org.bouncycastle.jcajce.provider.symmetric.util

Class PBE.Util

java.lang.Object

org.bouncycastle.jcajce.provider.symmetric.util.PBE.Util

Enclosing interface:

PBE

public static class PBE.Util
extends Object

uses the appropriate mixer to generate the key and IV if necessary.

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static CipherParameters	makePBEMacParameters(BCPBEKey pbeKey, AlgorithmParameterSpec spec) generate a PBE based key suitable for a MAC algorithm, the key size is chosen according the MAC size, or the hashing algorithm, whichever is greater.
static CipherParameters	makePBEMacParameters(PBEKeySpec keySpec, int type, int hash, int keySize) generate a PBE based key suitable for a MAC algorithm, the key size is chosen according the MAC size, or the hashing algorithm, whichever is greater.
static CipherParameters	makePBEMacParameters(SecretKey key, int type, int hash, int keySize, PBEParameterSpec pbeSpec) generate a PBE based key suitable for a MAC algorithm, the key size is chosen according the MAC size, or the hashing algorithm, whichever is greater.
static CipherParameters	makePBEParameters(BCPBEKey pbeKey, AlgorithmParameterSpec spec, String targetAlgorithm) construct a key and iv (if necessary) suitable for use with a Cipher.
static CipherParameters	makePBEParameters(byte[] pbeKey, int scheme, int digest, int keySize, int ivSize, AlgorithmParameterSpec spec, String targetAlgorithm) construct a key and iv (if necessary) suitable for use with a Cipher.
static CipherParameters	makePBEParameters(PBEKeySpec keySpec, int type, int hash, int keySize, int ivSize) construct a key and iv (if necessary) suitable for use with a Cipher.

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

makePBEParameters

public static CipherParameters makePBEParameters(byte[] pbeKey,
                                                 int scheme,
                                                 int digest,
                                                 int keySize,
                                                 int ivSize,
                                                 AlgorithmParameterSpec spec,
                                                 String targetAlgorithm)
                                          throws InvalidAlgorithmParameterException

construct a key and iv (if necessary) suitable for use with a Cipher.

Throws:

InvalidAlgorithmParameterException

makePBEParameters

public static CipherParameters makePBEParameters(BCPBEKey pbeKey,
                                                 AlgorithmParameterSpec spec,
                                                 String targetAlgorithm)

construct a key and iv (if necessary) suitable for use with a Cipher.

makePBEMacParameters

public static CipherParameters makePBEMacParameters(BCPBEKey pbeKey,
                                                    AlgorithmParameterSpec spec)

generate a PBE based key suitable for a MAC algorithm, the key size is chosen according the MAC size, or the hashing algorithm, whichever is greater.

makePBEMacParameters

public static CipherParameters makePBEMacParameters(PBEKeySpec keySpec,
                                                    int type,
                                                    int hash,
                                                    int keySize)

generate a PBE based key suitable for a MAC algorithm, the key size is chosen according the MAC size, or the hashing algorithm, whichever is greater.

makePBEParameters

public static CipherParameters makePBEParameters(PBEKeySpec keySpec,
                                                 int type,
                                                 int hash,
                                                 int keySize,
                                                 int ivSize)

construct a key and iv (if necessary) suitable for use with a Cipher.

makePBEMacParameters

public static CipherParameters makePBEMacParameters(SecretKey key,
                                                    int type,
                                                    int hash,
                                                    int keySize,
                                                    PBEParameterSpec pbeSpec)

generate a PBE based key suitable for a MAC algorithm, the key size is chosen according the MAC size, or the hashing algorithm, whichever is greater.