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oracle.security.crypto.core
Class PKCS12PBE

java.lang.Object
oracle.security.crypto.core.PBE
oracle.security.crypto.core.PKCS12PBE

public final class PKCS12PBE

extends PBE

Class to perform password-based encryption, as defined in the PKCS#12 specification.

Since:

3.0

Field Summary

static int	SHA_128RC2_CBC The SHA1 with RC2 CBC 128 bits PKCS#12 mode.
static int	SHA_128RC4 The SHA1 with RC4 128 bits PKCS#12 mode.
static int	SHA_2_3DES_CBC The SHA1 with Triple DES CBC 112 bits PKCS#12 mode.
static int	SHA_3_3DES_CBC The SHA1 with Triple DES CBC 168 bits PKCS#12 mode.
static int	SHA_40RC2_CBC The SHA1 with RC2 CBC 40 bits PKCS#12 mode.
static int	SHA_40RC4 The SHA1 with RC4 40 bits PKCS#12 mode.

Fields inherited from class oracle.security.crypto.core.PBE

algID, cipherAlgID, mdAlgID

Constructor Summary

PKCS12PBE()
Standard contstructor.

Method Summary

static byte[]	createPKCS12MacKey(AlgorithmIdentifier algID, java.lang.String password, byte[] salt, int iterationCount, int keyLength) Creates a PKCS#12 MAC key according to the PKCS#12 specifications.
byte[]	decrypt(java.lang.String password, byte[] data) Decrypt an array of bytes, and return the decrypted array of bytes.
PrivateKey	decryptPrivateKey(java.lang.String password, byte[] encPrivKey) Decrypt a private key, and return the decrypted key.
SymmetricKey	decryptSymmetricKey(java.lang.String password, byte[] encSymKey) Decrypt a symmetric key, and return the decrypted key.
byte[]	encrypt(java.lang.String password, byte[] data) Encrypt an array of bytes, and return the encrypted array of bytes.
byte[]	encryptPrivateKey(java.lang.String password, PrivateKey privKey) Encrypt a private key, and return the encrypted key.
byte[]	encryptSymmetricKey(java.lang.String password, SymmetricKey symKey) Encrypt a symmetric key, and return the encrypted key.
void	initialize(AlgorithmIdentifier algID) Initializes this PBE instance with the specified algorithm identifier.
void	initialize(int mode) Initializes this PBE instance with the specified PBE parameters.
void	initialize(int mode, byte[] salt, int iterationCount) Initializes this PBE instance with the specified PBE parameters.

Methods inherited from class oracle.security.crypto.core.PBE

getAlgID, getInstance

Methods inherited from class java.lang.Object

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

Field Detail

SHA_128RC4

public static final int SHA_128RC4

The SHA1 with RC4 128 bits PKCS#12 mode.

See Also:

Constant Field Values

SHA_40RC4

public static final int SHA_40RC4

The SHA1 with RC4 40 bits PKCS#12 mode.

See Also:

Constant Field Values

SHA_3_3DES_CBC

public static final int SHA_3_3DES_CBC

The SHA1 with Triple DES CBC 168 bits PKCS#12 mode.

See Also:

Constant Field Values

SHA_2_3DES_CBC

public static final int SHA_2_3DES_CBC

The SHA1 with Triple DES CBC 112 bits PKCS#12 mode.

See Also:

Constant Field Values

SHA_128RC2_CBC

public static final int SHA_128RC2_CBC

The SHA1 with RC2 CBC 128 bits PKCS#12 mode.

See Also:

Constant Field Values

SHA_40RC2_CBC

public static final int SHA_40RC2_CBC

The SHA1 with RC2 CBC 40 bits PKCS#12 mode.

See Also:

Constant Field Values

Constructor Detail

PKCS12PBE

public PKCS12PBE()

Standard contstructor.

Method Detail

initialize

public void initialize(AlgorithmIdentifier algID)
                throws AlgorithmIdentifierException

Initializes this PBE instance with the specified algorithm identifier.

Specified by:

initialize in class PBE

Parameters:

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

Throws:

AlgorithmIdentifierException

initialize

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

Initializes this PBE instance with the specified PBE parameters.

Specified by:

initialize in class PBE

Parameters:

mode - The mode to use with this PBE. The mode is 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 void initialize(int mode)
                throws AlgorithmIdentifierException

Initializes this PBE instance with the specified PBE parameters.

Specified by:

initialize in class PBE

Parameters:

mode - The mode to use with this PBE. The mode is a PKCS12PBE mode value.

Throws:

AlgorithmIdentifierException

encrypt

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

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

Specified by:

encrypt in class PBE

Parameters:

password - The password to use to generate the key.

data - The data to encrypt.

Returns:

The encrypted data.

Throws:

CipherException

decrypt

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

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

Specified by:

decrypt in class PBE

Parameters:

password - The password to use to generate the key.

data - The data to decrypt.

Returns:

The decrypted data.

Throws:

CipherException

encryptPrivateKey

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

Encrypt a private key, and return the encrypted key.

Specified by:

encryptPrivateKey in class PBE

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

Decrypt a private key, and return the decrypted key.

Specified by:

decryptPrivateKey in class PBE

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

Encrypt a symmetric key, and return the encrypted key.

Specified by:

encryptSymmetricKey in class PBE

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

Decrypt a symmetric key, and return the decrypted key.

Specified by:

decryptSymmetricKey in class PBE

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

createPKCS12MacKey

public static byte[] createPKCS12MacKey(AlgorithmIdentifier algID,
                                        java.lang.String password,
                                        byte[] salt,
                                        int iterationCount,
                                        int keyLength)
                                 throws CipherException

Creates a PKCS#12 MAC key according to the PKCS#12 specifications.

Parameters:

algID - The message digest algorithm identifier to use to generate the key. It is typically SHA1.

password - The password to use to generate the key.

salt - The salt value to use during the key generation.

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

keyLength - The length of the key material that will be returned,

Returns:

A byte array containing the PKCS#12 MAC key.

Throws:

CipherException

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