jose/dist/webapi/lib/check_iv_length.js

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

import { JWEInvalid } from '../util/errors.js';
import { bitLength } from './iv.js';
export function checkIvLength(enc, iv) {
    if (iv.length << 3 !== bitLength(enc)) {
        throw new JWEInvalid('Invalid Initialization Vector length');
    }
}