GHASH hash function (CLMUL-NI accelerated)

modulename: ghash-clmulni-intel.ko

configname: CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL

Linux Kernel Configuration
└─>Cryptographic API
└─>GHASH hash function (CLMUL-NI accelerated)
In linux kernel since version 2.6.33 (release Date: 2010-02-24)  
This is the x86_64 CLMUL-NI accelerated implementation of
GHASH, the hash function used in GCM (Galois/Counter mode).

source code:
arch/x86/crypto/