n Mon, 16 Jun 2003 14:23:41 -0500 Rob McGee <i812@xxxxxxxxxxxx> wrote: > On Mon, Jun 16, 2003 at 08:43:59PM +0200, > Anonymous via the Cypherpunks Tonga Remailer wrote: > > When I use tar -o ...... $FILE | gpg -c ...... > > > > (please sobebody help to write a working example) > > See "tar --help". I don't know what your -o is supposed to do. > Generally GNU tar writes to stdout by default, so you just do > something like this: > tar -cp files-to-backup | gpg -c > outputfile > Then decrypt with this: > gpg outputfile > secret.tar > or restore with this: > gpg outputfile | tar -xp > > > and my swap is encrypted, can some unencrypted temp files be > > created in /tmp or another dir? > > I think neither tar nor gpg does this. (If gpg does, it's a SERIOUS > security hole!) But to be safe, if you're using bash: > export TMPDIR=/path/to/an/encrypted/fs > IIUC most things will use $TMPDIR for temporary files, but some may be > hard-coded to use /tmp. > > Rob - /dev/rob0 > - tar -O is eqv tar --to--stdout Have gpg designed to encrypt ~Gigabytes of files from stdin without unsecure ~tmp files creation - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/
