In another question, Thomas' answer mentioned the AES-NI instruction set, which piqued my curiosity.
Is there a tool or process available out there to check whether the instruction set is available (besides comparing CPU model numbers)?
On Linux systems, do :
This will give, for each CPU core, the list of what that core can do. The AES-NI instructions are there when the flag "
For Windows, see this question on SuperUser.
I'm not a low level hardware person any more, but an example from this post regarding a FreeBSD implemention shows you can grab info from Features2: