Package com.mku.salmon.transform

Class AesNativeTransformer

java.lang.Object

com.mku.salmon.transform.AesCTRTransformer

com.mku.salmon.transform.AesNativeTransformer

All Implemented Interfaces:

ICTRTransformer

public class AesNativeTransformer
extends AesCTRTransformer

Generic Native AES transformer. Extend this with your specific native transformer.

Field Summary

Fields inherited from class com.mku.salmon.transform.AesCTRTransformer

BLOCK_SIZE, EXPANDED_KEY_SIZE

Constructor Summary

Constructors

Constructor	Description
AesNativeTransformer(int implType)	Construct a SalmonNativeTransformer for using the native aes c library

Method Summary

Modifier and Type	Method	Description
int	decryptData(byte[] srcBuffer, int srcOffset, byte[] destBuffer, int destOffset, int count)	Decrypt the data.
int	encryptData(byte[] srcBuffer, int srcOffset, byte[] destBuffer, int destOffset, int count)	Encrypt the data.
int	getImplType()
static INativeProxy	getNativeProxy()
void	init(byte[] key, byte[] nonce)	Initialize the native Aes intrinsics transformer.
void	setImplType(int implType)
static void	setNativeProxy(INativeProxy proxy)	The native proxy to use for loading libraries for different platforms and operating systems.

Methods inherited from class com.mku.salmon.transform.AesCTRTransformer

getBlock, getCounter, getExpandedKey, getKey, getNonce, increaseCounter, resetCounter, setExpandedKey, syncCounter

Methods inherited from class java.lang.Object

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

Constructor Detail

AesNativeTransformer

public AesNativeTransformer(int implType)

Construct a SalmonNativeTransformer for using the native aes c library

Parameters:

implType - The AES native implementation see ProviderType enum

Method Detail

setNativeProxy

public static void setNativeProxy(INativeProxy proxy)

The native proxy to use for loading libraries for different platforms and operating systems.

Parameters:

proxy - The proxy

getNativeProxy

public static INativeProxy getNativeProxy()

getImplType

public int getImplType()

setImplType

public void setImplType(int implType)

init

public void init(byte[] key,
                 byte[] nonce)

Initialize the native Aes intrinsics transformer.

Specified by:

init in interface ICTRTransformer

Overrides:

init in class AesCTRTransformer

Parameters:

key - The AES key to use

nonce - The nonce to use

encryptData

public int encryptData(byte[] srcBuffer,
                       int srcOffset,
                       byte[] destBuffer,
                       int destOffset,
                       int count)

Encrypt the data.

Parameters:

srcBuffer - The source byte array.

srcOffset - The source byte offset.

destBuffer - The destination byte array.

destOffset - The destination byte offset.

count - The number of bytes to transform.

Returns:

The number of bytes transformed.

decryptData

public int decryptData(byte[] srcBuffer,
                       int srcOffset,
                       byte[] destBuffer,
                       int destOffset,
                       int count)

Decrypt the data.

Parameters:

srcBuffer - The source byte array.

srcOffset - The source byte offset.

destBuffer - The destination byte array.

destOffset - The destination byte offset.

count - The number of bytes to transform.

Returns:

The number of bytes transformed.