class HMACT64Test {

    private static final byte[] TEST_KEY = "testkey".getBytes();
    private static final byte[] LONG_TEST_KEY = new byte[80]; // Longer than 64 bytes
    private static final byte[] SHORT_TEST_KEY = "short".getBytes();
    private static final byte[] TEST_DATA = "testdata".getBytes();
    private static final byte[] EMPTY_DATA = new byte[0];

    static {
        // Initialize long key with predictable data

    @Test
    void testWriteSetupWireFormat() {
        byte[] dst = new byte[10];
        int result = response.writeSetupWireFormat(dst, 0);
        assertEquals(0, result, "writeSetupWireFormat should always return 0.");
    }

    /**
     * Tests the writeParametersWireFormat method.
     */
    @Test
    void testWriteParametersWireFormat() {
        byte[] dst = new byte[10];

        assertEquals((byte) 0xFD, buffer[3]);
    }

    @Test
    @DisplayName("Should decode transform header from byte buffer")
    void testDecodeFromBuffer() {
        // Given
        byte[] buffer = new byte[52];
        int index = 0;

        // Protocol ID - 0xFD534D42 in little-endian
        buffer[index++] = (byte) 0x42;
        buffer[index++] = (byte) 0x4D;
        buffer[index++] = (byte) 0x53;

            request.setPadding((byte) 4);
            request.setReadFlags((byte) 0x02);

            // Update file ID
            byte[] newFileId = new byte[16];
            Arrays.fill(newFileId, (byte) 0xEF);
            request.setFileId(newFileId);

            // Write and verify
            byte[] buffer = new byte[256];

}{
	{
		SealExtKey: [32]byte{}, SealIV: [32]byte{}, SealDomain: "SSE-C", SealBucket: "bucket", SealObject: "object",
		UnsealExtKey: [32]byte{}, UnsealDomain: "SSE-C", UnsealBucket: "bucket", UnsealObject: "object",
		ShouldPass: true,
	}, // 0
	{
		SealExtKey: [32]byte{}, SealIV: [32]byte{}, SealDomain: "SSE-C", SealBucket: "bucket", SealObject: "object",

class MIENameTest {

    // Helper to build a valid buffer according to the expected layout.
    private static byte[] buildBuffer(byte[] oidDer, byte[] nameBytes) {
        byte[] tokId = new byte[] { 0x04, 0x01 };
        int oidLen = oidDer.length;
        int nameLen = nameBytes.length;

        byte[] buf = new byte[2 + 2 + oidLen + 4 + nameLen];
        int i = 0;
        // TOK_ID
        buf[i++] = tokId[0];

        dst[di] = (byte) (i & 0xFF);
        di++;
        dst[di++] = (byte) (i >> 8 & 0xFF);
        dst[di++] = (byte) (i >> 16 & 0xFF);
        dst[di] = (byte) (i >> 24 & 0xFF);
        return 4;
    }

    /* Decode integers
     */

    /**
     * Decodes a 16-bit unsigned integer from big-endian byte order.
     *

        byte[] buffer = new byte[50];
        int bufferIndex = 0;

        // SMB3 capabilities
        int testCapabilities = 0x0000002F; // DFS, LEASING, LARGE_MTU, MULTI_CHANNEL, PERSISTENT_HANDLES, DIRECTORY_LEASING

        // Random but realistic GUID
        byte[] testGuid = { (byte) 0x01, (byte) 0x23, (byte) 0x45, (byte) 0x67, (byte) 0x89, (byte) 0xAB, (byte) 0xCD, (byte) 0xEF,

        for (int i = 0; i < 24; i++) {
            assertEquals((byte) 0xAA, resumeKey[i], "Resume key byte " + i + " should be 0xAA");
        }
    }

    @Test
    @DisplayName("Test decode throws exception when length is too short")
    void testDecodeThrowsExceptionWhenLengthTooShort() {
        byte[] buffer = new byte[28];

        // Test with len = 23 (one byte too short)

        dst[di] = (byte) (i & 0xFF);
        di++;
        dst[di++] = (byte) (i >> 8 & 0xFF);
        dst[di++] = (byte) (i >> 16 & 0xFF);
        dst[di] = (byte) (i >> 24 & 0xFF);
        return 4;
    }

    /*
     * Decode integers
     */

    /**
     * Decodes a 16-bit unsigned integer from big-endian byte order.
     *