.
Cipher
  
getAlgorithm():CryptAlgorithm
Returns algorithm used for encryption / decryption process.
Cipher
  
getInstance(algorithm:Class):Cipher
[static] Retreives Cipher instance using passed-in CryptAlgorithm algorithm as crypt / decrypt processor.
Cipher
  
toString():String
Returns string representation.
Cipher
Method detail
decrypt()method
public function decrypt(value:String, key:String):String

Decrypts passed-in value using key decryption key.

Parameters
value:String — String source to decrypt
 
key:String — Key to use as decryption key

Returns
String — Decrypted string
encrypt()method 
public function encrypt(value:String, key:String):String

Encrypts passed-in value using key encryption key.

Parameters
value:String — String source to encrypt
 
key:String — Key to use as encryption key

Returns
String — Encrypted string
getAlgorithm()method 
public function getAlgorithm():CryptAlgorithm

Returns algorithm used for encryption / decryption process.

Returns
CryptAlgorithm — CryptAlgorithm instance
getInstance()method 
public static function getInstance(algorithm:Class):Cipher

Retreives Cipher instance using passed-in CryptAlgorithm algorithm as crypt / decrypt processor.

Parameters
algorithm:Class — Algorithm class

Returns
Cipher

Throws
— IllegalArgumentException if algorithm class is not a valid CryptAlgorithm

See also

fever.data.crypto.CryptAlgorithm
Implemented algorithm
toString()method 
public function toString():String

Returns string representation.

Returns
String



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Fever RS3 powered by Romain Ecarnot
Mozilla Public License 1.1
décembre 06 2007, 10:17 GMT+01:00
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