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| Code | |||||
<html> <head> <title>JSPassGen v2.1</b></title> <script language="javascript"> <!-- //hide // JSPassGen v2.1 // Javascript password generator // by Ummon <jeffhawke@iname.com> // heavily based on Jpass v1.1 (Kelv 2000 kelv@kelv.net) // http://freshmeat.net/projects/jpass/ /* complete simply working javascript password generator file. Use letter, vowels, consonants (uppercase and lowercase) arrays to create a really random and secure password. improved security using time functions to initialize random number generator. can be embedded in html and can be used in HTML event handler like onclick and onmouseover. tested in Explorer, Netscape and Mozilla enviroment. This little script uses some arrays of consonants, vowels and digits to create a really random password As javascript doesn't have a reliable random function, it use more layers of randomizers than normally required for such a script. */ function choice(arg) //return random index number in valid range of arg array { return Math.floor(Math.random()*arg.length); } function randstr(arg) //return random argument of arg array { var str = ''; var seed = choice(arg); str = arg[seed]; return str; } function initialize() //use actual time to initialize random function as javascript doesn't provide an initialization function itself //to get more random, use getMilliseconds() function //don't use getTime() as it produces numbers larger than 1000 billions, eheh { var count=new Date().getSeconds(); for (c=0; c<count; c++) Math.random(); } function mkpass() { //use of initialize() can decrease speed of script. On really slow systems, disable it. initialize(); //password length var pass_len=10; var cons_lo = ['b','c','d','f','g','h','j','k','l','m','n','p','q','r','s','t','v','w','x','y','z'] ; var cons_up = ['B','C','D','F','G','H','J','K','L','M','N','P','Q','R','S','T','V','W','X','Y','Z'] ; var hard_cons_lo = ['b','c','d','f','g','h','k','m','p','s','t','v','z']; var hard_cons_up = ['B','C','D','F','G','H','K','M','P','S','T','V','Z']; var link_cons_lo = ['h','l','r']; var link_cons_up = ['H','L','R']; var vowels_lo = ['a','e','i','o','u']; var vowels_up = ['A','E','I','U']; //O (letter o) and 0 (number zero) get confused var digits = ['1','2','3','4','5','6','7','8','9']; //change at will how many times digits appears in names array. Order doesn't matter var names = [cons_lo, cons_up, digits, hard_cons_lo, hard_cons_up, digits, link_cons_lo, link_cons_up, digits, vowels_lo, vowels_up, digits]; var newpass= ''; for(i=0; i<pass_len; i++) newpass = newpass + randstr(names[choice(names)]); return newpass; } // --> </script> </head> <body bgcolor=#ffffff> <center> <b>JSPassGen v2.1</b><br> (c) 2002 <a href="mailto:jeffhawke@iname.com">Ummon</a> <br><br> Onclick event on button:<br> <form name="pswd"> <input type="text" name="pass" size="15"> <input type="button" value="Generate" onclick="document.pswd.pass.value=mkpass()"> </form> Onclick event on link:<br> <form name="pswd2"> <input type="text" name="pass" size="15"> <a href="javascript:void(0)" onclick="document.pswd2.pass.value=mkpass ()">Generate</a> </form> </center> </body> </html> | |||||
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