ext4, LVM, and LUKS1/LUKS2

Disk images are 1GB unless otherwise noted.

In the root of each volume, there is a text file labelled 'notes.txt' which just contains the text 'https://iblue.team'

1GB ext4

Single ext4 volume created/formatted on a Linux Mint host, at ~22:36ACST 22nd August 2023.

Download VMDK (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4/LINUX-MINT-1.zip

Download RAW (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4/1G-ext4.zip

SHA1
f676e6bc2af1c89bb0c531bc166437648bab3de8  1G-ext4.001
6072491a7927740b9540d6673ef024b298a0a793  1G-ext4.zip
e74aed8628a4931fb8497eac3016fcd6cc9c1ac5  LINUX-MINT-1.vmdk
59fee87ebdf3fd493f3230abc64a3f6cc27cd180  LINUX-MINT-1.zip

$ fdisk -l
Disk /dev/sdb: 1 GiB, 1073741824 bytes, 2097152 sectors
Disk model: VMware Virtual

$ md5sum /dev/sdb
cd573cfaace07e7949bc0c46028904ff  /dev/sdb

$ mkfs.ext4 /dev/sdb
mke2fs 1.46.5 (30-Dec-2021)
Creating filesystem with 262144 4k blocks and 65536 inodes
Filesystem UUID: 3f13c5a2-1e5b-4771-b5c3-430e4d0a1053
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376

Allocating group tables: done
Writing inode tables: done
Creating journal (8192 blocks): done
Writing superblocks and filesystem accounting information: done

root@mint:~# date
Tue 22 Aug 2023 22:36:58 ACST

$ mount /dev/sdb /mnt/ext4
> nano /mnt/ext4/notes.txt > https://iblue.team

$ md5sum /dev/sdb
40575d67d4651c200d9f3234701bf05e  /dev/sdb

1GB ext4 with LVM

Download VMDK (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4-lvm/LINUX-MINT-0.zip

Download RAW (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4-lvm/1G-ext4-lvm.zip

12601117707183a3806e7ef37cb43d4a91b1a9ef  1G-ext4-lvm.001
ce017999032df22c8d7fb2601e3f2efdfb2cf9d3  1G-ext4-lvm.zip
058a3529f69c3b5b6ac3ff81add190ae41432b55  LINUX-MINT-0.vmdk
d3a1f5035cf74374e7bc8eae1a5561607b900ab7  LINUX-MINT-0.zip

$ md5sum /dev/sdb
cd573cfaace07e7949bc0c46028904ff  /dev/sdb

lvm version
  LVM version:     2.03.11(2) (2021-01-08)
  Library version: 1.02.175 (2021-01-08)
  Driver version:  4.45.0
  
  root@mint:~# lvmdiskscan
  /dev/sda2 [     513.00 MiB]
  /dev/sda3 [     <79.50 GiB]
  /dev/sdb  [       1.00 GiB]
  1 disk
  2 partitions
  0 LVM physical volume whole disks
  0 LVM physical volumes
  
$ pvcreate /dev/sdb
  Physical volume "/dev/sdb" successfully created
  
$ vgcreate vg01 /dev/sdb
  Volume group "vg01" successfully created
  
  root@mint:~# vgdisplay
  --- Volume group ---
  VG Name               vg01
  System ID
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  1
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                0
  Open LV               0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               1020.00 MiB
  PE Size               4.00 MiB
  Total PE              255
  Alloc PE / Size       0 / 0
  Free  PE / Size       255 / 1020.00 MiB
  VG UUID               SuDIRA-DfeR-N3Gh-r41v-fZJL-2duf-XEuwWf
  
$ lvcreate -L 1020M -n lv01 vg01
  Logical volume "lv01" created.
  
  root@mint:~# lvdisplay
  --- Logical volume ---
  LV Path                /dev/vg01/lv01
  LV Name                lv01
  VG Name                vg01
  LV UUID                YH1P8v-cDBJ-1emn-0ApX-Qq7j-S6Pr-3IsWkV
  LV Write Access        read/write
  LV Creation host, time mint, 2023-08-22 22:04:23 +0930
  LV Status              available
  # open                 0
  LV Size                1020.00 MiB
  Current LE             255
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0
  
