SHOW Signed

net.rim.device.api.crypto
Class SkipjackEncryptorEngine

java.lang.Object
  |
  +--net.rim.device.api.crypto.SkipjackEncryptorEngine

All Implemented Interfaces:

BlockEncryptorEngine, SymmetricKeyEncryptorEngine

public final class SkipjackEncryptorEngine

extends Object

implements SymmetricKeyEncryptorEngine

The SkipjackEncryptorEngine implements the encryption functionality of the Skipjack block cipher.

We implemented Skipjack as it's defined in Skipjack

Skipjack operates on 64 bit blocks and has a key length of 80 bits.

For a code sample using the Skipjack encryptor engine, click here.

Category:

Signed: This element is only accessible by signed clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.

Since:

JDE 3.6.0

See Also:

SkipjackDecryptorEngine, SkipjackKey

Field Summary

static int

BLOCK_LENGTH Represents the block length of the cipher in bytes, namely 8 bytes.

Constructor Summary

SkipjackEncryptorEngine(SkipjackKey key) Creates a SkipjackEncryptorEngine based upon a Skipjack key that is initialized and used for encryption of the plaintext for all subsequent calls to the class.

Method Summary

	void	encrypt(byte[] plaintext, int plaintextOffset, byte[] ciphertext, int ciphertextOffset)
	String	getAlgorithm() Returns the name of the algorithm used, ie "Skipjack".
	int	getBlockLength()

Methods inherited from class java.lang.Object

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

Field Detail

BLOCK_LENGTH

public static final int BLOCK_LENGTH

Represents the block length of the cipher in bytes, namely 8 bytes.

Since:

JDE 3.6.0

Category:

Signed: This element is only accessible by signed clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.

Constructor Detail

SkipjackEncryptorEngine

public SkipjackEncryptorEngine(SkipjackKey key)
                        throws CryptoTokenException,
                               CryptoUnsupportedOperationException

Creates a SkipjackEncryptorEngine based upon a Skipjack key that is initialized and used for encryption of the plaintext for all subsequent calls to the class.

Parameters:

key - Contains the key material that will be used for encryption.

Throws:

CryptoTokenException - Thrown if an error occurs with the crypto token or the crypto token is invalid.

CryptoUnsupportedOperationException - Thrown if a call is made to an unsupported operation.

Since:

JDE 3.6.0

Category:

Signed: This element is only accessible by signed clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.

Method Detail

getAlgorithm

public String getAlgorithm()

Returns the name of the algorithm used, ie "Skipjack".

Since:

JDE 3.6.0

Category:

Signed: This element is only accessible by signed clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.

getBlockLength

public int getBlockLength()

Description copied from interface: BlockEncryptorEngine

Returns the block length of the engine in bytes.

Since:

JDE 3.6.0

Category:

Signed: This element is only accessible by signed clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.

encrypt

public void encrypt(byte[] plaintext,
                    int plaintextOffset,
                    byte[] ciphertext,
                    int ciphertextOffset)
             throws CryptoTokenException

Description copied from interface: BlockEncryptorEngine

Encrypts a block of the given plaintext into a block of ciphertext.

Since:

JDE 3.6.0

Category:

Signed: This element is only accessible by signed clients. If you intend to use this element, please contact RIM to establish the necessary agreements that will allow you to have your COD files signed. Signing is only required for use on the device, development under the JDE can occur without signing the CODs.