24 hours on and still stuck!


Nickfx wrote:
> 
> Hi, first post here and I wonder if anyone with a larger brain than me can
> help?
> 
> I'm in Windows XP Pro and using DD to image a disk and then pipe to
> openssl to encrypt.  I'm using the -pass pass:'anotherpassword' switch to
> make decryption by the user as easy as possible.  It looks like this:-
> 
> dd if=\\.\PhysicalDrive0 conv=noerror | openssl enc -aes-128-ecb -salt
> -out encryptedfile.enc
> 
> I enter the passphrase when prompted and verify.
> 
> Encryption appears to work and I can see the SALTED line at the start of
> the file in a Hexviewer.  
> 
> However when I try to decrypt using:-
> 
> openssl enc -d -aes-128-ecb -salt -in encryptedfile.enc -out finished.dd
> 
> and type in the passphrase..
> 
> I get the following:-
> 
> bad decrypt
> 4064:error:00065064:digital envelope routines:EVP_DecryptFinal_ex:bad
> decrypt: .\crypto\evp\evp_enc.c:330:
> 
> I've seen alot of posts that say the passphrase is wrong however I and a
> collegue have tried this 20 or 30 times with phrases from 123 to hello to
> more complex.  We havent got it wrong each time!
> 
> When I look at the resultant file I can see NTFS at the start of the file
> meaning it has sort of worked but when I hash compare the input and output
> they are different so something hasnt worked.
> 
> I am well and truly stuck!
> 
> Thanks in advance
> 
> Nick
> 
> Nick
> 

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