Method _negotiateARDAuthAsync

core/rfb.js:1835–1862

(keyLength, serverPublicKey, clientKey)

    }

    async _negotiateARDAuthAsync(keyLength, serverPublicKey, clientKey) {
        const clientPublicKey = legacyCrypto.exportKey("raw", clientKey.publicKey);
        const sharedKey = legacyCrypto.deriveBits(
            { name: "DH", public: serverPublicKey }, clientKey.privateKey, keyLength * 8);

        const username = encodeUTF8(this._rfbCredentials.username).substring(0, 63);
        const password = encodeUTF8(this._rfbCredentials.password).substring(0, 63);

        const credentials = window.crypto.getRandomValues(new Uint8Array(128));
        for (let i = 0; i < username.length; i++) {
            credentials[i] = username.charCodeAt(i);
        }
        credentials[username.length] = 0;
        for (let i = 0; i < password.length; i++) {
            credentials[64 + i] = password.charCodeAt(i);
        }
        credentials[64 + password.length] = 0;

        const key = await legacyCrypto.digest("MD5", sharedKey);
        const cipher = await legacyCrypto.importKey(
            "raw", key, { name: "AES-ECB" }, false, ["encrypt"]);
        const encrypted = await legacyCrypto.encrypt({ name: "AES-ECB" }, cipher, credentials);

        this._rfbCredentials.ardCredentials = encrypted;
        this._rfbCredentials.ardPublicKey = clientPublicKey;

        this._resumeAuthentication();
    }

    _negotiateTightUnixAuth() {
        if (this._rfbCredentials.username === undefined ||