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.

 19 Challenges

Results Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Gunnm 16% 28692 5 g0uZ 3
pas_valide Squared 13% 21905 5 g0uZ 6
pas_valide Dot and next line 7% 11034 10 SQalp 1
pas_valide Steganomobile 10% 16906 10 Ryscrow 2
pas_valide Twitter Secret Messages 7% 11077 10 xblade 2
pas_valide Some noise 5% 8894 15 Hackira 3
pas_valide George and Alfred 8% 13125 15 g0uZ 1
pas_valide Yellow dots 2% 1899 15 LetMeR00t 3
pas_valide Audio stegano 4% 5620 20 stickmen 6
pas_valide We need to go deeper 3% 5293 20 whoaim 7
pas_valide Base Jumper 1% 731 25 pickle 2
pas_valide Hide and seek 1% 152 25 swap89 0
pas_valide PDF Object 2% 1984 25 eilco 6
pas_valide Angecryption 1% 346 30 pickle 1
pas_valide Kitty spy 1% 540 30 LetMeR00t 1
pas_valide LSB - Uncle Scrooge 1% 1073 30 koma 1
pas_valide Pixel Indicator Technique 1% 359 30 LetMeR00t 1
pas_valide Pixel Value Differencing 1% 275 30 LetMeR00t 1
pas_valide Crypt-art 3% 4321 35 m31z0nyx 2

Challenge Results Challenge Results

Pseudo Challenge Lang date
Letrippe   George et Alfred 27 May 2020 at 01:05
Letrippe   Pas très carré 27 May 2020 at 00:57
tayki   Pas très carré 26 May 2020 at 23:56
Fin²   Twitter Secret Messages 26 May 2020 at 23:56
RooTor   Pas très carré 26 May 2020 at 23:43
Syzik   Base Jumper 26 May 2020 at 23:40
Fin²   Steganomobile 26 May 2020 at 23:36
zura02   Twitter Secret Messages 26 May 2020 at 23:31
tayki   Point à la ligne 26 May 2020 at 23:29
zura02   Steganomobile 26 May 2020 at 23:24