function cbc256Encryptimport { cbc256Encrypt } from "https://deno.land/x/tgcrypto@0.3.3/node/mod.ts"; cbc256Encrypt(data: Uint8Array,key: Uint8Array,iv: Uint8Array,): Uint8ArrayPerforms CBC-256 encryption. Parametersdata: Uint8ArrayThe unencrypted data, larger than a byte, divisible by 16 key: Uint8Array32-byte encryption key iv: Uint8Array16-byte initialization vector ReturnsUint8Array