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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
package org.bouncycastle.crypto.params;
import org.bouncycastle.crypto.CipherParameters;
import org.bouncycastle.util.Arrays;
/**
* Blake3 Parameters.
*/
public class Blake3Parameters
implements CipherParameters
{
/**
* The key length.
*/
private static final int KEYLEN = 32;
/**
* The key.
*/
private byte[] theKey;
/**
* The context.
*/
private byte[] theContext;
/**
* Create a key parameter.
* @param pContext the context
* @return the parameter
*/
public static Blake3Parameters context(final byte[] pContext)
{
if (pContext == null)
{
throw new IllegalArgumentException("Invalid context");
}
final Blake3Parameters myParams = new Blake3Parameters();
myParams.theContext = Arrays.clone(pContext);
return myParams;
}
/**
* Create a key parameter.
* @param pKey the key
* @return the parameter
*/
public static Blake3Parameters key(final byte[] pKey)
{
if (pKey == null || pKey.length != KEYLEN)
{
throw new IllegalArgumentException("Invalid keyLength");
}
final Blake3Parameters myParams = new Blake3Parameters();
myParams.theKey = Arrays.clone(pKey);
return myParams;
}
/**
* Obtain the key.
* @return the key
*/
public byte[] getKey()
{
return Arrays.clone(theKey);
}
/**
* Clear the key bytes.
*/
public void clearKey()
{
Arrays.fill(theKey, (byte) 0);
}
/**
* Obtain the salt.
* @return the salt
*/
public byte[] getContext()
{
return Arrays.clone(theContext);
}
}