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.TH "SYD-KEY" "1" "2025-02-22"
.PP
.SH NAME
.PP
syd-key - Utility to generate AES-CTR Key and IV
.PP
.SH SYNOPSIS
.PP
\fBsyd-key\fR \fI[-h]\fR \fI-t <tag-str>\fR
.PP
.SH DESCRIPTION
.PP
The \fBsyd-key\fR utility generates random 256-bit AES-CTR keys using Linux
Kernel'\&s random number generator.\& The key is printed as a hexadecimal
string to standard output.\&
.PP
.SH OPTIONS
.PP
.TS
l lx
l lx.
T{
\fB-h\fR
T}	T{
Display help.\&
T}
T{
\fB-t <tag>\fR
T}	T{
Read key-hex from standard input, derive a new key with HKDF using the given information tag.\&
T}
.TE
.sp 1
.SH SEE ALSO
.PP
\fIsyd\fR(1), \fIsyd\fR(2), \fIsyd\fR(5), \fIsyd-aes\fR(1)
.PP
\fBsyd\fR homepage: https://sydbox.\&exherbolinux.\&org/
.PP
.SH AUTHORS
.PP
Maintained by Ali Polatel.\& Up-to-date sources can be found at
https://gitlab.\&exherbo.\&org/sydbox/sydbox.\&git and bugs/patches can be
submitted to https://gitlab.\&exherbo.\&org/groups/sydbox/-/issues.\& Discuss
in #sydbox on Libera Chat.\&