============================= WITHOUT HARDWARE ACCELERATION ============================= $ dd if=/dev/urandom of=./randomfile bs=10M count=1 $ time scp -c aes128-cbc -P222 randomfile root@asus:/tmp randomfile 100% 10MB 1.7MB/s 00:06 real 0m8.942s user 0m0.400s sys 0m0.060s $ time scp -c aes192-cbc -P222 randomfile root@asus:/tmp randomfile 100% 10MB 1.4MB/s 00:07 real 0m10.034s user 0m0.372s sys 0m0.092s $ time scp -c aes256-cbc -P222 randomfile root@asus:/tmp randomfile 100% 10MB 1.4MB/s 00:07 real 0m10.146s user 0m0.428s sys 0m0.092s ============================= WITH HARDWARE ACCELERATION ============================= $ insmod ubsec_ssb $ time scp -c aes128-cbc -P222 randomfile root@asus:/tmp randomfile 100% 10MB 2.5MB/s 00:04 real 0m6.429s user 0m0.252s sys 0m0.068s ### AES192-CBC requires patch ### $ time scp -c aes192-cbc -P222 randomfile root@asus:/tmp randomfile 100% 10MB 2.0MB/s 00:05 real 0m6.618s user 0m0.528s sys 0m0.072s $ time scp -c aes256-cbc -P222 randomfile root@asus:/tmp randomfile 100% 10MB 2.5MB/s 00:04 real 0m6.750s user 0m0.440s sys 0m0.092s