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hash.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Hashing</title>
<link rel="stylesheet" type="text/css" href="main.css">
<style>
table {
margin-top: 1em;
overflow-x: scroll;
scrollbar-width: none;
&::-webkit-scrollbar {
display: none;
}
td:first-child {
font-weight: bold;
}
}
</style>
</head>
<body>
<header>
<h1><a href="index.html">Tools</a></h1>
</header>
<main>
<header class="bar">
<h2>Hashing</h2>
</header>
<input type="text" oninput="calculateHashes()" name="source" placeholder="Type something...">
<table hidden>
<tr>
<td>md5</td>
<td id="md5"></td>
</tr>
<tr>
<td>SHA‑1</td>
<td id="sha-1"></td>
</tr>
<tr>
<td>SHA‑256</td>
<td id="sha-256"></td>
</tr>
<tr>
<td>SHA‑384</td>
<td id="sha-384"></td>
</tr>
<tr>
<td>SHA‑512</td>
<td id="sha-512"></td>
</tr>
</table>
<script>
const encoder = new TextEncoder();
const input = document.querySelector("input");
const table = document.querySelector("table");
async function calculateHashes() {
const data = input.value;
const skip = data == "";
table.style.display = skip ? "none" : "block";
if(skip) return;
document.getElementById("md5").innerText = await calculateHash('MD5', data);
document.getElementById("sha-1").innerText = await calculateHash('SHA-1', data);
document.getElementById("sha-256").innerText = await calculateHash('SHA-256', data);
document.getElementById("sha-384").innerText = await calculateHash('SHA-384', data);
document.getElementById("sha-512").innerText = await calculateHash('SHA-512', data);
}
async function calculateHash(algorithm, input) {
if(algorithm == "MD5") return md5(input);
const data = encoder.encode(input);
const buffer = await crypto.subtle.digest(algorithm, data);
return Array.from(new Uint8Array(buffer)).map(byte => byte.toString(16).padStart(2, '0')).join('');
}
// Credits: Paul Johnston & Greg Holt, and dkellner for the magic <3
// See <https://stackoverflow.com/a/60467595>.
function md5(inputString) {
var hc="0123456789abcdef";
function rh(n) {var j,s="";for(j=0;j<=3;j++) s+=hc.charAt((n>>(j*8+4))&0x0F)+hc.charAt((n>>(j*8))&0x0F);return s;}
function ad(x,y) {var l=(x&0xFFFF)+(y&0xFFFF);var m=(x>>16)+(y>>16)+(l>>16);return (m<<16)|(l&0xFFFF);}
function rl(n,c) {return (n<<c)|(n>>>(32-c));}
function cm(q,a,b,x,s,t) {return ad(rl(ad(ad(a,q),ad(x,t)),s),b);}
function ff(a,b,c,d,x,s,t) {return cm((b&c)|((~b)&d),a,b,x,s,t);}
function gg(a,b,c,d,x,s,t) {return cm((b&d)|(c&(~d)),a,b,x,s,t);}
function hh(a,b,c,d,x,s,t) {return cm(b^c^d,a,b,x,s,t);}
function ii(a,b,c,d,x,s,t) {return cm(c^(b|(~d)),a,b,x,s,t);}
function sb(x) {
var i;var nblk=((x.length+8)>>6)+1;var blks=new Array(nblk*16);for(i=0;i<nblk*16;i++) blks[i]=0;
for(i=0;i<x.length;i++) blks[i>>2]|=x.charCodeAt(i)<<((i%4)*8);
blks[i>>2]|=0x80<<((i%4)*8);blks[nblk*16-2]=x.length*8;return blks;
