for (int i = 0; i < keyLen; i++) {
            ipad[i] = (byte) (key[i] ^ 0x36);
            opad[i] = (byte) (key[i] ^ 0x5c);
        }
        for (int i = keyLen; i < 64; i++) {
            ipad[i] = 0x36;
            opad[i] = 0x5c;
        }

        // Calculate inner hash
        md5.reset();
        md5.update(ipad);
        md5.update(data);

        for (int i = 0; i < keyLen; i++) {
            ipad[i] = (byte) (key[i] ^ 0x36);
            opad[i] = (byte) (key[i] ^ 0x5c);
        }
        for (int i = keyLen; i < 64; i++) {
            ipad[i] = 0x36;
            opad[i] = 0x5c;
        }

        // Calculate inner hash
        md5.reset();
        md5.update(ipad);
        md5.update(data);

 */
public class HMACT64 extends MessageDigest implements Cloneable {

    private static final int BLOCK_LENGTH = 64;

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**

 */
class HMACT64 extends MessageDigest implements Cloneable {

    private static final int BLOCK_LENGTH = 64;

    private static final byte IPAD = (byte) 0x36;

    private static final byte OPAD = (byte) 0x5c;

    private final MessageDigest md5;

    private byte[] ipad = new byte[BLOCK_LENGTH];

    private byte[] opad = new byte[BLOCK_LENGTH];

    /**

    assertWellFormed(0xc9, 0x8b, 0x36, 0x32, 0xc9, 0x8b, 0x36, 0x32);
    // Mixed string
    // "a\u020ac\u00a2b\\u024B62u020acc\u00a2de\u024B62"
    assertWellFormed(
        0x61, 0xc8, 0x8a, 0x63, 0xc2, 0xa2, 0x62, 0x5c, 0x75, 0x30, 0x32, 0x34, 0x42, 0x36, 0x32,
        0x75, 0x30, 0x32, 0x30, 0x61, 0x63, 0x63, 0xc2, 0xa2, 0x64, 0x65, 0xc9, 0x8b, 0x36, 0x32);
    // Not a valid string
    assertNotWellFormed(-1, 0, -1, 0);
  }

0x73, 0x91, 0x1, 0xa9, 0x50, 0x61, 0x72, 0x74, 0x45, 0x54, 0x61, 0x67, 0x73, 0x91, 0xa0, 0xa9, 0x50, 0x61, 0x72, 0x74, 0x53, 0x69, 0x7a, 0x65, 0x73, 0x91, 0xd1, 0x1, 0x0, 0xaa, 0x50, 0x61, 0x72, 0x74, 0x41, 0x53, 0x69, 0x7a, 0x65, 0x73, 0x91, 0xd1, 0x1, 0x0, 0xa4, 0x53, 0x69, 0x7a, 0x65, 0xd1, 0x1, 0x0, 0xa5, 0x4d, 0x54, 0x69, 0x6d, 0x65, 0xd3, 0x16, 0xb2, 0x7f, 0xfe, 0x45, 0x1c, 0xf, 0x98, 0xa7, 0x4d, 0x65, 0x74, 0x61, 0x53, 0x79, 0x73, 0x81, 0xbc, 0x78, 0x2d, 0x6d, 0x69, 0x6e, 0x69, 0x6f, 0x2d,...

        buffer[64] = (byte) 0x4E; // NTLMSSP signature start
        buffer[65] = (byte) 0x54;
        buffer[66] = (byte) 0x4C;
        buffer[67] = (byte) 0x4D;
        buffer[68] = (byte) 0x53;
        buffer[69] = (byte) 0x53;
        buffer[70] = (byte) 0x50;
        buffer[71] = (byte) 0x00;

        return buffer;
    }

    }

    @Test
    @DisplayName("Should encode lease key to buffer")
    void testEncode() {
        byte[] testBytes = new byte[] { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, (byte) 0x88, (byte) 0x99, (byte) 0xAA, (byte) 0xBB,
                (byte) 0xCC, (byte) 0xDD, (byte) 0xEE, (byte) 0xFF, 0x00 };

        Smb2LeaseKey key = new Smb2LeaseKey(testBytes);
        byte[] buffer = new byte[20];

        key.encode(buffer, 2);

            when(mockNdrBuffer.dec_ndr_small()).thenReturn((int) (byte) 0x55, (int) (byte) 0x66, // clock seq bytes
                    (int) (byte) 0x07, (int) (byte) 0x08, (int) (byte) 0x09, (int) (byte) 0x0A, (int) (byte) 0x0B, (int) (byte) 0x0C // node bytes
            );
            when(mockNdrBuffer.derive(anyInt())).thenReturn(mockNdrBuffer);

        byte[] src = new byte[100];
        int srcIndex = 10;

        // Set up a minimal resource record response
        // Name pointer (0xC00C)
        src[srcIndex] = (byte) 0xC0;
        src[srcIndex + 1] = 0x0C;
        // Record type (NBSTAT = 0x0021)
        src[srcIndex + 2] = 0x00;
        src[srcIndex + 3] = 0x21;
        // Record class (IN = 0x0001)
        src[srcIndex + 4] = 0x00;
        src[srcIndex + 5] = 0x01;