CONFIG_CRYPTO_BLKCIPHER2 (not configurable)

modulename: crypto_blkcipher.ko

and/or

chainiv.ko

and/or

eseqiv.ko

configname: CONFIG_CRYPTO_BLKCIPHER2

Linux Kernel Configuration
└─>Cryptographic API
└─>CRYPTO_BLKCIPHER2
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
source code:
crypto/

depends
CONFIG_CRYPTO

is depended by
CONFIG_CRYPTO_NULL2