Encryption acceleration support

modulename: nx-crypto.ko

configname: CONFIG_CRYPTO_DEV_NX_ENCRYPT

Linux Kernel Configuration
└─>Cryptographic API
└─>Hardware crypto devices
└─>Encryption acceleration support
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support for Power7+ in-Nest encryption acceleration. This
module supports acceleration for AES and SHA2 algorithms. If you
choose 'M' here, this module will be called nx_crypto.

source code:
drivers/crypto/nx/