43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
function entropy(password) {
|
|
var chars = [
|
|
"abcdefghijklmnopqrstuvwxyz",
|
|
"ABCDFEGHIJKLMNOPQRSTUVWXYZ",
|
|
"0123456789",
|
|
" !\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~§", // OWASP special chars
|
|
"áàâéèêíìîóòôúùûç"
|
|
];
|
|
|
|
used = new Set();
|
|
for(c in password) {
|
|
for(k in chars) {
|
|
if(chars[k].includes(password[c])) {
|
|
used.add(chars[k]);
|
|
}
|
|
}
|
|
}
|
|
return Math.log(Math.pow(Array.from(used).join("").length, password.length)) / Math.log(2);
|
|
}
|
|
|
|
function update_entropy(ev) {
|
|
var i = document.querySelector(".entropy").previousElementSibling;
|
|
var p = document.querySelector(".entropy");
|
|
var e = entropy(i.value);
|
|
|
|
p.classList.remove('low');
|
|
p.classList.remove('medium');
|
|
p.classList.remove('high');
|
|
|
|
if(e < 60) {
|
|
p.classList.add('low');
|
|
} else if(e < 100) {
|
|
p.classList.add('medium');
|
|
} else {
|
|
p.classList.add('high');
|
|
}
|
|
|
|
p.value = e;
|
|
}
|
|
|
|
document.querySelector(".entropy").previousElementSibling.addEventListener('input', update_entropy);
|
|
document.querySelector(".entropy").style.display = "block";
|