de.flexiprovider.core.kdf
Class PBKDF2ParameterSpec

java.lang.Object
  |
  +--de.flexiprovider.core.kdf.PBKDF2ParameterSpec

All Implemented Interfaces:

AlgorithmParameterSpec, java.security.spec.AlgorithmParameterSpec

public class PBKDF2ParameterSpec

extends java.lang.Object

implements AlgorithmParameterSpec

This class represents parameters for the PBKDF2 key derivation function (OID 1.2.840.113549.2.7) used for passphrase based encryption.

Author:

Thomas Wahrenbruch, Martin Döring

Field Summary

static java.lang.String

DEFAULT_PRF_OID The OID of the default pseudo-random function (HmacWithSHA1)

Constructor Summary

PBKDF2ParameterSpec(byte[] salt, int iterationCount, int keySize)
Construct new PBKDF2 parameters from the given salt, iteration count, and key size.

Method Summary

int	getIterationCount()
int	getKeySize()
byte[]	getSalt()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_PRF_OID

public static final java.lang.String DEFAULT_PRF_OID

The OID of the default pseudo-random function (HmacWithSHA1)

Constructor Detail

PBKDF2ParameterSpec

public PBKDF2ParameterSpec(byte[] salt,
                           int iterationCount,
                           int keySize)

Construct new PBKDF2 parameters from the given salt, iteration count, and key size.

Parameters:

salt - the salt

iterationCount - the iteration count

keySize - the key size

Method Detail

getSalt

public byte[] getSalt()

Returns:

the salt

getIterationCount

public int getIterationCount()

Returns:

the iteration count

getKeySize

public int getKeySize()

Returns:

the key size

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

Returns:

a human readable form of the parameters