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% 18158 5 g0uZ 1
pas_valide Squared 12% 13866 5 g0uZ 4
pas_valide Dot and next line 6% 6294 10 SQalp 1
pas_valide Steganomobile 10% 10852 10 Ryscrow 2
pas_valide Twitter Secret Messages 6% 6331 10 xblade 1
pas_valide Some noise 6% 6095 15 Hackira 2
pas_valide George and Alfred 8% 8999 15 g0uZ 1
pas_valide Audio stegano 4% 3616 25 stickmen 6
pas_valide Base Jumper 1% 329 25 pickle 1
pas_valide PDF Object 2% 1183 25 eilco 4
pas_valide We need to go deeper 4% 3715 25 whoaim 6
pas_valide Angecryption 1% 200 30 pickle 1
pas_valide Kitty spy 1% 219 30 LetMeR00t 0
pas_valide LSB - Uncle Scrooge 1% 766 30 koma 1
pas_valide Pixel Indicator Technique 1% 179 30 LetMeR00t 1
pas_valide Pixel Value Differencing 1% 101 30 LetMeR00t 1
pas_valide Crypt-art 3% 3034 35 m31z0nyx 2

Challenge Results Challenge Results

Pseudo Challenge Lang date
truelle   Point à la ligne fr 24 January 2019 at 01:48
Mimon   Twitter Secret Messages en 24 January 2019 at 01:14
Mimon   Squared en 24 January 2019 at 01:12
truelle   Twitter Secret Messages fr 24 January 2019 at 01:11
Mimon   Steganomobile en 24 January 2019 at 00:30
Nofresi   Audio stégano fr 24 January 2019 at 00:10
Lamartruveuz   We need to go deeper fr 23 January 2019 at 23:59
Quentin   George et Alfred fr 23 January 2019 at 23:12
MrBalouXx   Crypt-art fr 23 January 2019 at 21:35
Antoine   Gunnm fr 23 January 2019 at 21:05