$ mkfs.ext4 /dev/vg01/lv01

mke2fs 1.46.5 (30-Dec-2021)
Creating filesystem with 261120 4k blocks and 65280 inodes
Filesystem UUID: 6423a1eb-f631-45e1-9f9a-94a49b6c90c6
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376

Allocating group tables: done
Writing inode tables: done
Creating journal (4096 blocks): done
Writing superblocks and filesystem accounting information: done

$ stat /mnt/ext4/note.txt
  File: /mnt/ext4/note.txt
  Size: 19              Blocks: 8          IO Block: 4096   regular file
Device: fd00h/64768d    Inode: 13          Links: 1
Access: (0644/-rw-r--r--)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2023-08-22 22:05:46.435740476 +0930
Modify: 2023-08-22 22:05:46.435740476 +0930
Change: 2023-08-22 22:05:46.435740476 +0930
 Birth: 2023-08-22 22:05:46.435740476 +0930

1GB ext4 with LVM and LUKS1

Download VMDK (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4-lvm-luks1/LINUX-MINT-0.zip Download RAW (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4-lvm-luks1/1GB-ext4-lvm-luks1.zip

ce8b173bf5a5e225fc883842eb035319241138bf  1GB-ext4-lvm-luks1.001
03b21c977e9f66e52cceaf1b7a08aa4cee92fdce  1GB-ext4-lvm-luks1.zip
757fe568f93c04b667bd16803098a7756ab9d1b6  LINUX-MINT-0.vmdk
41f8dd22c03b95d968b5884680a76ce88c55afc7  LINUX-MINT-0.zip

Key slot 0 was set with the password 'password' Key slot 1 was set with the password 'superpassword'

Using existing disk

$ cryptsetup luksFormat --type luks1 /dev/mapper/vg01-lv01
WARNING: Device /dev/mapper/vg01-lv01 already contains a 'ext4' superblock signature.

WARNING!
========
This will overwrite data on /dev/mapper/vg01-lv01 irrevocably.

Are you sure? (Type 'yes' in capital letters): YES
Enter passphrase for /dev/mapper/vg01-lv01: password
Verify passphrase: password

$ cryptsetup luksOpen /dev/mapper/vg01-lv01 luks1
Enter passphrase for /dev/mapper/vg01-lv01: password 

$ cryptsetup -v status luks1
/dev/mapper/luks1 is active.
  type:    LUKS1
  cipher:  aes-xts-plain64
  keysize: 512 bits
  key location: dm-crypt
  device:  /dev/mapper/vg01-lv01
  sector size:  512
  offset:  4096 sectors
  size:    2084864 sectors
  mode:    read/write
Command successful

$ sudo cryptsetup luksDump /dev/mapper/vg01-lv01
LUKS header information for /dev/mapper/vg01-lv01

Version:        1
Cipher name:    aes
Cipher mode:    xts-plain64
Hash spec:      sha256
Payload offset: 4096
MK bits:        512
MK digest:      01 eb 16 1a 86 1c db 04 5a 86 0a 6c c3 8e d9 44 1a 72 04 c4
MK salt:        a6 3c c4 96 52 33 c6 6f 5e 0f a6 38 34 2e 7a 3c
                a5 4b 62 4f 6d 5a f1 07 5a c8 ff 52 ad 4b b8 78
MK iterations:  110890
UUID:           0689d6a7-33a1-47fd-a971-c6ac38b24d47

Key Slot 0: ENABLED
        Iterations:             1956298
        Salt:                   bc 58 47 d6 4c fb bb 77 c7 e7 91 f7 22 ef 81 0c
                                3f b5 5d ad b1 3e 08 32 51 47 94 c2 c0 4a 20 ed
        Key material offset:    8
        AF stripes:             4000
Key Slot 1: DISABLED
Key Slot 2: DISABLED
Key Slot 3: DISABLED
Key Slot 4: DISABLED
Key Slot 5: DISABLED
Key Slot 6: DISABLED
Key Slot 7: DISABLED

Key Slot 0 is ENABLED (password is password)

Let's enable the second key slot (key slot 1)

$ cryptsetup luksAddKey /dev/mapper/vg01-lv01
Enter any existing passphrase: password
Enter new passphrase for key slot: superpassword
Verify passphrase: superpassword

$ cryptsetup luksDump /dev/mapper/vg01-lv01
LUKS header information for /dev/mapper/vg01-lv01

Version:        1
Cipher name:    aes
Cipher mode:    xts-plain64
Hash spec:      sha256
Payload offset: 4096
MK bits:        512
MK digest:      01 eb 16 1a 86 1c db 04 5a 86 0a 6c c3 8e d9 44 1a 72 04 c4
MK salt:        a6 3c c4 96 52 33 c6 6f 5e 0f a6 38 34 2e 7a 3c
                a5 4b 62 4f 6d 5a f1 07 5a c8 ff 52 ad 4b b8 78
MK iterations:  110890
UUID:           0689d6a7-33a1-47fd-a971-c6ac38b24d47

Key Slot 0: ENABLED
        Iterations:             1956298
        Salt:                   bc 58 47 d6 4c fb bb 77 c7 e7 91 f7 22 ef 81 0c
                                3f b5 5d ad b1 3e 08 32 51 47 94 c2 c0 4a 20 ed
        Key material offset:    8
        AF stripes:             4000
Key Slot 1: ENABLED
        Iterations:             1836384
        Salt:                   60 95 5c d5 36 77 bb f7 78 a9 11 98 d7 66 79 38
                                c6 5e 14 98 da aa 2a 3d 62 bf e4 31 2a 73 8d 57
        Key material offset:    512
        AF stripes:             4000
Key Slot 2: DISABLED
Key Slot 3: DISABLED
Key Slot 4: DISABLED
Key Slot 5: DISABLED
Key Slot 6: DISABLED
Key Slot 7: DISABLED

1GB ext4 with LVM and LUKS2

Download VMDK (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4-lvm-luks2/LINUX-MINT-0.zip

Download RAW (zipped) https://files.iblue.team/279b6e00-851e/1GB-ext4-lvm-luks2/1GB-ext4-lvm-luks2.zip

ce8b173bf5a5e225fc883842eb035319241138bf  1GB-ext4-lvm-luks2.001
f580250eff1ca6afd27a076c0935557cdb48438a  1GB-ext4-lvm-luks2.zip
757fe568f93c04b667bd16803098a7756ab9d1b6  LINUX-MINT-0.vmdk
41f8dd22c03b95d968b5884680a76ce88c55afc7  LINUX-MINT-0.zip

$ cryptsetup convert --type luks2 /dev/mapper/vg01-lv01

WARNING!
========
This operation will convert /dev/mapper/vg01-lv01 to LUKS2 format.
Are you sure? (Type 'yes' in capital letters): YES

$ cryptsetup luksDump /dev/mapper/vg01-lv01
LUKS header information
Version:        2
Epoch:          2
Metadata area:  16384 [bytes]
Keyslots area:  2064384 [bytes]
UUID:           0689d6a7-33a1-47fd-a971-c6ac38b24d47
Label:          (no label)
Subsystem:      (no subsystem)
Flags:          (no flags)

Data segments:
  0: crypt
        offset: 2097152 [bytes]
        length: (whole device)
        cipher: aes-xts-plain64
        sector: 512 [bytes]

