Re: Security of piping unencrypted keyfile through named pipe

[Phil H <philtickle200@xxxxxxxxx>]

> Why use a pipe at all?
> 
> cmd="head -c2925 /dev/urandom | uuencode -m - | sed
> -n 2,$((N+1))p |
>      gpg -c -a -o ${KEYFILE}"
> rxvt +sb -geometry 80x1 -fn fixed -cr blue -T
> Password -e sh -c "$cmd"

Perhaps I'm doing something wrong, however when I try
this the rxvt window opens and immediately closes
without waiting for a password.

If there's a named pipe rxvt cannot close until it
finishes reading from the pipe.

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Linux-crypto:  cryptography in and on the Linux system
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