The .Nm utility

This commit is contained in:
charnier 2003-03-24 16:09:07 +00:00
parent c0b518390e
commit ed068996dc
2 changed files with 9 additions and 6 deletions

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.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