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'\" t
.\" Title: nvme-gen-dhchap-key
.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\" Date: 11/25/2021
.\" Manual: NVMe Manual
.\" Source: NVMe
.\" Language: English
.\"
.TH "NVME\-GEN\-DHCHAP\-K" "1" "11/25/2021" "NVMe" "NVMe Manual"
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.SH "NAME"
nvme-gen-dhchap-key \- Generate a host DH\-HMAC\-CHAP key
.SH "SYNOPSIS"
.sp
.nf
\fInvme gen\-dhchap\-key\fR [\-\-hmac=<hmac\-id> | \-h <hmac\-id>]
[\-\-secret=<secret> | \-s <secret> ]
[\-\-key\-length=<len> | \-l <len> ]
[\-\-nqn=<host\-nqn> | \-n <host\-nqn> ]
.fi
.SH "DESCRIPTION"
.sp
Generate a base64\-encoded DH\-HMAC\-CHAP host key in the form: DHHC\-1:00:ia6zGodOr4SEG0Zzaw398rpY0wqipUWj4jWjUh4HWUz6aQ2n: and prints it to stdout\&.
.SH "OPTIONS"
.PP
\-h <hmac\-id>, \-\-hmac=<hmac\-id>
.RS 4
Select a HMAC algorithm to use\&. Possible values are: 0 \- No HMAC algorithm 1 \- SHA\-256 2 \- SHA\-384 3 \- SHA\-512
.RE
.PP
\-s <secret>, \-\-secret=<secret>
.RS 4
Secret value (in hexadecimal) to be used for the key\&. If none are provided a random value is used\&.
.RE
.PP
\-l <len>, \-\-key\-length=<len>
.RS 4
Length of the resulting key\&. Possible values are 32, 48, or 64\&.
.RE
.PP
\-n <hostnqn>, \-\-nqn=<hostnqn>
.RS 4
Host\-NQN to be used for the transformation\&. This parameter is only valid if a non\-zero HMAC function has been specified\&.
.RE
.SH "EXAMPLES"
.sp
No Examples
.SH "NVME"
.sp
Part of the nvme\-user suite
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