org.polyglotted.crypto.api
Class AbstractCrypto

java.lang.Object
  org.polyglotted.crypto.api.AbstractCrypto

All Implemented Interfaces:

Crypto

Direct Known Subclasses:

AesDecrypter, AesEncrypter, RsaDecrypter, RsaEncrypter

public abstract class AbstractCrypto
extends Object
implements Crypto

Nested Class Summary

static class

AbstractCrypto.Mode

Field Summary

protected Cipher

cipher

Fields inherited from interface org.polyglotted.crypto.api.Crypto

AES_ALGORITHM, RSA_ALGORITHM

Constructor Summary

AbstractCrypto(Cipher cipher)

Method Summary

byte[]	crypt(byte[] cipherText) crypt the given text
protected byte[]	encrypt(String text) encrypt the given text
String	getAlgorithm()
Cipher	getCipher()
protected String	getHeaderLine()
abstract AbstractCrypto.Mode	getMode()
boolean	handlePropertyFirstLine(String firstLine, PrintWriter writer)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.polyglotted.crypto.api.Crypto

crypt

Field Detail

cipher

protected final Cipher cipher

Constructor Detail

AbstractCrypto

public AbstractCrypto(Cipher cipher)

Method Detail

getCipher

public Cipher getCipher()

Specified by:

getCipher in interface Crypto

Returns:

the cipher that is used by this crypto

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface Crypto

Returns:

the algorithm that is used by this crypto

handlePropertyFirstLine

public boolean handlePropertyFirstLine(String firstLine,
                                       PrintWriter writer)

getHeaderLine

protected String getHeaderLine()

encrypt

protected byte[] encrypt(String text)

encrypt the given text

Parameters:

text - the String representing plain text

Returns:

byte[] representing cipher value

crypt

public final byte[] crypt(byte[] cipherText)

crypt the given text

Specified by:

crypt in interface Crypto

Parameters:

cipherText - the byte[] cipher value

Returns:

byte[] representing plain text

getMode

public abstract AbstractCrypto.Mode getMode()

Returns:

if this crypto performs an encrypt or decrypt operation