libnvme(9) API Manual libnvme(9) NAME enum libnvmf_hmac_alg - HMAC algorithm SYNOPSIS enum libnvmf_hmac_alg { LIBNVMF_HMAC_ALG_NONE , LIBNVMF_HMAC_ALG_SHA2_256 , LIBNVMF_HMAC_ALG_SHA2_384 , LIBNVMF_HMAC_ALG_SHA2_512 }; Constants LIBNVMF_HMAC_ALG_NONE No HMAC algorithm LIBNVMF_HMAC_ALG_SHA2_256 SHA2-256 LIBNVMF_HMAC_ALG_SHA2_384 SHA2-384 LIBNVMF_HMAC_ALG_SHA2_512 SHA2-512 October 2026 enum libnvmf_hmac_alg libnvme(9)