Function hmac

src/crypto.ts:103–108

(algorithm: string, key: string, data: string | Buffer, encoding?: BinaryToTextEncoding)

 * @return {String} digest string.
 */
export function hmac(algorithm: string, key: string, data: string | Buffer, encoding?: BinaryToTextEncoding): string {
  encoding = encoding || 'base64';
  const hmac = createHmac(algorithm, key);
  hmac.update(data as string, Buffer.isBuffer(data) ? 'binary' : 'utf8');
  return hmac.digest(encoding);
}

/**
 * Base64 encode string.