CONFIG_CRYPTO_ALGAPI (not configurable)

modulename: crypto_algapi.ko

configname: CONFIG_CRYPTO_ALGAPI

Linux Kernel Configuration
└─>Cryptographic options
└─>CRYPTO_ALGAPI
In linux kernel since version 2.6.19 (release Date: 2006-11-29)  
This option provides the API for cryptographic algorithms.

source code: