org.encryptor4j.factory

Class AbsKeyFactory

java.lang.Object

org.encryptor4j.factory.AbsKeyFactory

All Implemented Interfaces:

KeyFactory

Direct Known Subclasses:

AESKeyFactory, DESKeyFactory

public abstract class AbsKeyFactory
extends java.lang.Object
implements KeyFactory

Abstract KeyFactory implementation for creating secure keys.

Author:

Martin

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_ITERATION_COUNT
static byte[]	DEFAULT_SALT

Fields inherited from interface org.encryptor4j.factory.KeyFactory

AES, DES

Constructor Summary

Constructors

Constructor and Description
AbsKeyFactory(java.lang.String algorithm, int maximumKeyLength)
AbsKeyFactory(java.lang.String algorithm, int maximumKeyLength, byte[] salt, int iterationCount)

Method Summary

Modifier and Type	Method and Description
java.security.Key	keyFromPassword(char[] password) Derives and returns a strong key from a password.
java.security.Key	randomKey() Generates a strong random key.
java.security.Key	randomKey(int size) Generates a random key of size size.
void	setIterationCount(int iterationCount) Sets the amount of hashing iterations to be used by this factory.
void	setSalt(byte[] salt) Sets the salt to be used by this factory.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_SALT

public static final byte[] DEFAULT_SALT

DEFAULT_ITERATION_COUNT

public static final int DEFAULT_ITERATION_COUNT

See Also:

Constant Field Values

Constructor Detail

AbsKeyFactory

public AbsKeyFactory(java.lang.String algorithm,
                     int maximumKeyLength)

Parameters:

algorithm -

maximumKeyLength -

AbsKeyFactory

public AbsKeyFactory(java.lang.String algorithm,
                     int maximumKeyLength,
                     byte[] salt,
                     int iterationCount)

Parameters:

algorithm -

maximumKeyLength -

salt -

iterationCount -

Method Detail

setSalt

public void setSalt(byte[] salt)

Sets the salt to be used by this factory.

Parameters:

salt -

setIterationCount

public void setIterationCount(int iterationCount)

Sets the amount of hashing iterations to be used by this factory.

Parameters:

iterationCount -

keyFromPassword

public final java.security.Key keyFromPassword(char[] password)

Description copied from interface: KeyFactory

Derives and returns a strong key from a password.

Specified by:

keyFromPassword in interface KeyFactory

Returns:

randomKey

public final java.security.Key randomKey()

Description copied from interface: KeyFactory

Generates a strong random key.

Specified by:

randomKey in interface KeyFactory

Returns:

randomKey

public final java.security.Key randomKey(int size)

Description copied from interface: KeyFactory

Generates a random key of size size.

Specified by:

randomKey in interface KeyFactory

Returns: