Package org.bouncycastle.jcajce.provider.symmetric.util

Class BaseSecretKeyFactory

java.lang.Object

javax.crypto.SecretKeyFactorySpi

org.bouncycastle.jcajce.provider.symmetric.util.BaseSecretKeyFactory

All Implemented Interfaces:

PBE

Direct Known Subclasses:

DES.DESPBEKeyFactory, DES.KeyFactory, DESede.KeyFactory, PBESecretKeyFactory, SHA1.BasePBKDF2WithHmacSHA1

public class BaseSecretKeyFactory
extends SecretKeyFactorySpi
implements PBE

Nested Class Summary

Nested classes/interfaces inherited from interface org.bouncycastle.jcajce.provider.symmetric.util.PBE

PBE.Util

Field Summary

Fields

Modifier and Type	Field	Description
protected String	algName
protected ASN1ObjectIdentifier	algOid

Fields inherited from interface org.bouncycastle.jcajce.provider.symmetric.util.PBE

MD5, OPENSSL, PKCS12, PKCS5S1, PKCS5S1_UTF8, PKCS5S2, PKCS5S2_UTF8, SHA1, SHA256

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	BaseSecretKeyFactory(String algName, ASN1ObjectIdentifier algOid)

Method Summary

Modifier and Type	Method	Description
protected SecretKey	engineGenerateSecret(KeySpec keySpec)	Generate a secret key from the specified key specification.
protected KeySpec	engineGetKeySpec(SecretKey key, Class keySpec)	Returns the key specification of the specified secret key.
protected SecretKey	engineTranslateKey(SecretKey key)	Translates the specified secret key into an instance of the corresponding key from the provider of this key factory.

Methods inherited from class java.lang.Object

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

Field Details

algName

protected String algName

algOid

protected ASN1ObjectIdentifier algOid

Constructor Details

BaseSecretKeyFactory

protected BaseSecretKeyFactory(String algName,
ASN1ObjectIdentifier algOid)

Method Details

engineGenerateSecret

protected SecretKey engineGenerateSecret(KeySpec keySpec)
                                  throws InvalidKeySpecException

Description copied from class: SecretKeyFactorySpi

Generate a secret key from the specified key specification.

Specified by:

engineGenerateSecret in class SecretKeyFactorySpi

Parameters:

keySpec - the key specification.

Returns:

a secret key.

Throws:

InvalidKeySpecException - if the specified key specification cannot be used to generate a secret key.

engineGetKeySpec

protected KeySpec engineGetKeySpec(SecretKey key,
Class keySpec)
                            throws InvalidKeySpecException

Description copied from class: SecretKeyFactorySpi

Returns the key specification of the specified secret key.

Specified by:

engineGetKeySpec in class SecretKeyFactorySpi

Parameters:

key - the secret key to get the specification from.

keySpec - the target key specification class.

Returns:

an instance of the specified key specification class.

Throws:

InvalidKeySpecException - if the specified secret key cannot be transformed into the requested key specification.

engineTranslateKey

protected SecretKey engineTranslateKey(SecretKey key)
                                throws InvalidKeyException

Description copied from class: SecretKeyFactorySpi

Translates the specified secret key into an instance of the corresponding key from the provider of this key factory.

Specified by:

engineTranslateKey in class SecretKeyFactorySpi

Parameters:

key - the secret key to translate.

Returns:

the corresponding translated key.

Throws:

InvalidKeyException - if the specified key cannot be translated using this key factory.