import type { KalynaBase } from "../core";
/**
 * Encrypts data using Cipher Feedback (CFB) mode
 * @param cipherClass Initialized cipher class
 * @param data Data to be encrypted
 * @param iv Initialization vector
 * @param q Param `q`
 */
export declare const encryptCFB: (cipherClass: KalynaBase, data: Uint8Array, iv: Uint8Array, q?: number) => Uint8Array;
/**
 * Decrypts data using Cipher Feedback (CFB) mode
 * @param cipherClass Initialized cipher class
 * @param data Data to be decrypt
 * @param iv Initialization vector
 * @param q Param `q`
 */
export declare const decryptCFB: (cipherClass: KalynaBase, data: Uint8Array, iv: Uint8Array, q?: number) => Uint8Array;