Function option

lib/internal/crypto/keys.js:392–395

(name, prefix)

}

function option(name, prefix) {
  return prefix === undefined ?
    `options.${name}` : `${prefix}.${name}`;
}

function parseKeyFormatAndType(enc, keyType, isPublic, objName) {
  const { format: formatStr, type: typeStr } = enc;