Keyslots:
  0: luks2
        Key:        512 bits
        Priority:   normal
        Cipher:     aes-xts-plain64
        Cipher key: 512 bits
        PBKDF:      pbkdf2
        Hash:       sha256
        Iterations: 1956298
        Salt:       bc 58 47 d6 4c fb bb 77 c7 e7 91 f7 22 ef 81 0c
                    3f b5 5d ad b1 3e 08 32 51 47 94 c2 c0 4a 20 ed
        AF stripes: 4000
        AF hash:    sha256
        Area offset:32768 [bytes]
        Area length:258048 [bytes]
        Digest ID:  0
  1: luks2
        Key:        512 bits
        Priority:   normal
        Cipher:     aes-xts-plain64
        Cipher key: 512 bits
        PBKDF:      pbkdf2
        Hash:       sha256
        Iterations: 1836384
        Salt:       60 95 5c d5 36 77 bb f7 78 a9 11 98 d7 66 79 38
                    c6 5e 14 98 da aa 2a 3d 62 bf e4 31 2a 73 8d 57
        AF stripes: 4000
        AF hash:    sha256
        Area offset:290816 [bytes]
        Area length:258048 [bytes]
        Digest ID:  0
Tokens:
Digests:
  0: pbkdf2
        Hash:       sha256
        Iterations: 110890
        Salt:       a6 3c c4 96 52 33 c6 6f 5e 0f a6 38 34 2e 7a 3c
                    a5 4b 62 4f 6d 5a f1 07 5a c8 ff 52 ad 4b b8 78
        Digest:     01 eb 16 1a 86 1c db 04 5a 86 0a 6c c3 8e d9 44
                    1a 72 04 c4

PreviousUFS, FFS, BTRFS, XFS NextNTFS, FAT32, with BitLocker

Last updated 2 years ago

$ md5sum /dev/sdb cd573cfaace07e7949bc0c46028904ff /dev/sdb lvm version LVM version: 2.03.11(2) (2021-01-08) Library version: 1.02.175 (2021-01-08) Driver version: 4.45.0 root@mint:~# lvmdiskscan /dev/sda2 [ 513.00 MiB] /dev/sda3 [ <79.50 GiB] /dev/sdb [ 1.00 GiB] 1 disk 2 partitions 0 LVM physical volume whole disks 0 LVM physical volumes $ pvcreate /dev/sdb Physical volume "/dev/sdb" successfully created $ vgcreate vg01 /dev/sdb Volume group "vg01" successfully created root@mint:~# vgdisplay --- Volume group --- VG Name vg01 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 1 VG Access read/write VG Status resizable MAX LV 0 Cur LV 0 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 1020.00 MiB PE Size 4.00 MiB Total PE 255 Alloc PE / Size 0 / 0 Free PE / Size 255 / 1020.00 MiB VG UUID SuDIRA-DfeR-N3Gh-r41v-fZJL-2duf-XEuwWf $ lvcreate -L 1020M -n lv01 vg01 Logical volume "lv01" created. root@mint:~# lvdisplay --- Logical volume --- LV Path /dev/vg01/lv01 LV Name lv01 VG Name vg01 LV UUID YH1P8v-cDBJ-1emn-0ApX-Qq7j-S6Pr-3IsWkV LV Write Access read/write LV Creation host, time mint, 2023-08-22 22:04:23 +0930 LV Status available # open 0 LV Size 1020.00 MiB Current LE 255 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 $ mkfs.ext4 /dev/vg01/lv01 mke2fs 1.46.5 (30-Dec-2021) Creating filesystem with 261120 4k blocks and 65280 inodes Filesystem UUID: 6423a1eb-f631-45e1-9f9a-94a49b6c90c6 Superblock backups stored on blocks: 32768, 98304, 163840, 229376 Allocating group tables: done Writing inode tables: done Creating journal (4096 blocks): done Writing superblocks and filesystem accounting information: done $ stat /mnt/ext4/note.txt File: /mnt/ext4/note.txt Size: 19 Blocks: 8 IO Block: 4096 regular file Device: fd00h/64768d Inode: 13 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2023-08-22 22:05:46.435740476 +0930 Modify: 2023-08-22 22:05:46.435740476 +0930 Change: 2023-08-22 22:05:46.435740476 +0930 Birth: 2023-08-22 22:05:46.435740476 +0930

hashtag1GB ext4

hashtag1GB ext4 with LVM

hashtag1GB ext4 with LVM and LUKS1

hashtag1GB ext4 with LVM and LUKS2

1GB ext4

1GB ext4 with LVM

1GB ext4 with LVM and LUKS1

1GB ext4 with LVM and LUKS2