Steganography

The art of hiding information in a document.

 20 Challenges

Results Name ↓↑ Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution Date
pas_valide Angecryption 1% 468 30 pickle 1 17 September 2017
pas_valide Audio stegano 4% 7514 20 stickmen 7 2 October 2011
pas_valide Base Jumper 1% 1034 25 pickle 3 3 March 2018
pas_valide Crypt-art 3% 5609 35 m31z0nyx 2 11 December 2011
pas_valide Dot and next line 7% 15477 10 SQalp 1 16 June 2013
pas_valide George and Alfred 7% 16487 15 g0uZ 1 20 December 2014
pas_valide Gunnm 16% 37838 5 g0uZ 3 7 October 2006
pas_valide Hide and seek 1% 291 25 swap89 1 22 September 2019
pas_valide Kitty spy 1% 763 30 LetMeR00t 2 9 July 2018
pas_valide LSB - Uncle Scrooge 1% 1327 30 koma 1 21 March 2012
pas_valide PDF Object 2% 2608 25 eilco 7 23 July 2017
pas_valide Pixel Indicator Technique 1% 624 30 LetMeR00t 1 7 August 2017
pas_valide Pixel Value Differencing 1% 521 30 LetMeR00t 1 7 November 2017
pas_valide Poem from Space 1% 1100 15 Cryptanalyse 3 15 July 2020
pas_valide Some noise 6% 11973 15 Hackira 3 7 October 2006
pas_valide Squared 13% 28750 5 g0uZ 10 7 October 2006
pas_valide Steganomobile 10% 22347 10 Ryscrow 2 29 April 2011
pas_valide Twitter Secret Messages 7% 15586 10 xblade 3 21 December 2016
pas_valide We need to go deeper 3% 6904 20 whoaim 7 12 August 2015
pas_valide Yellow dots 2% 3513 15 LetMeR00t 5 29 September 2019

Challenge Results Challenge Results

Pseudo Challenge Lang Date
Swananas   Gunnm 28 October 2021 at 12:17
Skewtus   Gunnm 28 October 2021 at 12:13
Acami   George et Alfred 28 October 2021 at 11:59
0xsysr3ll   Poem from Space 28 October 2021 at 11:46
beepoo   Steganomobile 28 October 2021 at 11:24
beepoo   Point à la ligne 28 October 2021 at 11:17
ebn   Pas très carré 28 October 2021 at 10:56
Acami   Twitter Secret Messages 28 October 2021 at 10:51
Acami   Point à la ligne 28 October 2021 at 10:38
Laister   Twitter Secret Messages 28 October 2021 at 10:04