FreeBSD Edition

FreeBSD Edition Encryption

Pars Enterprise FreeBSD edition full platform encryption method including Boot system and password on the top with physical token.

PART I - UFS METHOD

Pars Enterprise FreeBSD edition full encryption with UFS filesystem

PART II - ZFS METHOD

Pars Enterprise FreeBSD full encryption with ZFS filesystem

Default values for the current existing customized operating system:

### loading FreeBSD operating system from live environment

# sysctl kern.disks or gpart show ada0/da0

Creating temporary folders to clone the current operating system:

# mkdir /mnt/backup

Mounting backup volume before cloning:

# kldload ext2fs

# mount -t ext2fs /dev/dax /mnt/backup

Cloning the current customized operating system:

# dump -0af /mnt/backup/image.dump /dev/adax

Full formatting storage before encryption:

# gpart destroy -F ada0

# dd if=/dev/urandom of=/dev/ada0 bs=1m count=1

Performing the partitioning scenario after full formatting:

# gpart create -s gpt ada0

# gpart add -t freebsd-swap -l swapfs -s 32g -a 1m ada0

# gpart add -t freebsd-ufs -l rootfs -s 100g -a 1m ada0

# gpart add -t freebsd-ufs -l homefs -a 1m ada0

# gpart destroy -F da0(token)

# dd if=/dev/urandom of=/dev/da0 bs=64k count=1

# gpart create -s gpt da0

# gpart add -t freebsd-boot -s 512k -a 4k da0

# gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 da0

# gpart set -a active -i 1 da0

# gpart add -t freebsd-ufs -l bootfs -s 1g -a 1m da0

# newfs -O2 -U -j -m6 /dev/gpt/bootfs

# gpart set -a bootme -i 2 da0

Generating physical token and adding it to the current encrypted storage:

# mkdir /mnt/bootvol

# mount /dev/da0s2 /mnt/bootvol

# dd if=/dev/urandom of=/mnt/bootvol/PEOST.bin bs=4096 count=1

# mv /mnt/bootvol/PEOST.bin /mnt/bootvol/.PEOST.bin

# chmod 000 /mnt/bootvol/.PEOST.bin

Starting platform encryption with the following parameters:

# kldload geom_eli

# geli init -a HMAC/SHA256 -b -B /mnt/bootvol/ada0p2.eli -e AES-XTS -K /mnt/bootvol/.PEOST.bin -l 256 -s 4096 /dev/ada0p2

# dd if=/dev/urandom of=/dev/ada0p2.eli bs=1m count=1

# geli attach -k /mnt/bootvol/.PEOST.bin /dev/ada0p2

# newfs -O2 -U -j -m6 /dev/ada0p2.eli

Restoring cloned operating system to created volumes:

# mkdir /mnt/rootvol

# mount /dev/ada0p2.eli /mnt/rootvol

# cd /mnt/rootvol

# restore -rf /mnt/backup/image.dump

Starting platform encryption with the following parameters:

# geli init -a HMAC/SHA256 -b -B /mnt/bootvol/ada0p3.eli -e AES-XTS -K /mnt/bootvol/.PEOST.bin -l 256 -s 4096 /dev/ada0p3

# geli attach -k /mnt/bootvol/.PEOST.bin /dev/ada0p3

# dd if=/dev/urandom of=/dev/ada0p3.eli bs=1m count=1

# newfs -O2 -U -j -m6 /dev/ada0p3.eli

Moving the current home folder contents after encryption:

# mkdir /mnt/homevol

# mount /dev/ada0p5.eli /mnt/homevol

# mv /mnt/rootvol/home/* /mnt/homevol or ln -fs /mnt/rootvol/home/(username) /mnt/homevol/(username)

Moving the current boot folder contents after encryption:

# mkdir /mnt/bootvol

# mv /mnt/rootvol/boot/* /mnt/bootvol or ln -fs /mnt/rootvol/boot /mnt/bootvol

# chmod -R g-rwx,o-rwx /mnt/rootvol/boot

Chrooting the current new created root volume:

# swapon /dev/ada0p1

# mount -t procfs proc /mnt/rootvol/proc

# mount -t devfs devfs /mnt/rootvol/dev

# chroot /mnt/rootvol /bin/csh

Editing loader entries with the following contents:

# vi /boot/loader.conf

# vfs.root.mountfrom="ufs:/dev/ada0p2.eli"

# loader_delay="10000"

# aesni_load="YES"

# geom_eli_load="YES"

# geom_eli_passphrase_prompt="YES"

# geli_ada0p2_keyfile0_load="YES"

# geli_ada0p2_keyfile0_type="ada0p2:geli_keyfile0"

# geli_ada0p2_keyfile0_name="/boot/.PEOST.bin"

# geli_ada0p3_keyfile0_load="YES"

# geli_ada0p3_keyfile0_type="ada0p3:geli_keyfile0"

# geli_ada0p3_keyfile0_name="/boot/.PEOST.bin"

Editing rc entries with the following contents:

