GramJS

messages.AcceptEncryption

Confirms creation of a secret chat

Example

const { Api, TelegramClient } = require("telegram");
const { StringSession } = require("telegram/sessions");

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result = await client.invoke(
    new Api.messages.AcceptEncryption({
      peer: new Api.InputEncryptedChat({
        chatId: 43,
        accessHash: BigInt("-4156887774564"),
      }),
      gB: Buffer.from("arbitrary data here"),
      keyFingerprint: BigInt("-4156887774564"),
    })
  );
  console.log(result); // prints the result
})();
import { Api, TelegramClient } from "telegram";
import { StringSession } from "telegram/sessions";

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result: Api.EncryptedChat = await client.invoke(
    new Api.messages.AcceptEncryption({
      peer: new Api.InputEncryptedChat({
        chatId: 43,
        accessHash: BigInt("-4156887774564"),
      }),
      gB: Buffer.from("arbitrary data here"),
      keyFingerprint: BigInt("-4156887774564"),
    })
  );
  console.log(result); // prints the result
})();

Parameters

NameTypeDescription
peerInputEncryptedChatSecret chat ID
gBbytesB = g ^ b mod p, see Wikipedia
keyFingerprintlong64-bit fingerprint of the received key

Result

EncryptedChat

Possible errors

CodeTypeDescription
400CHAT_ID_INVALIDThe provided chat id is invalid
400ENCRYPTION_ALREADY_ACCEPTEDSecret chat already accepted
400ENCRYPTION_ALREADY_DECLINEDThe secret chat was already declined

Can bots use this method?

No