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 19 Challenges

Results Challenge's Name Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Gunnm 16% 23399 5 g0uZ 1
pas_valide Squared 12% 17826 5 g0uZ 5
pas_valide Dot and next line 6% 8432 10 SQalp 1
pas_valide Steganomobile 9% 13786 10 Ryscrow 2
pas_valide Twitter Secret Messages 6% 8668 10 xblade 1
pas_valide Some noise 5% 7371 15 Hackira 3
pas_valide George and Alfred 8% 10992 15 g0uZ 1
pas_valide Yellow dots 1% 358 15 LetMeR00t 0
pas_valide Audio stegano 3% 4575 20 stickmen 6
pas_valide We need to go deeper 3% 4331 20 whoaim 7
pas_valide Base Jumper 1% 553 25 pickle 1
pas_valide Hide and seek 1% 47 25 swap89 0
pas_valide PDF Object 2% 1659 25 eilco 4
pas_valide Angecryption 1% 284 30 pickle 1
pas_valide Kitty spy 1% 402 30 LetMeR00t 1
pas_valide LSB - Uncle Scrooge 1% 888 30 koma 1
pas_valide Pixel Indicator Technique 1% 269 30 LetMeR00t 1
pas_valide Pixel Value Differencing 1% 182 30 LetMeR00t 1
pas_valide Crypt-art 3% 3539 35 m31z0nyx 2

Challenge Results Challenge Results

Pseudo Challenge Lang date
Rems   Gunnm fr 17 October 2019 at 22:09
Siwar12   Steganomobile fr 17 October 2019 at 21:47
otarino   Du bruit fr 17 October 2019 at 21:45
rinatmukaev   Some noise en 17 October 2019 at 21:35
現代的戰士   Point à la ligne fr 17 October 2019 at 21:35
wszostak   Yellow dots en 17 October 2019 at 20:48
Kharnox   Points jaunes fr 17 October 2019 at 20:21
o101010   Points jaunes fr 17 October 2019 at 20:02
Rose_Hip   Audio stegano en 17 October 2019 at 19:57
otarino   George et Alfred fr 17 October 2019 at 19:52