Steganography

Whereas cryptography concern the art of secret, steganography is the art of hidding: the object of steganography is to hide the fact that there is an information in a document.

Challenges associated with this section 17 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Gunnm 16% 16383 5 g0uZ 1
pas_valide Squared 13% 12532 5 g0uZ 4
pas_valide Dot and next line 6% 5608 10 SQalp 1
pas_valide Steganomobile 10% 9866 10 Ryscrow 2
pas_valide Twitter Secret Messages 6% 5461 10 xblade 1
pas_valide Some noise 6% 5702 15 Hackira 2
pas_valide George and Alfred 9% 8338 15 g0uZ 1
pas_valide Audio stegano 4% 3254 25 stickmen 6
pas_valide Base Jumper 1% 262 25 pickle 0
pas_valide PDF Object 1% 1016 25 eilco 4
pas_valide We need to go deeper 4% 3444 25 whoaim 6
pas_valide Angecryption 1% 182 30 pickle 1
pas_valide Kitty spy 1% 173 30 LetMeR00t 0
pas_valide LSB - Uncle Scrooge 1% 732 30 koma 1
pas_valide Pixel Indicator Technique 1% 151 30 LetMeR00t 1
pas_valide Pixel Value Differencing 1% 80 30 LetMeR00t 1
pas_valide Crypt-art 3% 2856 35 m31z0nyx 2

Challenge Results Challenge Results

Pseudo Challenge Lang date
fcarlier00   Gunnm fr 14 November 2018 at 17:30
Armeninos   Gunnm fr 14 November 2018 at 17:27
The_0wl   George et Alfred fr 14 November 2018 at 17:27
Anujpanchal   Steganomobile en 14 November 2018 at 17:25
The_0wl   Point à la ligne fr 14 November 2018 at 17:23
The_0wl   Twitter Secret Messages fr 14 November 2018 at 17:17
bleclerc00   George et Alfred fr 14 November 2018 at 17:10
bleclerc00   Twitter Secret Messages fr 14 November 2018 at 17:05
fcarlier00   Twitter Secret Messages fr 14 November 2018 at 17:04
Zbouba   George et Alfred fr 14 November 2018 at 17:03