ASN1Integer original = new ASN1Integer(456);
        ByteArrayInputStream bais = new ByteArrayInputStream(original.getEncoded());
        ASN1InputStream ais = new ASN1InputStream(bais);
        ASN1Integer result = ASN1Util.as(ASN1Integer.class, ais);
        assertEquals(original, result);
    }

    @Test
    void testAs_ASN1InputStream_Failure() throws IOException {
        // Test failed casting from ASN1InputStream

            }

            this.aces = new ACE[numAces];
            for (int i = 0; i < numAces; i++) {
                this.aces[i] = new ACE();
                bufferIndex += this.aces[i].decode(buffer, bufferIndex, len - bufferIndex);
            }
        } else {
            this.aces = null;
        }

        return bufferIndex - start;
    }

                throw new IOException("Invalid SecurityDescriptor");
            }

            aces = new ACE[numAces];
            for (int i = 0; i < numAces; i++) {
                aces[i] = new ACE();
                bufferIndex += aces[i].decode(buffer, bufferIndex);
            }
        } else {
            aces = null;
        }

        return bufferIndex - start;
    }

    @Override

        // Determine key size based on cipher ID for AES-256 support
        int keyLength = getKeyLength();
        String transformation;

        // Select appropriate AES algorithm based on key length
        if (keyLength == 32) {
            // AES-256 support
            transformation = "AES/GCM/NoPadding";
        } else if (keyLength == 16) {
            // AES-128 (existing)

    /**
     * Processes access control entries (ACEs) for the given SMB1 file and adds them to the response data.
     *
     * @param responseData the response data to update
     * @param file the SMB1 file to process
     */
    protected void processAccessControlEntries(final ResponseData responseData, final SmbFile file) {
        try {
            final ACE[] aces = file.getSecurity(resolveSids);
            if (aces != null) {

        prepareSecurityDescriptorBufferWithDACL(testBuffer, 0, 3);

        securityDescriptor.decode(testBuffer, 0, testBuffer.length);

        ACE[] aces = securityDescriptor.getAces();
        assertNotNull(aces);
        assertEquals(3, aces.length);
        for (ACE ace : aces) {
            assertNotNull(ace);
        }
    }

    @Test
    @DisplayName("Test getOwnerUserSid returns correct SID")

 * the access mask of the ACE, the access check is successful. Otherwise,
 * more ACEs are evaluated until all desired access bits (combined)
 * are "allowed". If all of the desired access bits are not "allowed"
 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <code>WNET\alice</code> tries to open a file

 * the access mask of the ACE, the access check is successful. Otherwise,
 * more ACEs are evaluated until all desired access bits (combined)
 * are "allowed". If all of the desired access bits are not "allowed"
 * the then same process is repeated for inherited ACEs.
 * <p>
 * For example, if user <code>WNET\alice</code> tries to open a file

            ms_usage = 8;
        case 23:
            ms_usage = 13;
        }
        return ms_usage;
    }

    /**
     * Calculates a MAC using HMAC-SHA1 with AES key derivation.
     * This method supports both AES-128 and AES-256 encryption types.
     *
     * @param usage the Kerberos key usage number for this operation
     * @param baseKey the base Kerberos key for key derivation

        int processedEntries = 0;
        int failedEntries = 0;

        try (final ArchiveInputStream ais =
                archiveStreamFactory.createArchiveInputStream(in.markSupported() ? in : new BufferedInputStream(in))) {
            ZipArchiveEntry entry = null;
            long contentSize = 0;
            while ((entry = (ZipArchiveEntry) ais.getNextEntry()) != null) {
                contentSize += entry.getSize();