net.rim.device.api.crypto
Class NullDecryptor

java.lang.Object
  java.io.InputStream
      net.rim.device.api.crypto.CryptoInputStream
          net.rim.device.api.crypto.DecryptorInputStream
              net.rim.device.api.crypto.NullDecryptor

public final class NullDecryptor
extends DecryptorInputStream

The NullDecryptor class provides no security.

See Also:

NullEncryptor, NullDigest

Category:

Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.

Since:

BlackBerry API 3.6.0

Field Summary

Fields inherited from class net.rim.device.api.crypto.CryptoInputStream

_inputStream

Constructor Summary
	NullDecryptor(InputStream input) Creates a NullDecryptor object that takes an underlying input stream.

Method Summary
	String	getAlgorithm() Returns the name of the signing algorithm used, ie "Null".
	int	read(byte[] data, int offset, int length) Reads from the underlying input stream without performing any additional processing.

Methods inherited from class net.rim.device.api.crypto.CryptoInputStream

available, close, getInputStream, markSupported, read, read

Methods inherited from class java.io.InputStream

mark, reset, skip

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

NullDecryptor

public NullDecryptor(InputStream input)

Creates a NullDecryptor object that takes an underlying input stream.

Parameters:

input - The input stream to use.

Category:

Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.

Since:

BlackBerry API 3.6.0

Method Detail

getAlgorithm

public String getAlgorithm()

Returns the name of the signing algorithm used, ie "Null".

Specified by:

getAlgorithm in class CryptoInputStream

Returns:

A String representing the name of the algorithm.

Category:

Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.

Since:

BlackBerry API 3.6.0

read

public int read(byte[] data,
                int offset,
                int length)
         throws IOException

Reads from the underlying input stream without performing any additional processing.

Specified by:

read in class CryptoInputStream

Parameters:

data - A byte array containing the data to be decrypted.

offset - The offset, or initial position, of the data within the array.

length - The amount of data to be read in.

Returns:

An integer containing the data that was read.

Throws:

IOException - Thrown if an I/O error occurs.

See Also:

CryptoInputStream.read()

Category:

Signed: This element is only accessible by signed applications. If you intend to use this element, please visit http://www.blackberry.com/go/codesigning to obtain a set of code signing keys. Code signing is only required for applications running on BlackBerry smartphones; development on BlackBerry Smartphone Simulators can occur without code signing.

Since:

BlackBerry API 3.6.0