}

        @Test
        @DisplayName("Should encode salt only (no hash algorithms)")
        void testEncodeSaltOnly() {
            byte[] salt = { 0x0A, 0x0B, 0x0C };
            PreauthIntegrityNegotiateContext context = new PreauthIntegrityNegotiateContext(mockConfig, null, salt);

            int bytesWritten = context.encode(buffer, 0);

    public void testBufferReuse() {
        // Given - Get and release a buffer with specific content
        byte[] buffer1 = BufferCache.getBuffer();
        buffer1[0] = (byte) 0xAB;
        buffer1[1] = (byte) 0xCD;
        BufferCache.releaseBuffer(buffer1);

        // When - Get another buffer (might be the same one from cache)
        byte[] buffer2 = BufferCache.getBuffer();

        // Then - Buffer should be valid

    byte[] key = base16().lowerCase().decode("0102030405060708090a0b0c0d0e0f10111213141516171819");
    byte[] data = fillByteArray(50, 0xcd);

    checkSha1("4c9007f4026250c6bc8414f9bf50c86c2d7235da", key, data);
  }

  public void testRfc2202_hmacSha1_case5() {
    byte[] key = fillByteArray(20, 0x0c);
    String data = "Test With Truncation";

    checkSha1("4c1a03424b55e07fe7f27be1d58bb9324a9a5a04", key, data);
  }

	// string "NextCycle"
	o = append(o, 0xa9, 0x4e, 0x65, 0x78, 0x74, 0x43, 0x79, 0x63, 0x6c, 0x65)
	o = msgp.AppendUint32(o, z.NextCycle)
	// string "LastUpdate"
	o = append(o, 0xaa, 0x4c, 0x61, 0x73, 0x74, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65)
	o = msgp.AppendTime(o, z.LastUpdate)
	// string "SkipHealing"
	o = append(o, 0xab, 0x53, 0x6b, 0x69, 0x70, 0x48, 0x65, 0x61, 0x6c, 0x69, 0x6e, 0x67)
	o = msgp.AppendBool(o, z.SkipHealing)
	return
}

     */
    int RPC_PT_FAULT = 0x03;
    /**
     * Bind packet type - establishes context
     */
    int RPC_PT_BIND = 0x0B;
    /**
     * Bind acknowledgment packet type
     */
    int RPC_PT_BIND_ACK = 0x0C;
    /**
     * Bind negative acknowledgment packet type
     */
    int RPC_PT_BIND_NAK = 0x0D;
    /**
     * Alter context packet type
     */
    int RPC_PT_ALTER_CONTEXT = 0x0E;
    /**

 */
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];

    /**

                    0x0A, 0x0B, 0x0C, 0x0D // Salt
            };

            // Act
            int decodedSize = context.decode(buffer, 0, buffer.length);

            // Assert
            assertEquals(12, decodedSize);
            assertArrayEquals(new int[] { 1, 2 }, context.getHashAlgos());
            assertArrayEquals(new byte[] { 0x0A, 0x0B, 0x0C, 0x0D }, context.getSalt());
        }

        final int start = dstIndex;
        if (recordName == questionName) {
            dst[dstIndex] = (byte) 0xC0; // label string pointer to
            dstIndex++;
            dst[dstIndex++] = (byte) 0x0C; // questionName (offset 12)
        } else {
            dstIndex += recordName.writeWireFormat(dst, dstIndex);
        }
        writeInt2(recordType, dst, dstIndex);

        final int start = dstIndex;
        if (this.recordName == this.questionName) {
            dst[dstIndex] = (byte) 0xC0; // label string pointer to
            dstIndex++;
            dst[dstIndex++] = (byte) 0x0C; // questionName (offset 12)
        } else {
            dstIndex += this.recordName.writeWireFormat(dst, dstIndex);
        }