# vi /etc/rc.conf

# geli_swap_flags="-e AES-XTS -l 256 -s 4096 -d"

# label solution: vi /boot/loader.rc

# /boot/loader.4th

# start

# load_geli -n 0 /dev/gpt/rootfs /dev/gpt/bootfs/.PEOST.bin

# load_geli -n 0 /dev/gpt/homefs /dev/gpt/bootfs/.PEOST.bin

Editing fstab entries with the following contents:

# vi /etc/fstab

# /dev/ada0p4.eli / ufs rw,noatime 1 1

# /dev/da0s2 /boot ufs rw,noatime 2 2

# /dev/ada0p5.eli /home ufs rw,noatime 2 2

# /dev/ada0p2.eli none swap sw 0 0

Changing user password for the current new restored operating system:

# passwd root

# passwd (username)

Clearing command line interface history and exiting:

# history -cw

Or

# echo > /root/.history && history -c && exit

Unmounting filesystems after modifications:

# umount /dev/dax /dev/da0s2 /dev/ada0p3 /dev/ada0p4.eli /dev/ada0p5.eli

# swapoff /dev/ada0p1

Removing created folders when volumes were unmounted successfully:

# rm -rf /mnt/backup /mnt/bootvol /mnt/rootvol /mnt/homevol

Closing the new current encrypted storage and rebooting:

# geli detach /dev/ada0p4.eli /dev/ada0p5.eli

# sync && reboot

 

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Default values for the current existing customized operating system:

### loading FreeBSD operating system from live environment

# sysctl kern.disks or gpart show ada0/da0

Loading required kernel modules:

# kldload opensolaris

# kldload zfs

Full formatting storage before encryption:

# gpart destroy -F dax

# dd if=/dev/urandom of=/dev/dax bs=64k

Cloning the current customized operating system:

# zpool create storage /dev/dax

# zfs set mountpoint=/clone storage

# zfs snapshot -r zroot@clone

# zfs send -Rv zroot@clone | gzip > /storage/rootvol.gz

Full formatting storage before encryption:

# gpart destroy -F ada0

# dd if=/dev/urandom of=/dev/ada0 bs=64k

# gpart destroy -F ada1

# dd if=/dev/urandom of=/dev/ada1 bs=64k

Performing the partitioning scenario after full formatting:

# gpart create -s gpt ada0

# gpart add -t freebsd-swap0 -l swapfs0 -s 32g -a 1m ada0

# gpart add -t freebsd-zfs -l rootfs0 -a 1m ada0

# gpart create -s gpt ada1

# gpart add -t freebsd-boot -s 512k -a 4k ada1

# gpart add -t freebsd-swap1 -l swapfs1 -s 32g -a 1m ada1

# gpart add -t freebsd-zfs -l rootfs1 -a 1m ada1

# gpart destroy -F da0(key)

# dd if=/dev/urandom of=/dev/da0 bs=64k

# gpart create -s gpt da0

# gpart add -t freebsd-boot -s 512k -a 4k da0

# gpart bootcode -b /boot/pmbr -p /boot/gptzfsboot -i 1 da0

# gpart set -a active -i 1 da0

# gpart add -t freebsd-ufs -l bootfs -s 1g -a 1m da0

# newfs -O2 -U -j -m6 /dev/gpt/bootfs

Generating physical token and adding it to the current encrypted storage:

# mkdir /mnt/bootvol

# mount /dev/da0s1 /mnt/bootvol

# dd if=/dev/urandom of=/mnt/bootvol/PEOST.bin bs=4096 count=1

# mv /mnt/bootvol/PEOST.bin /mnt/bootvol/.PEOST.bin

# chmod 000 /mnt/bootvol/.PEOST.bin

Loading required kernel modules:

# kldload crypto

# kldload geom_mirror

# kldload geom_eli

Creating swap space filesystem including encryption:

# gmirror label -b load -F swapfs /dev/gpt/swapfs0 /dev/gpt/swapfs1

Starting platform encryption with the following parameters:

# geli init -a HMAC/SHA256 -b -B /mnt/bootvol/rootfs0.eli -e AES-XTS -K /mnt/bootvol/.PEOST.bin -l 256 -s 4096 /dev/gpt/rootfs0

# dd if=/dev/urandom of=/dev/gpt/rootfs0.eli bs=1m

# geli attach -k /mnt/bootvol/.PEOST.bin /dev/gpt/rootfs0

# geli init -a HMAC/SHA256 -b -B /mnt/bootvol/rootfs1.eli -e AES-XTS -K /mnt/bootvol/.PEOST.bin -l 256 -s 4096 /dev/gpt/rootfs1

# dd if=/dev/urandom of=/dev/gpt/rootfs1.eli bs=1m

# geli attach -k /mnt/bootvol/.PEOST.bin /dev/gpt/rootfs1

Managing logical volumes before restoration:

# zpool create zroot mirror /dev/gpt/rootfs0.eli /dev/gpt/rootfs1.eli

# zfs create -o canmount=noauto -o mountpoint=none zroot/ROOT

# zfs create -o mountpoint=/ zroot/ROOT/default

# zfs set checksum=sha256 zroot

# zfs set dedup=on zroot

# zfs set compression=gzip zroot

# zfs create -o compression=on -o exec=on -o setuid=off -o dedup=on zroot/tmp

# zfs create zroot/usr

# zfs create zroot/usr/home

# cd /boot/zfs/zroot; ln -s /usr/home home

# zfs create -o compression=lzjb -o setuid=off -o dedup=on zroot/usr/ports

# zfs create zroot/var

# zfs create -o compression=lzjb -o exec=off -o setuid=off -o dedup=on zroot/var/log

# zfs create -o compression=gzip -o exec=off -o setuid=off -o dedup=on zroot/var/mail

# zfs create -o compression=lzjb -o exec=on -o setuid=off -o dedup=on zroot/var/tmp

Restoring cloned operating system to created volumes:

# zpool import -f storage

# zfs set mountpoint=/boot/zfs/clone storage

# zfs mount storage

# gunzip -c /boot/zfs/clone/rootvol.gz | zfs receive -vdF zroot

# zpool export storage

# zfs set mountpoint=/boot/zfs/zroot zroot

# cd /boot/zfs

# zpool export zroot && zpool import zroot

# cp /boot/zfs/zpool.cache /boot/zfs/zroot/boot/zfs/zpool.cache

# zfs umount -a

# zfs set mountpoint=legacy zroot

# zpool import -f storage

# zfs set mountpoint=/clone storage

# chmod -R g-rwx,o-rwx /boot

Chrooting the current new created root volume:

# swapon /dev/gpt/swapfs

# chroot /boot/zfs/zroot /bin/csh

Editing loader entries with the following contents:

# vi /boot/loader.conf

# vfs.root.mountfrom="zfs:zroot/ROOT/default"

# loader_delay="10000"

# crypto_load="YES"

# zfs_load=”YES”

# aesni_load="YES"

# geom_mirror_load="YES"

# geom_eli_load="YES"

# geom_eli_passphrase_prompt="YES"

# geli_ada0p3_keyfile0_load="YES"

# geli_ada0p3_keyfile0_type="ada0p3:geli_keyfile0"

# geli_ada0p3_keyfile0_name="/dev/gpt/bootfs/.PEOST.bin"

# geli_ada1p3_keyfile0_load="YES"

# geli_ada1p3_keyfile0_type="ada1p3:geli_keyfile0"

# geli_ada1p3_keyfile0_name="/dev/gpt/bootfs/.PEOST.bin"

# zpool_cache_load="YES"

# zpool_cache_type="/boot/zfs/zpool.cache"

# zpool_cache_name="/boot/zfs/zpool.cache"

Editing rc entries with the following contents:

# vi /etc/rc.conf

# zfs_enable=”YES”

# geli_swap_flags="-e AES-XTS -l 256 -s 4096 -d"

# label solution: vi /boot/loader.rc

# /boot/loader.4th

# start

# load_geli -n 0 /dev/gpt/rootfs0 /dev/gpt/bootfs/.PEOST.bin

# load_geli -n 0 /dev/gpt/rootfs1 /dev/gpt/bootfs/.PEOST.bin

Editing fstab entries with the following contents:

# vi /etc/fstab

# /dev/mirror/swapfs.eli none swap sw 0 0

Changing user password for the current new restored operating system:

# passwd root

# passwd (username)

Clearing command line interface history and exiting:

# history -cw

Or

# echo > /root/.history && history -c && exit

Unmounting filesystems after modifications:

# umount /dev/dax /dev/da0s1 /dev/ada0p3.eli /dev/ada1p3.eli

# swapoff /dev/gpt/swapfs

Removing created folders when volumes were unmounted successfully:

# rm -rf /mnt/bootvol

Closing the new current encrypted storage and rebooting:

# geli detach /dev/ada0p3.eli /dev/ada1p3.eli

# sync && reboot

UFS TO ZFS FILESYSTEM RESTORATION:

# mount -F nfs rsystem:/export/ufsdata /tank/legacyufs

# ls /tank/legacyufs

# ufsdump-a

# zfs create tank/newzfs

# cd /tank/newzfs

# ufsrestore rvf /tank/legacyufs/ufsdump-a
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