Since from the looks of it your feeding enc an entire disc image, the first question of course is: have you tried your process with a smaller file, say a snippet of about 1K of data or even less?
(I'm thinking about hidden boundary issues here, so best would be to check the process with something tiny, then try a bigger size, and so on.) On Wed, Feb 11, 2009 at 2:55 PM, Nickfx <n...@csitech.co.uk> wrote: > > 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 >> > > -- > View this message in context: > http://www.nabble.com/Bad-Decrypt-message-when-using--pass-pass%3A-tp21936670p21955180.html > Sent from the OpenSSL - User mailing list archive at Nabble.com. > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-users@openssl.org > Automated List Manager majord...@openssl.org > -- Met vriendelijke groeten / Best regards, Ger Hobbelt -------------------------------------------------- web: http://www.hobbelt.com/ http://www.hebbut.net/ mail: g...@hobbelt.com mobile: +31-6-11 120 978 -------------------------------------------------- ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
