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% 20804 5 g0uZ 1
pas_valide Squared 12% 15907 5 g0uZ 4
pas_valide Dot and next line 6% 7305 10 SQalp 1
pas_valide Steganomobile 10% 12245 10 Ryscrow 2
pas_valide Twitter Secret Messages 6% 7537 10 xblade 1
pas_valide Some noise 5% 6654 15 Hackira 2
pas_valide George and Alfred 8% 9945 15 g0uZ 1
pas_valide Audio stegano 4% 4137 25 stickmen 6
pas_valide Base Jumper 1% 442 25 pickle 1
pas_valide PDF Object 2% 1445 25 eilco 4
pas_valide We need to go deeper 4% 4050 25 whoaim 7
pas_valide Angecryption 1% 237 30 pickle 1
pas_valide Kitty spy 1% 319 30 LetMeR00t 0
pas_valide LSB - Uncle Scrooge 1% 817 30 koma 1
pas_valide Pixel Indicator Technique 1% 220 30 LetMeR00t 1
pas_valide Pixel Value Differencing 1% 127 30 LetMeR00t 1
pas_valide Crypt-art 3% 3280 35 m31z0nyx 2

Challenge Results Challenge Results

Pseudo Challenge Lang date
adrien   Steganomobile fr 23 May 2019 at 16:17
akway   Gunnm fr 23 May 2019 at 16:01
douville remi   Steganomobile fr 23 May 2019 at 15:36
jayjaypg22   Steganomobile fr 23 May 2019 at 15:35
eralsia   Gunnm fr 23 May 2019 at 15:21
Deimos   Some noise en 23 May 2019 at 15:21
Yoose   Pas très carré fr 23 May 2019 at 14:44
Yoose   Gunnm fr 23 May 2019 at 14:42
Cleaver   Steganomobile fr 23 May 2019 at 14:16
jcc.22   Steganomobile en 23 May 2019 at 13:59