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 13 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Gunnm 16% 9239 5 g0uZ 1
pas_valide Squared 12% 7146 5 g0uZ 3
pas_valide Dot and next line 5% 2692 10 SQalp 1
pas_valide Steganomobile 10% 5595 10 Ryscrow 2
pas_valide Twitter Secret Messages 4% 1933 10 xblade 1
pas_valide Some noise 7% 4056 15 Hackira 0
pas_valide George and Alfred 10% 5563 15 g0uZ 1
pas_valide Audio stegano 3% 1741 25 stickmen 4
pas_valide PDF Object 1% 245 25 eilco 1
pas_valide We need to go deeper 4% 2219 25 whoaim 4
pas_valide LSB - Uncle Scrooge 1% 569 30 koma 1
pas_valide Pixel Indicator Technique 1% 37 30 LetMeR00t 0
pas_valide Crypt-art 4% 1971 35 m31z0nyx 1

Challenge Results Challenge Results

Pseudo Challenge Lang date
74K50N   Gunnm en 21 August 2017 at 11:48
idhem   Pixel Indicator Technique fr 21 August 2017 at 11:47
Ronny   Steganomobile fr 21 August 2017 at 11:13
Ronny   Pas très carré fr 21 August 2017 at 11:07
Ronny   Gunnm fr 21 August 2017 at 11:03
marso   George et Alfred fr 21 August 2017 at 11:02
Riya Sharma   Steganomobile en 21 August 2017 at 07:30
swapnil   Steganomobile en 21 August 2017 at 07:28
Riya Sharma   Squared en 21 August 2017 at 07:20
swapnil   Squared en 21 August 2017 at 07:19