CTR support

modulename: ctr.ko

configname: CONFIG_CRYPTO_CTR

Linux Kernel Configuration
└─>Cryptographic API
└─>CTR support
In linux kernel since version 2.6.25 (release Date: 2008-04-16)  
CTR: Counter mode
This block cipher algorithm is required for IPSec.

source code:
crypto/ctr.c

depends
CONFIG_CRYPTO