.TH "nvme_gen_dhchap_key" 9 "nvme_gen_dhchap_key" "April 2022" "libnvme API manual" LINUX
.SH NAME
nvme_gen_dhchap_key \- DH-HMAC-CHAP key generation
.SH SYNOPSIS
.B "int" nvme_gen_dhchap_key
.BI "(char *hostnqn "  ","
.BI "enum nvme_hmac_alg hmac "  ","
.BI "unsigned int key_len "  ","
.BI "unsigned char *secret "  ","
.BI "unsigned char *key "  ");"
.SH ARGUMENTS
.IP "hostnqn" 12
Host NVMe Qualified Name
.IP "hmac" 12
HMAC algorithm
.IP "key_len" 12
Output key length
.IP "secret" 12
Secret to used for digest
.IP "key" 12
Generated DH-HMAC-CHAP key
.SH "RETURN"
If key generation was successful the function returns 0 or
-1 with errno set otherwise.