CONFIG_CRYPTO_HKDF (not configurable)

modulename: hkdf.ko

configname: CONFIG_CRYPTO_HKDF

Linux Kernel Configuration
└─>Cryptographic API
└─>Crypto core or helper
└─>CRYPTO_HKDF
In linux kernel since version 6.6.86 (release Date: 2025-04-07)  
source code:
crypto/hkdf.c

depends
CONFIG_CRYPTO