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% 22209 5 g0uZ 1
pas_valide Squared 12% 16934 5 g0uZ 5
pas_valide Dot and next line 6% 7848 10 SQalp 1
pas_valide Steganomobile 10% 13081 10 Ryscrow 2
pas_valide Twitter Secret Messages 6% 8201 10 xblade 1
pas_valide Some noise 5% 7039 15 Hackira 3
pas_valide George and Alfred 8% 10509 15 g0uZ 1
pas_valide Audio stegano 4% 4388 25 stickmen 6
pas_valide Base Jumper 1% 517 25 pickle 1
pas_valide PDF Object 2% 1586 25 eilco 4
pas_valide We need to go deeper 3% 4198 25 whoaim 7
pas_valide Angecryption 1% 273 30 pickle 1
pas_valide Kitty spy 1% 375 30 LetMeR00t 1
pas_valide LSB - Uncle Scrooge 1% 869 30 koma 1
pas_valide Pixel Indicator Technique 1% 248 30 LetMeR00t 1
pas_valide Pixel Value Differencing 1% 162 30 LetMeR00t 1
pas_valide Crypt-art 3% 3424 35 m31z0nyx 2

Challenge Results Challenge Results

Pseudo Challenge Lang date
Kaoru   Pas très carré fr 16 August 2019 at 22:16
Kaoru   Gunnm fr 16 August 2019 at 22:13
anthony   Pas très carré fr 16 August 2019 at 20:37
theMurat   Squared en 16 August 2019 at 19:41
theMurat   Gunnm en 16 August 2019 at 19:20
Gortex   Crypt-art fr 16 August 2019 at 18:57
siroc   Kitty spy en 16 August 2019 at 18:37
s20v13s   Gunnm en 16 August 2019 at 17:50
Arthuraaa   Point à la ligne fr 16 August 2019 at 17:21
rpetetin   Pas très carré fr 16 August 2019 at 17:16