Enable CTR DRBG

configname: CONFIG_CRYPTO_DRBG_CTR

Linux Kernel Configuration
└─>Cryptographic API
└─>NIST SP800-90A DRBG
└─>Enable CTR DRBG
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable the CTR DRBG variant as defined in NIST SP800-90A.