script.js

// Function to toggle the menu icon and menu items for mobile view
        function toggleMenu() {
            var menuItems = document.getElementById("menuItems");
            menuItems.classList.toggle("active");
            var menuIcon = document.querySelector(".menu-icon");
            menuIcon.classList.toggle("change");
        }

        // Function to handle form submission and hash calculation
        document.getElementById("hashForm").addEventListener("submit", function(event) {
            event.preventDefault();

            var hashType = document.getElementById("hashType").value;
            var inputString = document.getElementById("inputString").value;
            var fileInput = document.getElementById("fileInput").files[0];
            var includeSalt = document.getElementById("includeSalt").checked;
            var hashValue = "";
            var button = document.querySelector('input[type="submit"]');
            button.classList.add("clicked");

            // Check if the user has entered a string or selected a file
            if (inputString) {
                hashValue = calculateHash(inputString, hashType, includeSalt);
                displayHash(hashValue);
            } else if (fileInput) {
                // Read the file and hash its content
                var reader = new FileReader();
                reader.onload = function(event) {
                    var fileContent = event.target.result;
                    hashValue = calculateHash(fileContent, hashType, includeSalt);
                    displayHash(hashValue);
                };
                reader.readAsText(fileInput);
            } else {
                alert("Please enter a string or select a file.");
            }
        });
        
        // Function to calculate hash based on hash type
        function calculateHash(input, hashType, includeSalt) {
            if (includeSalt) {
                // Generate a random salt (you may use a more secure method for generating salt)
                var salt = Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);
                input += salt; // Concatenate salt with input string
            }

            switch(hashType) {
                case "md5":
                    return CryptoJS.MD5(input).toString();
                case "sha1":
                    return CryptoJS.SHA1(input).toString();
                case "sha256":
                    return CryptoJS.SHA256(input).toString();
                case "sha512":
                    return CryptoJS.SHA512(input).toString();
                default:
                    return "Invalid hash type";
            }
        }

        // Function to display hash value
        function displayHash(hash) {
            document.getElementById("hashValue").value = hash;
        }

        function checkHash() {
            var hashValue = document.getElementById("hashValue").value;
            
            // Replace 'YOUR_VIRUSTOTAL_API_KEY' with your actual VirusTotal API key
            var apiKey = '23a6ae0465a40999898a0fb284e21b1f611d91ca25a8999d54704a97d89b014c';

            // VirusTotal API endpoint for hash lookup
            var apiUrl = `https://www.virustotal.com/vtapi/v2/file/report?apikey=${apiKey}&resource=${hashValue}`;

            // Make a GET request to the VirusTotal API
            fetch(apiUrl)
                .then(response => response.json())
                .then(data => {
                    // Check the response from VirusTotal
                    if (data.response_code === 1) {
                        // File has been scanned and results are available
                        displayStatus(data.positives > 0);
                    } else {
                        // File not found in VirusTotal database
                        displayStatus(false);
                    }
                })
                .catch(error => {
                    console.error('Error fetching data from VirusTotal:', error);
                    displayStatus(false);
                });
        }

        // Function to display the status based on VirusTotal results
        function displayStatus(isMalicious) {
            var statusElement = document.getElementById("status");
            statusElement.textContent = isMalicious ? "Malicious" : "Not Malicious";
            statusElement.className = isMalicious ? "malicious" : "safe";
        }

        // Function to copy hash value to clipboard
        function copyHashValue() {
            var hashValue = document.getElementById("hashValue");
            hashValue.select();
            hashValue.setSelectionRange(0, 99999); // For mobile devices
            document.execCommand("copy");
            alert("Hash value copied to clipboard!");
        }

        // Function to show the main content after loading
        window.onload = function() {
            document.getElementById("loadingScreen").style.display = "none";
            document.querySelector('.container').style.display = "block";
        };