}
var i,x=sb(""+inputString),a=1732584193,b=-271733879,c=-1732584194,d=271733878,olda,oldb,oldc,oldd;
for(i=0;i<x.length;i+=16) {olda=a;oldb=b;oldc=c;oldd=d;
a=ff(a,b,c,d,x[i+ 0], 7, -680876936);d=ff(d,a,b,c,x[i+ 1],12, -389564586);c=ff(c,d,a,b,x[i+ 2],17, 606105819);
b=ff(b,c,d,a,x[i+ 3],22,-1044525330);a=ff(a,b,c,d,x[i+ 4], 7, -176418897);d=ff(d,a,b,c,x[i+ 5],12, 1200080426);
c=ff(c,d,a,b,x[i+ 6],17,-1473231341);b=ff(b,c,d,a,x[i+ 7],22, -45705983);a=ff(a,b,c,d,x[i+ 8], 7, 1770035416);
d=ff(d,a,b,c,x[i+ 9],12,-1958414417);c=ff(c,d,a,b,x[i+10],17, -42063);b=ff(b,c,d,a,x[i+11],22,-1990404162);
a=ff(a,b,c,d,x[i+12], 7, 1804603682);d=ff(d,a,b,c,x[i+13],12, -40341101);c=ff(c,d,a,b,x[i+14],17,-1502002290);
b=ff(b,c,d,a,x[i+15],22, 1236535329);a=gg(a,b,c,d,x[i+ 1], 5, -165796510);d=gg(d,a,b,c,x[i+ 6], 9,-1069501632);
c=gg(c,d,a,b,x[i+11],14, 643717713);b=gg(b,c,d,a,x[i+ 0],20, -373897302);a=gg(a,b,c,d,x[i+ 5], 5, -701558691);
d=gg(d,a,b,c,x[i+10], 9, 38016083);c=gg(c,d,a,b,x[i+15],14, -660478335);b=gg(b,c,d,a,x[i+ 4],20, -405537848);
a=gg(a,b,c,d,x[i+ 9], 5, 568446438);d=gg(d,a,b,c,x[i+14], 9,-1019803690);c=gg(c,d,a,b,x[i+ 3],14, -187363961);
b=gg(b,c,d,a,x[i+ 8],20, 1163531501);a=gg(a,b,c,d,x[i+13], 5,-1444681467);d=gg(d,a,b,c,x[i+ 2], 9, -51403784);
c=gg(c,d,a,b,x[i+ 7],14, 1735328473);b=gg(b,c,d,a,x[i+12],20,-1926607734);a=hh(a,b,c,d,x[i+ 5], 4, -378558);
d=hh(d,a,b,c,x[i+ 8],11,-2022574463);c=hh(c,d,a,b,x[i+11],16, 1839030562);b=hh(b,c,d,a,x[i+14],23, -35309556);
a=hh(a,b,c,d,x[i+ 1], 4,-1530992060);d=hh(d,a,b,c,x[i+ 4],11, 1272893353);c=hh(c,d,a,b,x[i+ 7],16, -155497632);
b=hh(b,c,d,a,x[i+10],23,-1094730640);a=hh(a,b,c,d,x[i+13], 4, 681279174);d=hh(d,a,b,c,x[i+ 0],11, -358537222);
c=hh(c,d,a,b,x[i+ 3],16, -722521979);b=hh(b,c,d,a,x[i+ 6],23, 76029189);a=hh(a,b,c,d,x[i+ 9], 4, -640364487);
d=hh(d,a,b,c,x[i+12],11, -421815835);c=hh(c,d,a,b,x[i+15],16, 530742520);b=hh(b,c,d,a,x[i+ 2],23, -995338651);
a=ii(a,b,c,d,x[i+ 0], 6, -198630844);d=ii(d,a,b,c,x[i+ 7],10, 1126891415);c=ii(c,d,a,b,x[i+14],15,-1416354905);
b=ii(b,c,d,a,x[i+ 5],21, -57434055);a=ii(a,b,c,d,x[i+12], 6, 1700485571);d=ii(d,a,b,c,x[i+ 3],10,-1894986606);
c=ii(c,d,a,b,x[i+10],15, -1051523);b=ii(b,c,d,a,x[i+ 1],21,-2054922799);a=ii(a,b,c,d,x[i+ 8], 6, 1873313359);
d=ii(d,a,b,c,x[i+15],10, -30611744);c=ii(c,d,a,b,x[i+ 6],15,-1560198380);b=ii(b,c,d,a,x[i+13],21, 1309151649);
a=ii(a,b,c,d,x[i+ 4], 6, -145523070);d=ii(d,a,b,c,x[i+11],10,-1120210379);c=ii(c,d,a,b,x[i+ 2],15, 718787259);
b=ii(b,c,d,a,x[i+ 9],21, -343485551);a=ad(a,olda);b=ad(b,oldb);c=ad(c,oldc);d=ad(d,oldd);
}
return rh(a)+rh(b)+rh(c)+rh(d);
}
window.onload = calculateHashes();
</script>
</main>
<script src="//instant.page/5.2.0" type="module" integrity="sha384-jnZyxPjiipYXnSU0ygqeac2q7CVYMbh84q0uHVRRxEtvFPiQYbXWUorga2aqZJ0z"></script>
</body>
</html>