The .Nm utility

This commit is contained in:
Philippe Charnier 2003-03-24 16:09:07 +00:00
parent b43dc21149
commit 45ebb0c103
2 changed files with 9 additions and 6 deletions

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@ -47,9 +47,10 @@
.Ar arg2
.Op Ar arg3 Op ...
.Sh DESCRIPTION
The
.Nm
is used to control the operation of medium changers, such as those found
in tape and optical disk jukeboxes.
utility is used to control the operation of medium changers, such as those
found in tape and optical disk jukeboxes.
.Pp
The options are as follows:
.Bl -tag -width indent

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.Op Fl o Ar N
.Op Fl v Ar vector
.Sh DESCRIPTION
.Nm Bdes
implements all
The
.Nm
utility implements all
.Tn DES
modes of operation described in
.%T "FIPS PUB 81" ,
including alternative cipher feedback mode and both authentication
modes.
.Nm Bdes
reads from the standard input and writes to the standard output.
The
.Nm
utility reads from the standard input and writes to the standard output.
By default, the input is encrypted using cipher block chaining mode.
Using the same key for encryption and decryption preserves plain text.
.Pp