If your code requires the skill of a linked-list expert to get a review, then yes, use it.
On the other hand, your specific question, is pretty much on the fence, and it would benefit from expert review... so, I say:
Yes - tag it
On the other hand, most of the other questions mentioning AES, should not be tagged with it.
So, questions like this should be tagged:
But, questions like this should not: