* @param salt the salt value for preauth integrity
     */
    public PreauthIntegrityNegotiateContext(final Configuration config, final int[] hashAlgos, final byte[] salt) {
        this.hashAlgos = hashAlgos;
        this.salt = salt;
    }

    /**
     * Default constructor for deserialization.
     */
    public PreauthIntegrityNegotiateContext() {
    }

    /**
     * Gets the salt value used for preauth integrity.

            PreauthIntegrityNegotiateContext context = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, null);

            assertEquals(8, context.size());
        }

        @Test
        @DisplayName("Should calculate size for salt only")
        void testSizeWithSaltOnly() {
            byte[] salt = { 0x01, 0x02, 0x03 };

            PreauthIntegrityNegotiateContext original = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, salt);

            // Encode
            byte[] buffer = new byte[1024];
            int encodedSize = original.encode(buffer, 0);

            // Decode
            PreauthIntegrityNegotiateContext decoded = new PreauthIntegrityNegotiateContext();

            PreauthIntegrityNegotiateContext originalContext = new PreauthIntegrityNegotiateContext(mockConfig, hashAlgos, salt);

            // Act
            byte[] buffer = new byte[originalContext.size()];
            int encodedSize = originalContext.encode(buffer, 0);

            PreauthIntegrityNegotiateContext decodedContext = new PreauthIntegrityNegotiateContext();

        assertNotNull(contexts);
        assertEquals(2, contexts.length);

        // Verify preauth context
        assertTrue(contexts[0] instanceof PreauthIntegrityNegotiateContext);
        assertEquals(PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE, contexts[0].getContextType());

        // Verify encryption context
        assertTrue(contexts[1] instanceof EncryptionNegotiateContext);

        }
        return ctx;
    }

    private PreauthIntegrityNegotiateContext createValidPreauthResponse() {
        PreauthIntegrityNegotiateContext ctx = new PreauthIntegrityNegotiateContext();
        try {
            setPrivateField(ctx, "hashAlgos", new int[] { PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512 });
        } catch (Exception e) {
            throw new RuntimeException(e);

                return false;
            } else if (!foundPreauth && ncr.getContextType() == PreauthIntegrityNegotiateContext.NEGO_CTX_PREAUTH_TYPE) {
                foundPreauth = true;
                final PreauthIntegrityNegotiateContext pi = (PreauthIntegrityNegotiateContext) ncr;
                if (!checkPreauthContext(req, pi)) {
                    return false;
                }

            final byte[] salt = new byte[32];
            config.getRandom().nextBytes(salt);
            negoContexts.add(
                    new PreauthIntegrityNegotiateContext(config, new int[] { PreauthIntegrityNegotiateContext.HASH_ALGO_SHA512 }, salt));
            this.preauthSalt = salt;

            if (config.isEncryptionEnabled()) {
                // Build cipher list based on AES-256 support

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.CIFSException;
import jcifs.internal.smb2.nego.PreauthIntegrityNegotiateContext;

/**
 * Enhanced Pre-Authentication Integrity Service for SMB 3.1.1.
 *
 * Provides comprehensive pre-authentication integrity protection against