Disable data encryption

Finally AES (128\256) test from my laptop:

openssl speed aes-128-cbc aes-256-cbc
...
The 'numbers' are in 1000s of bytes per second processed.
type             16 bytes     64 bytes    256 bytes   1024 bytes   8192 bytes
aes-128 cbc     101993.28k   112789.08k   112856.23k   116360.19k   112377.86k
aes-256 cbc      75975.16k    80961.54k    80826.88k    82967.89k    83211.61k