@li0ard/kuznyechik/dist/modes/ecb.js

Kuznyechik cipher implementation in pure TypeScript

import { Kuznyechik, BLOCK_SIZE } from "../";
import { ecb_encrypt, ecb_decrypt } from "@li0ard/gost3413";
/**
 * Encrypts data using Electronic Codebook (ECB) mode with Kuznyechik cipher.
 *
 * @param key Encryption key
 * @param data Data to be encrypted
 * @returns {Uint8Array}
 */
export const encryptECB = (key, data) => {
    const cipher = new Kuznyechik(key);
    const encrypter = (buf) => cipher.encryptBlock(buf);
    return ecb_encrypt(encrypter, BLOCK_SIZE, data);
};
/**
 * Decrypts data using Electronic Codebook (ECB) mode with Kuznyechik cipher.
 *
 * @param key Encryption key
 * @param data Data to be decrypted
 * @returns {Uint8Array}
 */
export const decryptECB = (key, data) => {
    const cipher = new Kuznyechik(key);
    const decrypter = (buf) => cipher.decryptBlock(buf);
    return ecb_decrypt(decrypter, BLOCK_SIZE, data);
};