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by kig
22 days ago
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For fun, here's a copy-paste-into-devtools version: (async()=>{const r=await fetch(`data:text/plain;base64,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`),d=r.body.pipeThrough(new DecompressionStream('gzip')),t=await new Response(d).text();eval(t);})(); |
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async function p(){let e=document.createElement("input");e.type="file",e.onchange=async e=>{let t=e.target.files[0];if(!t)return;let a=await t.arrayBuffer(),n=new Uint8Array(a),i=prompt("Enter password:");if(!i)return;let c=window.crypto.subtle,r=new TextEncoder().encode(i),l=await c.importKey("raw",r,"PBKDF2",!1,["deriveKey"]),s;try{let o=n.slice(0,16),y=n.slice(16,32),w=n.slice(32),p=await c.deriveKey({name:"PBKDF2",salt:o,iterations:1e5,hash:"SHA-256"},l,{name:"AES-GCM",length:256},!1,["decrypt"]),d=await c.decrypt({name:"AES-GCM",iv:y},p,w);s=new Uint8Array(d),console.log("File successfully decrypted!")}catch(m){console.log("Decryption failed. Proceeding with encryption...");let $=crypto.getRandomValues(new Uint8Array(16)),h=crypto.getRandomValues(new Uint8Array(16)),f=await c.deriveKey({name:"PBKDF2",salt:$,iterations:1e5,hash:"SHA-256"},l,{name:"AES-GCM",length:256},!1,["encrypt"]),g=await c.encrypt({name:"AES-GCM",iv:h},f,n),u=new Uint8Array(g);(s=new Uint8Array(32+u.byteLength)).set($,0),s.set(h,16),s.set(u,32)}let _;_=t.name.endsWith(".enc")?t.name.slice(0,-4):t.name+".enc";let E=new Blob([s],{type:"application/octet-stream"}),K=document.createElement("a");K.href=URL.createObjectURL(E),K.download=_,K.click(),URL.revokeObjectURL(K.href)},e.click()};p()