CONFIG_CRYPTO_POLYVAL (not configurable)

modulename: polyval-generic.ko

configname: CONFIG_CRYPTO_POLYVAL

Linux Kernel Configuration
└─>Cryptographic API
└─>CRYPTO_POLYVAL
In linux kernel since version 6 (release Date: 2022-10-02)  
POLYVAL is the hash function used in HCTR2. It is not a general-purpose
cryptographic hash function.

source code: