/* Secure Password Generator by Pete Wright v1.0.0.0 */ function nfo() { var txt = ""; txt += "Secure Password Generator\n\n"; txt += "This program generates 'secure' passwords of given length, but at least 12 characters and no longer than 32 characters\n\n"; txt += "Here, a 'secure' password is defined as follows:\n\n"; txt += "The generated password has an even number of specific character types\n"; txt += "- lowercase letters (a-z)\n- uppercase letters (A-Z)\n- digits (0-9)\n- special characters (!?$&#@%+- etc.)\n\n"; txt += "This means that a 12 character password has exactly 3 lowercase letters, 3 uppercase letters, 3 digits and 3 special characters.\n\n"; txt += ""; alert(txt); } // some useful functions function el(e){ return document.getElementById(e); } function t() { return new Date().toTimeString().slice(0,8); } // ASCII characters: 33 - 126 / chars[0] - chars[93] var chars = "!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ{|}~"; var ch = "abcdefghijklmnopqrstuvwxyz0123456789!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~"; var lowercase = "abcdefghijklmnopqrstuvwxyz"; var uppercase = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; var digits = "0123456789"; var spec = "\!\"#\$%&\'\*\+,\-\.\/\:\;<\=>\?@\[\\\]\^_`\{\|\}~" var specialChars = eval("/[" + spec + "]/g"); ///[\!\"#\$%&\'\*\+,\-\.\/\:\;<\=>\?@\[\\\]\^_`\{\|\}~]/g; var password = ""; var attempts = 0; var pwds = new Array(); var err = "(" + t() + ") Error. User abort."; function getRndInteger(min, max) { return Math.floor(Math.random() * (max - min + 1) ) + min; } function generatePass(len){ var len = len; attempts = 0; var pass = ""; do { attempts++; pass = ""; for (var i = 0; i < len; i++ ){ pass += chars[getRndInteger(0, 93)]; } } while (validPass(pass) === false); return pass; } function securePass(pass) { //console.log("attempt: " + attempts); var x = pass; //console.log("pass =" + x); var digit = x.match(/[0-9]/g); //console.log("digit = " + digit); var lowChar = x.match(/[a-z]/g); //console.log("lowChar = " + lowChar); var upChar = x.match(/[A-Z]/g); //console.log("upChar = " + upChar); var special = x.match(specialChars); //console.log("special = " + special); var l = pass.length; var i = Math.floor(l/4); if (l < 12) return false; else if (digit === null || lowChar === null || upChar === null || special === null) return false; else if (digit.length < i || lowChar.length < i || upChar.length < i || special.length < i) return false; else return true; } function generateSecurePass(len) { //console.log(specialChars.length); var len = len; attempts = 0; var pass = ""; var ls = spec.length - 1; //console.log(ls); //console.log(spec[getRndInteger(0, ls)]); do { attempts++; pass = spec[getRndInteger(0, ls)]; for (var i = 0; i < len-1; i++ ){ pass += chars[getRndInteger(0, 93)]; } } while (securePass(pass) === false); return pass; } function pws() { var l = 0; while (l < 12 || l > 32) { l = prompt("Please enter password length (12 - 32 characters)", "12"); if (l == null) { console.error(err); return false; //break; } if (isNaN(l)) { alert("This is not a valid number."); return false; } } return l; } function pwOut(){ var l = password.length; var c = pwds.length; //console.log("(" + t() + ") pw " + c + ": " + password); //var str = password.replace(/[<]/g,"<"); //password = str; var pw = pwds[pwds.length-1]; var str = pw.replace(/[<]/g,"<"); var ts = t(); var el0 = "" var el1 = " "; var el2 = " ["; var el3 = "] "; el("tbl").innerHTML += el0 + c + el1 + ts + el2 + l + el3 + str + ""; el("pwlen").innerHTML = "(" + pwds.length + ")"; el("curr").innerHTML = str; //pwds[pwds.length-1]; } function gen() { var len = pws(); //console.log("len != null: " + (len != null)); //console.log("len != false: " + (len != false)); //console.log("len != null: && len != false: " + (len != null && len != false)); if (len != false) { len = parseInt(len); do{ password = generateSecurePass(len); alert(attempts + " attempt(s) to generate your password \nyour password is:\n" + password); pwds[pwds.length] = password; pwOut(); } while (confirm("generate another password with " + len + " characters?") == true); } }