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 11 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Gunnm 15% 6396 5 g0uZ 1
pas_valide Squared 12% 4924 5 g0uZ 3
pas_valide Some noise 8% 3069 10 g0uZ 1
pas_valide Dot and next line 5% 1992 10 SQalp 0
pas_valide Steganomobile 10% 4104 10 Ryscrow 1
pas_valide Twitter Secret Messages 1% 421 10 xblade 1
pas_valide George and Alfred 11% 4337 15 g0uZ 1
pas_valide Audio stegano 3% 1200 25 stickmen 2
pas_valide We need to go deeper 4% 1385 25 whoaim 4
pas_valide LSB - Uncle Scrooge 1% 407 30 koma 1
pas_valide Crypt-art 4% 1294 35 m31z0nyx 1

Challenge Results Challenge Results

Pseudo Challenge Lang date
ces.otia   Audio stégano fr 22 January 2017 at 02:44
ces.otia   We need to go deeper fr 22 January 2017 at 02:42
baguette   George et Alfred fr 22 January 2017 at 01:49
Kara71   Twitter Secret Messages fr 22 January 2017 at 00:46
mohamed   Squared en 21 January 2017 at 23:27
mohamed   Gunnm en 21 January 2017 at 23:21
Insomniak   George et Alfred fr 21 January 2017 at 22:54
Xeo   Squared en 21 January 2017 at 22:45
Will Routiou   Twitter Secret Messages fr 21 January 2017 at 22:32
rodead   Gunnm fr 21 January 2017 at 22:20