Method createSignedHmacBody

src/http.js:220–228

* Create JWS HTTP request body using HMAC * * @param {string} hmacKey HMAC key * @param {string} url Request URL * @param {object} [payload] Request payload * @param {object} [opts] * @param {string} [opts.nonce] JWS anti-replay nonce * @param {string} [opts.kid] J

(hmacKey, url, payload = null, {nonce = null, kid = null} = {})

     */

    createSignedHmacBody(hmacKey, url, payload = null, {nonce = null, kid = null} = {}) {
        const result = this.prepareSignedBody('HS256', url, payload, {nonce, kid});

        /* Signature */
        const signer = createHmac('SHA256', Buffer.from(hmacKey, 'base64')).update(`${result.protected}.${result.payload}`, 'utf8');
        result.signature = signer.digest().toString('base64url');

        return result;
    }

    /**
     * Create JWS HTTP request body using RSA or ECC