Function getCryptoKeyUsagesMask

lib/internal/crypto/keys.js:1189–1191

* Returns the CryptoKey's native `[[usages]]` mask. * @param {CryptoKey} key * @returns {number}

(key)

 * @returns {number}
 */
function getCryptoKeyUsagesMask(key) {
  return getSlots(key)[kSlotUsagesMask];
}

/**
 * Returns whether a CryptoKey's `[[usages]]` contains `usage`.