[dm-crypt] No key available with this passphrase

Packets boynextdoor2121 at gmail.com
Mon Jun 10 17:40:52 CEST 2013


Hi Guys,

I insert my encrypted usb flash drive and mount it on my ubuntu
workstation. When it was mounted, I tried to format the usb fd using
gparted gui but it did not succeed so I proceed in putting my data on the
mounted usb fd. After putting all my data, I reformat the pc and when it
boot up, I insert the encrypted usb fd. To my surprise, it is no longer
accepting my passphrase (surprise!). I'm sure my passphrase is correct.

Could anyone on the list help me recover my files?  Here are some commands
might be relevant to my problem

nelson at kazekage:~$ sudo cryptsetup luksOpen /dev/sdb1 test
[sudo] password for nelson:
Enter passphrase for /dev/sdb1:
No key available with this passphrase.

##################

nelson at kazekage:~$ sudo cryptsetup isLuks /dev/sdb1
[sudo] password for nelson:
nelson at kazekage:~$

##################

nelson at kazekage:~$ sudo cryptsetup luksDump /dev/sdb1
LUKS header information for /dev/sdb1

Version:       1
Cipher name:   aes
Cipher mode:   cbc-essiv:sha256
Hash spec:     sha1
Payload offset: 4096
MK bits:       256
MK digest:     8f 6f 4e ba c1 c2 70 3b 26 e0 41 8c 9b de d4 4b c6 29 65 e4
MK salt:       84 c1 5e 2c 70 d6 2a 0f 2e 79 7b 3f 43 16 60 44
                96 d8 bf 93 a7 6e 4a eb a9 94 fd 2d 0d b7 c6 f7
MK iterations: 36750
UUID:           f6289fce-a74b-40d8-b93f-e7a210afbf54

Key Slot 0: ENABLED
Iterations:         147405
Salt:               43 d7 f8 b8 2f 0e 51 80 f6 9f 10 72 7e 0a bf 7d
                       ae 25 89 9a 59 87 62 85 ed 46 73 57 da 47 74 9d
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
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