CONFIG_NVME_KEYRING (not configurable)

modulename: nvme-keyring.ko

configname: CONFIG_NVME_KEYRING

Linux Kernel Configuration
└─>Device Drivers
└─>NVME Support
└─>NVME_KEYRING
In linux kernel since version 4.14.330 (release Date: 2023-11-20)  
source code:
drivers/nvme/common/
selects
CONFIG_KEYS

is depended by
CONFIG_NVME_HOST_AUTH