org.cryptacular.generator

Class SecretKeyGenerator

java.lang.Object

org.cryptacular.generator.SecretKeyGenerator

public final class SecretKeyGenerator
extends java.lang.Object

Factory class with static methods for generating SecretKeys.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	SecretKeyGenerator() Private constructor of static class.

Method Summary

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

Constructor Detail

SecretKeyGenerator

private SecretKeyGenerator()

Private constructor of static class.

Method Detail

generate

public static javax.crypto.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 with key will be used.

Returns:

Symmetric encryption key.

generate

public static javax.crypto.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 with key will be used.

Returns:

Symmetric encryption key.

generate

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

Generates a symmetric encryption key of the given length.

Parameters:

bitLength - Desired key length in bits.

cipher - Cipher with with key will be used.

random - Randomness provider for key generation.

Returns:

Symmetric encryption key.