Class Blake3Mac

core/src/main/java/org/bouncycastle/crypto/macs/Blake3Mac.java:12–82

Bouncy implementation of Blake3Mac.

 * Bouncy implementation of Blake3Mac.
 */
public class Blake3Mac
    implements Mac
{
    /**
     * Digest.
     */
    private final Blake3Digest theDigest;

    /**
     * Create a blake3Mac with the specified digest.
     *
     * @param pDigest the base digest.
     */
    public Blake3Mac(final Blake3Digest pDigest)
    {
        /* Store the digest */
        theDigest = pDigest;
    }

    public String getAlgorithmName()
    {
        return theDigest.getAlgorithmName() + "Mac";
    }

    public void init(final CipherParameters pParams)
    {
        CipherParameters myParams = pParams;
        if (myParams instanceof KeyParameter)
        {
            myParams = Blake3Parameters.key(((KeyParameter)myParams).getKey());
        }
        if (!(myParams instanceof Blake3Parameters))
        {
            throw new IllegalArgumentException("Invalid parameter passed to Blake3Mac init - "
                + pParams.getClass().getName());
        }
        final Blake3Parameters myBlakeParams = (Blake3Parameters)myParams;
        if (myBlakeParams.getKey() == null)
        {
            throw new IllegalArgumentException("Blake3Mac requires a key parameter.");
        }

        /* Configure the digest */
        theDigest.init(myBlakeParams);
    }

    public int getMacSize()
    {
        return theDigest.getDigestSize();
    }

    public void update(final byte in)
    {
        theDigest.update(in);
    }

    public void update(final byte[] in, final int inOff, final int len)
    {