pi@raspberrypi:~ $ openssl speed -evp aes-128-cbc
Doing AES-128-CBC for 3s on 16 size blocks: 115311717 AES-128-CBC's in 2.94s
Doing AES-128-CBC for 3s on 64 size blocks: 60251350 AES-128-CBC's in 2.94s
Doing AES-128-CBC for 3s on 256 size blocks: 19864294 AES-128-CBC's in 2.96s
Doing AES-128-CBC for 3s on 1024 size blocks: 5348804 AES-128-CBC's in 2.96s
Doing AES-128-CBC for 3s on 8192 size blocks: 687652 AES-128-CBC's in 2.95s
Doing AES-128-CBC for 3s on 16384 size blocks: 344705 AES-128-CBC's in 2.97s
version: 3.0.11
built on: Mon Oct 23 17:52:22 2023 UTC
options: bn(64,64)
compiler: gcc -fPIC -pthread -Wa,--noexecstack -Wall -fzero-call-used-regs=used-gpr -DOPENSSL_TLS_SECURITY_LEVEL=2 -Wa,--noexecstack -g -O2 -ffile-prefix-map=/build/reproducible-path/openssl-3.0.11=. -fstack-protector-strong -Wformat -Werror=format-security -DOPENSSL_USE_NODELETE -DOPENSSL_PIC -DOPENSSL_BUILDING_OPENSSL -DNDEBUG -Wdate-time -D_FORTIFY_SOURCE=2
CPUINFO: OPENSSL_armcap=0xbd
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes  16384 bytes
AES-128-CBC     627546.76k  1311594.01k  1717992.99k  1850397.06k  1909574.64k  1901564.55k
pi@raspberrypi:~ $ openssl speed -evp aes-256-cbc
Doing AES-256-CBC for 3s on 16 size blocks: 108038840 AES-256-CBC's in 2.95s
Doing AES-256-CBC for 3s on 64 size blocks: 47935527 AES-256-CBC's in 2.95s
Doing AES-256-CBC for 3s on 256 size blocks: 14529458 AES-256-CBC's in 2.94s
Doing AES-256-CBC for 3s on 1024 size blocks: 3824358 AES-256-CBC's in 2.95s
Doing AES-256-CBC for 3s on 8192 size blocks: 487117 AES-256-CBC's in 2.95s
Doing AES-256-CBC for 3s on 16384 size blocks: 240887 AES-256-CBC's in 2.95s
version: 3.0.11
built on: Mon Oct 23 17:52:22 2023 UTC
options: bn(64,64)
compiler: gcc -fPIC -pthread -Wa,--noexecstack -Wall -fzero-call-used-regs=used-gpr -DOPENSSL_TLS_SECURITY_LEVEL=2 -Wa,--noexecstack -g -O2 -ffile-prefix-map=/build/reproducible-path/openssl-3.0.11=. -fstack-protector-strong -Wformat -Werror=format-security -DOPENSSL_USE_NODELETE -DOPENSSL_PIC -DOPENSSL_BUILDING_OPENSSL -DNDEBUG -Wdate-time -D_FORTIFY_SOURCE=2
CPUINFO: OPENSSL_armcap=0xbd
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes  16384 bytes
AES-256-CBC     585973.37k  1039957.20k  1265150.08k  1327505.96k  1352699.14k  1337861.90k
pi@raspberrypi:~ $ openvpn --genkey --secret /tmp/secret
2023-10-30 13:31:01 DEPRECATED OPTION: The option --secret is deprecated.
2023-10-30 13:31:01 WARNING: Using --genkey --secret filename is DEPRECATED.  Use --genkey secret filename instead.
pi@raspberrypi:~ $ time openvpn --test-crypto --secret /tmp/secret --verb 0 --tun-mtu 20000 --cipher aes-128-cbc
2023-10-30 13:31:11 DEPRECATED OPTION: The option --secret is deprecated.

real	0m0.924s
user	0m0.885s
sys	0m0.024s
pi@raspberrypi:~ $ openvpn --genkey --secret /tmp/secret
2023-10-30 13:31:16 DEPRECATED OPTION: The option --secret is deprecated.
2023-10-30 13:31:16 WARNING: Using --genkey --secret filename is DEPRECATED.  Use --genkey secret filename instead.
pi@raspberrypi:~ $ time openvpn --test-crypto --secret /tmp/secret --verb 0 --tun-mtu 20000 --cipher aes-256-cbc
2023-10-30 13:31:20 DEPRECATED OPTION: The option --secret is deprecated.

real	0m1.049s
user	0m1.021s
sys	0m0.009s
pi@raspberrypi:~ $ openvpn --genkey --secret /tmp/secret
2023-10-30 13:31:25 DEPRECATED OPTION: The option --secret is deprecated.
2023-10-30 13:31:25 WARNING: Using --genkey --secret filename is DEPRECATED.  Use --genkey secret filename instead.
pi@raspberrypi:~ $ time openvpn --test-crypto --secret /tmp/secret --verb 0 --tun-mtu 20000 --cipher aes-128-gcm
2023-10-30 13:31:28 DEPRECATED OPTION: The option --secret is deprecated.

real	0m0.520s
user	0m0.505s
sys	0m0.008s
pi@raspberrypi:~ $ openvpn --genkey --secret /tmp/secret
2023-10-30 13:31:32 DEPRECATED OPTION: The option --secret is deprecated.
2023-10-30 13:31:32 WARNING: Using --genkey --secret filename is DEPRECATED.  Use --genkey secret filename instead.
pi@raspberrypi:~ $ time openvpn --test-crypto --secret /tmp/secret --verb 0 --tun-mtu 20000 --cipher aes-256-gcm
2023-10-30 13:31:36 DEPRECATED OPTION: The option --secret is deprecated.

real	0m0.584s
user	0m0.567s
sys	0m0.009s



pi@raspberrypi:~ $ neofetch
       _,met$$$$$gg.          pi@raspberrypi
    ,g$$$$$$$$$$$$$$$P.       --------------
  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) aarch64
 ,$$P'              `$$$.     Host: Raspberry Pi 5 Model B Rev 1.0
',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-rpi4-rpi-2712
`d$$'     ,$P"'   .    $$$    Uptime: 44 mins
 $$P      d$'     ,    $$P    Packages: 2103 (dpkg)
 $$:      $$.   -    ,d$$'    Shell: bash 5.2.15
 $$;      Y$b._   _,d$P'      Resolution: 1024x600
 Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/1
 `$$b      "-.__              CPU: BCM2835 (4) @ 2.400GHz
  `Y$$                        Memory: 553MiB / 8049MiB
   `Y$$.
     `$$b.
       `Y$$b.
          `"Y$b._
              `"""








pi@raspberrypi:~ $ uname -a
Linux raspberrypi 6.1.0-rpi4-rpi-2712 #1 SMP PREEMPT Debian 1:6.1.54-1+rpt2 (2023-10-05) aarch64 GNU/Linux