@li0ard/kalyna/dist/modes/ofb.js

Kalyna (DSTU 7624:2014) cipher implementation in pure TypeScript

import { ofb as ofb_ } from "@li0ard/gost3413";
/**
 * Proceed data using the Output Feedback (OFB) mode
 * @param cipherClass Initialized cipher class
 * @param data Data to be encrypted/decrypted
 * @param iv Initialization vector
 */
export const ofb = (cipherClass, data, iv) => {
    const encrypter = (buf) => (cipherClass.encrypt(buf));
    return ofb_(encrypter, cipherClass.blockSize, data, iv);
};