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oracle.security.crypto.core
Class PBE

java.lang.Object
oracle.security.crypto.core.PBE

Direct Known Subclasses:

PKCS12PBE, PKCS5PBE

public abstract class PBE

extends java.lang.Object

An abstract class for Password Based Encryption

See Also:

PKCS5PBE, PKCS12PBE

Field Summary

protected PBEAlgorithmIdentifier	algID
protected AlgorithmIdentifier	cipherAlgID
protected AlgorithmIdentifier	mdAlgID

Constructor Summary

protected

PBE() Standard contstructor.

Method Summary

abstract byte[]	decrypt(java.lang.String password, byte[] data) Decrypt an array of bytes, and return the decrypted array of bytes.
abstract PrivateKey	decryptPrivateKey(java.lang.String password, byte[] encPrivKey) Decrypt a private key, and return the decrypted key.
abstract SymmetricKey	decryptSymmetricKey(java.lang.String password, byte[] encSymKey) Decrypt a symmetric key, and return the decrypted key.
abstract byte[]	encrypt(java.lang.String password, byte[] data) Encrypt an array of bytes, and return the encrypted array of bytes.
abstract byte[]	encryptPrivateKey(java.lang.String password, PrivateKey privKey) Encrypt a private key, and return the encrypted key.
abstract byte[]	encryptSymmetricKey(java.lang.String password, SymmetricKey symKey) Encrypt a symmetric key, and return the encrypted key.
AlgorithmIdentifier	getAlgID() Returns the algorithm identifier of this PBE.
static PBE	getInstance(AlgorithmIdentifier algID) Creates a new PBE instance using the specified AlgorithmIdentifier.
abstract void	initialize(AlgorithmIdentifier algID) Initializes this PBE instance with the specified algorithm identifier.
abstract void	initialize(int mode) Initializes this PBE instance with the specified PBE parameters.
abstract void	initialize(int mode, byte[] salt, int iterationCount) Initializes this PBE instance with the specified PBE parameters.

Methods inherited from class java.lang.Object

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

Field Detail

algID

protected PBEAlgorithmIdentifier algID

mdAlgID

protected AlgorithmIdentifier mdAlgID

cipherAlgID

protected AlgorithmIdentifier cipherAlgID

Constructor Detail

PBE

protected PBE()

Standard contstructor.

Method Detail

getInstance

public static PBE getInstance(AlgorithmIdentifier algID)
                       throws AlgorithmIdentifierException

Creates a new PBE instance using the specified AlgorithmIdentifier.

Parameters:

algID - The algorithm identifier to create the PBE. It should be a instance of PBEAlgorithmIdentifier.

Returns:

The newly created PBE instance.

Throws:

AlgorithmIdentifierException

initialize

public abstract void initialize(AlgorithmIdentifier algID)
                         throws AlgorithmIdentifierException

Initializes this PBE instance with the specified algorithm identifier.

Parameters:

algID - The algorithm identifier used to initialize this PBE. It should be a instance of PBEAlgorithmIdentifier.

Throws:

AlgorithmIdentifierException

initialize

public abstract void initialize(int mode,
                                byte[] salt,
                                int iterationCount)
                         throws AlgorithmIdentifierException

Initializes this PBE instance with the specified PBE parameters.

Parameters:

mode - The mode to use with this PBE. The mode can be a PKCS5PBE mode value or a PKCS12PBE mode value.

salt - The salt to use during the key generation.

iterationCount - The iteration count to use during the key generation.

Throws:

AlgorithmIdentifierException

initialize

public abstract void initialize(int mode)
                         throws AlgorithmIdentifierException

Initializes this PBE instance with the specified PBE parameters.

Parameters:

mode - The mode to use with this PBE. The mode can be a PKCS5PBE mode value or a PKCS12PBE mode value.

Throws:

AlgorithmIdentifierException

getAlgID

public AlgorithmIdentifier getAlgID()

Returns the algorithm identifier of this PBE.

Returns:

An AlgorithmIdentifier object representing the algorithm used with this PBE.

encryptPrivateKey

public abstract byte[] encryptPrivateKey(java.lang.String password,
                                         PrivateKey privKey)
                                  throws CipherException

Encrypt a private key, and return the encrypted key.

Parameters:

password - The password to use to generate the key.

privKey - The private key to encrypt.

Returns:

A byte array containing the encrypted private key.

Throws:

CipherException

decryptPrivateKey

public abstract PrivateKey decryptPrivateKey(java.lang.String password,
                                             byte[] encPrivKey)
                                      throws CipherException,
                                             java.io.IOException

Decrypt a private key, and return the decrypted key.

Parameters:

password - The password to use to generate the key.

encPrivKey - The byte array containing the encrypted private key.

Returns:

The decrypted private key.

Throws:

CipherException

java.io.IOException

encryptSymmetricKey

public abstract byte[] encryptSymmetricKey(java.lang.String password,
                                           SymmetricKey symKey)
                                    throws CipherException

Encrypt a symmetric key, and return the encrypted key.

Parameters:

password - The password to use to generate the key.

symKey - The symmetric key to encrypt.

Returns:

A byte array containing the encrypted symmetric key.

Throws:

CipherException

decryptSymmetricKey

public abstract SymmetricKey decryptSymmetricKey(java.lang.String password,
                                                 byte[] encSymKey)
                                          throws CipherException

Decrypt a symmetric key, and return the decrypted key.

Parameters:

password - The password to use to generate the key.

encSymKey - The byte array containing the encrypted symmetric key.

Returns:

The decrypted symmetric key.

Throws:

CipherException

encrypt

public abstract byte[] encrypt(java.lang.String password,
                               byte[] data)
                        throws CipherException

Encrypt an array of bytes, and return the encrypted array of bytes.

Parameters:

password - The password to use to generate the key.

data - The data to encrypt.

Returns:

The encrypted data.

Throws:

CipherException

decrypt

public abstract byte[] decrypt(java.lang.String password,
                               byte[] data)
                        throws CipherException

Decrypt an array of bytes, and return the decrypted array of bytes.

Parameters:

password - The password to use to generate the key.

data - The data to decrypt.

Returns:

The decrypted data.

Throws:

CipherException

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