Linux Verify That Processor/CPU Has the AES-NI Instruction

Fig.01: Linux Verify That Processor/CPU Has the AES-NI Instruction

Fig.01: Linux Verify That Processor/CPU Has the AES-NI Instruction

To check that the processor is supported and Linux detected the AES-NI, type:
# grep -m1 -o aes /proc/cpuinfo
Sample outputs:

aes

No outputs means your CPU is without the AES-NI instruction set.

More on your cpu

To find out and display information about the CPU architecture, enter:
# less /proc/cpuinfo
OR
# cpuid
OR
# lscpu
Sample outputs:

Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                4
On-line CPU(s) list:   0-3
Thread(s) per core:    2
Core(s) per socket:    2
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 28
Model name:            Intel(R) Atom(TM) CPU D510   @ 1.66GHz
Stepping:              10
CPU MHz:               1662.576
BogoMIPS:              3325.15
L1d cache:             24K
L1i cache:             32K
L2 cache:              512K
NUMA node0 CPU(s):     0-3

Examples and usage: How to find out AES-NI (Advanced Encryption) Enabled on Linux System