Package com.identity4j.util.crypt.impl

Class AESEncoder

java.lang.Object

com.identity4j.util.crypt.impl.AbstractEncoder

com.identity4j.util.crypt.impl.RawAESEncoder

com.identity4j.util.crypt.impl.AESEncoder

All Implemented Interfaces:

Encoder

Direct Known Subclasses:

AES192Encoder, AES256Encoder

public class AESEncoder
extends RawAESEncoder

Field Summary

Fields

Modifier and Type	Field	Description
static String	ID

Fields inherited from class com.identity4j.util.crypt.impl.RawAESEncoder

keyLength

Constructor Summary

Constructors

Constructor	Description
AESEncoder()
AESEncoder(String id, int keyLength)

Method Summary

Modifier and Type	Method	Description
byte[]	decode(byte[] toDecode, byte[] salt, byte[] passphrase, String charset)	Decode bytes (if supported) to text.
byte[]	encode(byte[] toEncode, byte[] salt, byte[] passphrase, String charset)	Encode a string
protected byte[]	encode(byte[] toEncode, byte[] salt, byte[] passphrase, String charset, int keyLength, int iterations)
int	getIterations()
boolean	match(byte[] encodedData, byte[] unencodedData, byte[] passphrase, String charset)	Check if the provide un-encoded data would match the encoded data if it was encoded.
void	setIterations(int iterations)

Methods inherited from class com.identity4j.util.crypt.impl.RawAESEncoder

checkSaltLength, getSecretKey

Methods inherited from class com.identity4j.util.crypt.impl.AbstractEncoder

getId, isOfType, randomBytes

Methods inherited from class java.lang.Object

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

Field Detail

ID

public static final String ID

See Also:

Constant Field Values

Constructor Detail

AESEncoder

public AESEncoder()

AESEncoder

public AESEncoder(String id,
                  int keyLength)

Method Detail

getIterations

public int getIterations()

setIterations

public void setIterations(int iterations)

encode

public byte[] encode(byte[] toEncode,
                     byte[] salt,
                     byte[] passphrase,
                     String charset)
              throws EncoderException

Description copied from interface: Encoder

Encode a string

Specified by:

encode in interface Encoder

Overrides:

encode in class RawAESEncoder

Parameters:

toEncode - data to encode

salt - salt if supported

passphrase - passphrase if supported

charset - character set

Returns:

encoded bytes

Throws:

EncoderException - if encoding fails

encode

protected byte[] encode(byte[] toEncode,
                        byte[] salt,
                        byte[] passphrase,
                        String charset,
                        int keyLength,
                        int iterations)
                 throws EncoderException

Overrides:

encode in class RawAESEncoder

Throws:

EncoderException

decode

public byte[] decode(byte[] toDecode,
                     byte[] salt,
                     byte[] passphrase,
                     String charset)
              throws EncoderException

Description copied from interface: Encoder

Decode bytes (if supported) to text.

Specified by:

decode in interface Encoder

Overrides:

decode in class RawAESEncoder

Parameters:

toDecode - bytes to decode

salt - TODO

passphrase - passphrase if supported

charset - character set

Returns:

decoded text

Throws:

EncoderException - if encoding fails

match

public boolean match(byte[] encodedData,
                     byte[] unencodedData,
                     byte[] passphrase,
                     String charset)

Description copied from interface: Encoder

Check if the provide un-encoded data would match the encoded data if it was encoded.

Specified by:

match in interface Encoder

Overrides:

match in class AbstractEncoder

Parameters:

encodedData - encoded data

unencodedData - un-encoded data

passphrase - passphrase if supported

charset - character set

Returns:

matches