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Szyfrowanie Dysku

root@chris:~# cryptsetup -q -y -v luksFormat /dev/sda
Hasło dla /dev/sda:
Weryfikacja hasła:
Existing 'crypto_LUKS' superblock signature on device /dev/sda will be wiped.
Existing 'crypto_LUKS' superblock signature on device /dev/sda will be wiped.
Klucz numer 0 utworzony.
Polecenie się powiodło.
root@chris:~#

Sprawdzanie czy Dysk jest zaszyfrowany

root@chris:~# cryptsetup luksDump /dev/sda
LUKS header information
Version:        2
Epoch:          3
Metadata area:  16384 [bytes]
Keyslots area:  16744448 [bytes]
UUID:           ca93f2a4-fdef-4775-b682-29ab0edb16e8
Label:          (no label)
Subsystem:      (no subsystem)
Flags:          (no flags)

Data segments:
  0: crypt
        offset: 16777216 [bytes]
        length: (whole device)
        cipher: aes-xts-plain64
        sector: 512 [bytes]

Keyslots:
  0: luks2
        Key:        XXXXXXXX bits
        Priority:   normal
        Cipher:     XXXXXXXX
        Cipher key: XXXXXXXX bits
        PBKDF:      XXXXXXXX
        Time cost:  4
        Memory:     99354
        Threads:    4
        Salt:       fe 68 bd c7 5b 7d d1 af 4d d2 46 dd e3 0c 94 2e
                    69 da f3 fc e1 35 66 93 be e2 e0 11 98 ba 94 3a
        AF stripes: 4000
        AF hash:    XXXXXXXX
        Area offset:32768 [bytes]
        Area length:258048 [bytes]
        Digest ID:  0
Tokens:
Digests:
  0: pbkdf2
        Hash:       sha256
        Iterations: 11821
        Salt:       18 28 25 ee e0 4b 9a 7e 19 15 26 7d 67 69 96 41
                    98 50 49 a5 8f 5b 2f 99 c9 7f 99 3d e0 a6 1b e6
        Digest:     7b 61 17 e2 e0 50 4d 94 14 a9 80 ec 05 dd ed 6e
                    a3 29 af f5 b5 69 d1 43 02 31 96 73 57 cc d5 b2
root@chris:~#

Deszyfracja Dysku

root@chris:~# cryptsetup --verbose luksOpen /dev/sda drivedata
Hasło dla /dev/sda:
Klucz numer 0 odblokowany.
Polecenie się powiodło.
root@chris:~#

Tworzenie VOLUMENA

root@chris:~# mkfs.ext4 /dev/mapper/drivedata
mke2fs 1.44.5 (15-Dec-2018)
Creating filesystem with 183139550 4k blocks and 45785088 inodes
Filesystem UUID: 3eda776e-798d-40db-95bf-2fd09bafddfd
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
        4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
        102400000

Allocating group tables: done
Writing inode tables: done
Creating journal (262144 blocks):
done
Writing superblocks and filesystem accounting information: done

root@chris:~#
root@chris:~#