byte[] key7 = Arrays.copyOfRange(key14, 0, 7);
        byte[] data8 = NtlmUtil.S8;
        byte[] out14 = new byte[16];
        byte[] out7 = new byte[8];

        // Act
        NtlmUtil.E(key14, data8, out14);
        NtlmUtil.E(key7, data8, out7);

        // Assert: first block identical to single-chunk encryption
        assertArrayEquals(Arrays.copyOfRange(out14, 0, 8), out7);

            for (int i = 0; i < threadCount; i++) {
                byte[] sig1 = Arrays.copyOfRange(results[i], SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH);
                for (int j = i + 1; j < threadCount; j++) {
                    byte[] sig2 = Arrays.copyOfRange(results[j], SIGNATURE_OFFSET, SIGNATURE_OFFSET + SIGNATURE_LENGTH);

        assertEquals(dataLength, response.getDataLength());
        assertEquals(dataRemaining, response.getDataRemaining());

        // Verify data was copied to output buffer
        byte[] copiedData = Arrays.copyOfRange(outputBuffer, 0, dataLength);
        assertArrayEquals(testData, copiedData);
    }

    @Test
    @DisplayName("Should throw exception when output buffer too small")