Function numBitsToBytes

lib/internal/crypto/util.js:559–561

* Converts a bit length to the number of bytes needed to contain it. * Non-byte lengths are rounded up to the next byte. * @param {number} length * @returns {number}

(length)

 * @returns {number}
 */
function numBitsToBytes(length) {
  return MathFloor(length / 8) + MathFloor((7 + (length % 8)) / 8);
}

/**
 * Copies `bytes` up to the byte length needed for `length` bits, then clears