sam.hadow/e2ee-messaging-service
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nonce and iv size

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Sam Hadow 2025-03-19 13:27:01 +01:00
parent e1c1963084
commit bf71a47dc6
1 changed files with 2 additions and 2 deletions
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4
src/public/chat.js
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@ -111,8 +111,8 @@ export function create_listener(form, input, messages) {
function encrypt_message(message, user_pubkey) { function encrypt_message(message, user_pubkey) {
let encryption_key = sending_ratchets[user_pubkey].next(); let encryption_key = sending_ratchets[user_pubkey].next();
let encoded_msg = (new TextEncoder()).encode(message); let encoded_msg = (new TextEncoder()).encode(message);
let iv = generateRandomUint8Array(); let iv = generateRandomUint8Array(12);
let nonce = generateRandomUint8Array(); let nonce = generateRandomUint8Array(12);
let associated_data = concatUint8Arrays(fromHexString(user_pubkey), getRoundedUTCTime()); let associated_data = concatUint8Arrays(fromHexString(user_pubkey), getRoundedUTCTime());
let {cipher, tag} = keccakAEAD.encrypt(encryption_key, encoded_msg, iv, associated_data, nonce); let {cipher, tag} = keccakAEAD.encrypt(encryption_key, encoded_msg, iv, associated_data, nonce);
return {cipher: toHexString(cipher), return {cipher: toHexString(cipher),