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crypt beta

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Dario48true 2024-09-23 16:58:46 +02:00
parent 70b64b2251
commit bd5a51bccb
2 changed files with 87 additions and 0 deletions
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62
site/bin/crypt.js Normal file
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let encrypt = function() {
key = document.getElementById("key").value;
string = document.getElementById("plaintext").value;
if (typeof key !== "number") {
throw new Error("Key must be a number");
}
let resultArray = []
for (let i = 0; i < string.length; i++) {
if (string.charCodeAt(i) < 97 || string.charCodeAt(i) > 122) {
resultArray.push(string[i]);
continue;
}
let code = string.charCodeAt(i) + key;
while (code > 122) {
code = (code - 122) + 96;
}
resultArray.push(String.fromCharCode(code))
}
document.getElementById("encoded").value = resultArray.join(" ");
}
let bruteforce = function() {
let know_element = document.getElementById("know_element").value;
let string = document.getElementById("encoded").value;
if (typeof key !== "number") {
throw new Error("Key must be a number");
}
let resultArray = []
let workingKeys = []
for (key = 0; key < 26; key++) {
resultArray = decrypt(key, string);
if (resultArray.includes(know_element)) {
workingKeys.push(key);
}
}
document.getElementById("key").value = workingKeys.join(",");
}
let decrypt = function(key, string) {
resultArray = []
for (let i = 0; i < string.length; i++) {
if (string.charCodeAt(i) < 97 || string.charCodeAt(i) > 122) {
resultArray.push(string[i]);
continue;
}
let code = string.charCodeAt(i) - key;
while (code - 96) {
code = (code + 122) - 96;
}
resultArray.push(String.fromCharCode(code))
}
return resultArray.join(" ");
}
let manual_decrypt = function() {
let key = document.getElementById("key").value;
let string = document.getElementById("encoded").value;
document.getElementById("plaintext").value = decrypt(key, string);
}

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site/bin/index.html Normal file
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<!doctype html>
<html>
<head>
<title>/</title>
<link rel="stylesheet" href="/style.css" />
<script src="/script.js" defer></script>
</head>
<body id="body">
<div class="border">
<div class="column">
<div class="stretch row">
Dario48's website
<div style="aspect-ratio: 1 / 1">
<button
type="button"
onclick="document.getElementById('body').remove();"
>
X
</button>
</div>
</div>
</div>
</div>
</body>
</html>