org.cryptacular.generator

Class SecretKeyGenerator

java.lang.Object

org.cryptacular.generator.SecretKeyGenerator

public final class SecretKeyGenerator
extends Object

Factory class with static methods for generating SecretKeys.

Author:

Middleware Services

Method Summary

Modifier and Type	Method and Description
static SecretKey	generate(org.bouncycastle.crypto.BlockCipher cipher) Generates a symmetric encryption key whose size is equal to the cipher block size.
static SecretKey	generate(int bitLength, org.bouncycastle.crypto.BlockCipher cipher) Generates a symmetric encryption key of the given length.
static SecretKey	generate(int bitLength, org.bouncycastle.crypto.BlockCipher cipher, SecureRandom random) Generates a symmetric encryption key of the given length.

Methods inherited from class java.lang.Object

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

Method Detail

generate

public static SecretKey generate(org.bouncycastle.crypto.BlockCipher cipher)

Generates a symmetric encryption key whose size is equal to the cipher block size.

Parameters:

cipher - Cipher with key will be used.

Returns:

Symmetric encryption key.

generate

public static SecretKey generate(int bitLength,
                                 org.bouncycastle.crypto.BlockCipher cipher)

Generates a symmetric encryption key of the given length.

Parameters:

bitLength - Desired key length in bits.

cipher - Cipher with key will be used.

Returns:

Symmetric encryption key.

generate

public static SecretKey generate(int bitLength,
                                 org.bouncycastle.crypto.BlockCipher cipher,
                                 SecureRandom random)

Generates a symmetric encryption key of the given length.

Parameters:

bitLength - Desired key length in bits.

cipher - Cipher with key will be used.

random - Randomness provider for key generation.

Returns:

Symmetric encryption key.