[Baypiggies] Help Aes Implementation

[Martin Falatic]

Do you require Python 2.5 to make these function? Because I just tried
them and neither seems to work.

openssl enc -aes-256-cbc -in a.pdf -out enc.bin
openssl enc -aes-256-cbc -d -in enc.bin -out b.pdf
AES-1.py -d enc.bin -o c1.pdf
AES-2.py -d enc.bin -o c2.pdf
sha256sum a.pdf b.pdf c1.pdf c2.pdf

openssl works to encrypt (unsalted) to ciphertext and then decrypt the
ciphertext. Neither of the two Python scripts you've provided seem to do
that (though yes, their outputs do differ, neither is the original
plaintext).

So the first question is, what kind of plaintext and AES cipher and
implementation are you benchmarking these two scripts against?

 - Marty



On Sat, May 14, 2016 14:18, Pyhack Blog wrote:
> Hi,
>
>
> I have two AES implementation programs:
>
>
> AES-1:    http://pastebin.com/TrQ5iaxc
> AES-2: http://pastebin.com/mXRyprKL
>
>
> I have one binary file which is encrypted with some other AES program and
> it is getting decrypted with AES-1 but not with AES-2. I have shared both
> the programs link with you can someone please help me in identifying
> where exactly AES-2 is wrong in implementation.
>
> Regards
> PyHack
>
>
>
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