zero-knowledge file sharing
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123456789101112131415161718192021222324import { importKey, encrypt, decrypt } from "./crypto";
self.onmessage = async (e: MessageEvent) => { const { type, keyEncoded } = e.data; try { const key = await importKey(keyEncoded);
if (type === "encrypt") { const { fileName, fileBuffer } = e.data; const ciphertext = await encrypt(fileName, fileBuffer, key); self.postMessage({ ciphertext }, [ciphertext.buffer]); } else if (type === "decrypt") { const { ciphertext } = e.data; const { fileName, fileData } = await decrypt( new Uint8Array(ciphertext), key, ); self.postMessage({ fileName, fileData }, [fileData.buffer]); } } catch (err: any) { self.postMessage({ error: err.message }); }};