org.netxms.base

Class IceCrypto

java.lang.Object

org.netxms.base.IceCrypto

public class IceCrypto
extends Object

ICE encryption algorithm implementation

Constructor Summary

Constructors

Constructor and Description
IceCrypto(int level) Create a new ICE key with the specified level.

Method Summary

Modifier and Type	Method and Description
int	blockSize() Return the block size, in bytes.
void	clear() Clear the key schedule to prevent memory snooping.
static byte[]	decrypt(byte[] in, byte[] key) Encrypt data using given key.
void	decryptBlock(byte[] ciphertext, byte[] plaintext) Decrypt a block of 8 bytes of data.
static byte[]	encrypt(byte[] in, byte[] key) Encrypt data using given key.
void	encryptBlock(byte[] plaintext, byte[] ciphertext) Encrypt a block of 8 bytes of data.
int	keySize() Return the key size, in bytes.
void	set(byte[] key) Set the key schedule of an ICE key.

Methods inherited from class java.lang.Object

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

Constructor Detail

IceCrypto

public IceCrypto(int level)

Create a new ICE key with the specified level.

Parameters:

level -

Method Detail

set

public void set(byte[] key)

Set the key schedule of an ICE key.

Parameters:

key -

clear

public void clear()

Clear the key schedule to prevent memory snooping.

encryptBlock

public void encryptBlock(byte[] plaintext,
                         byte[] ciphertext)

Encrypt a block of 8 bytes of data.

decryptBlock

public void decryptBlock(byte[] ciphertext,
                         byte[] plaintext)

Decrypt a block of 8 bytes of data.

keySize

public int keySize()

Return the key size, in bytes.

blockSize

public int blockSize()

Return the block size, in bytes.

encrypt

public static byte[] encrypt(byte[] in,
                             byte[] key)

Encrypt data using given key.

Parameters:

in - clear text data

key - encryption key

Returns:

encrypted data

decrypt

public static byte[] decrypt(byte[] in,
                             byte[] key)

Encrypt data using given key.

Parameters:

in - encrypted data

key - encryption key

Returns:

clear text data