0x0 Steganography

vendredi 10 août 2018, 12:30  #1
Steganography - Angecryption
nxnxnxnx
  • 1 posts

Any hint for this one ?
I didn’t even manage to open the file.

vendredi 17 août 2018, 11:05  #2
Steganography - Angecryption
tortugone
  • 5 posts

view the file in an ascii editor and find something wrong in the header...

vendredi 17 août 2018, 12:46  #3
Steganography - Angecryption
tortugone
  • 5 posts

Hi I found the key and the IV into the pdf.
Now I’m going to DECIPHER the encrypted part of the file.
But... with or without the chunck ? and the header ? or wee need to decipher the entire file ?
I’m trying everything without result :(
Could someone give me an hint ?

vendredi 17 août 2018, 12:59  #4
Steganography - Angecryption
tortugone
  • 5 posts

more exactly... i take this error... is it possibile that I’m using a different version of openssl or I’m simply setting as input the wrong part of the file ?

bad decrypt
6870300:error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt:evp_enc.c:531 :