com.isti.util

Class AbstractEncryptFactory

java.lang.Object

com.isti.util.AbstractEncryptFactory

All Implemented Interfaces:

EncryptFactory

Direct Known Subclasses:

EncryptFactoryDefault

public abstract class AbstractEncryptFactory
extends java.lang.Object
implements EncryptFactory

Field Summary

Fields inherited from interface com.isti.util.EncryptFactory

EMPTY_BYTES

Constructor Summary

Constructors

Constructor and Description
AbstractEncryptFactory()

Method Summary

Modifier and Type	Method and Description
protected javax.crypto.Cipher	createCipher() Create the cipher.
protected javax.crypto.spec.SecretKeySpec	createKey() Create the key.
protected javax.crypto.SecretKeyFactory	createSecretKeyFactory() Create the secret key factory.
byte[]	decryptBytes(java.lang.String s) Decrypt the text to bytes.
byte[]	encryptBytes(byte[] bytes) Encrypt the bytes.
protected int	getIterationCount() Get the iteration count.
protected int	getKeyLength() Get the key length.
protected abstract char[]	getPw() Get the password.
protected abstract byte[]	getSalt() Get the salt.
protected byte[]	getSalt(boolean b) Get the salt.
protected java.lang.String	getSecretKeyAlgorithm() Get the the name of the secret-key algorithm.
protected java.lang.String	getSeparatorText() Get the separator text.
boolean	isAddUserName() Determines if adding the user name to the salt.
void	setAddUserName(boolean b) Set if adding the user name to the salt.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.isti.util.EncryptFactory

decrypt, decryptChars, encrypt, encrypt, encrypt, encrypt, getBytes, getBytes, getBytes, getCharset

Constructor Detail

AbstractEncryptFactory

public AbstractEncryptFactory()

Method Detail

createCipher

protected javax.crypto.Cipher createCipher()
                                    throws java.security.GeneralSecurityException

Create the cipher.

Returns:

the cipher.

Throws:

java.security.GeneralSecurityException - if the cipher could not be created.

createKey

protected javax.crypto.spec.SecretKeySpec createKey()
                                             throws java.security.GeneralSecurityException

Create the key.

Returns:

the key.

Throws:

java.security.GeneralSecurityException - if the key could not be created.

createSecretKeyFactory

protected javax.crypto.SecretKeyFactory createSecretKeyFactory()
                                                        throws java.security.GeneralSecurityException

Create the secret key factory.

Returns:

the secret key factory.

Throws:

java.security.GeneralSecurityException - if the secret key factory could not be created.

decryptBytes

public byte[] decryptBytes(java.lang.String s)

Description copied from interface: EncryptFactory

Decrypt the text to bytes.

Specified by:

decryptBytes in interface EncryptFactory

Parameters:

s - the text.

Returns:

the decrypted bytes.

encryptBytes

public byte[] encryptBytes(byte[] bytes)

Description copied from interface: EncryptFactory

Encrypt the bytes.

Specified by:

encryptBytes in interface EncryptFactory

Parameters:

bytes - the bytes.

Returns:

the encrypted bytes.

getIterationCount

protected int getIterationCount()

Get the iteration count.

Returns:

the iteration count, must be positive number.

getKeyLength

protected int getKeyLength()

Get the key length.

Returns:

the key length, must be positive number.

getPw

protected abstract char[] getPw()

Get the password.

Returns:

the password.

getSalt

protected abstract byte[] getSalt()

Get the salt.

Returns:

the salt.

getSalt

protected byte[] getSalt(boolean b)

Get the salt.

Parameters:

b - true to add the user name to the salt, false otherwise.

Returns:

the salt.

getSecretKeyAlgorithm

protected java.lang.String getSecretKeyAlgorithm()

Get the the name of the secret-key algorithm.

Returns:

the the name of the secret-key algorithm.

getSeparatorText

protected java.lang.String getSeparatorText()

Get the separator text.

Returns:

the separator text.

isAddUserName

public boolean isAddUserName()

Determines if adding the user name to the salt.

Returns:

true if adding the user name to the salt, false otherwise.

setAddUserName

public void setAddUserName(boolean b)

Set if adding the user name to the salt.

Parameters:

b - true if adding the user name to the salt, false otherwise.