Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
12 votes
3 answers
4k views

Ring -3 exploits and existence of other rings

Concept of Rings Rings were introduced in the forerunner of UNIX, Multics, and had 8 rings for reading, writing, executing and calling (I don't quite understand why it needed 8 rings to do this, if ...
LTPCGO's user avatar
  • 1,065
4 votes
2 answers
1k views

Does Intel or Arm support private key memory?

I know some security processors have an isolated bus where you can store a private key and use it with hardware encryption without the key ever being stored in memory. Some even have key storage ...
Michael Fox's user avatar