Authenc support

modulename: authenc.ko

configname: CONFIG_CRYPTO_AUTHENC

Linux Kernel Configuration
└─>Cryptographic API
└─>Crypto core or helper
└─>Authenc support
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
Authenc: Combined mode wrapper for IPsec.

This is required for IPSec ESP (XFRM_ESP).

source code:
crypto/

depends
CONFIG_CRYPTO