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 Hide and seek 1% 122 25 swap89 0
pas_valide Angecryption 1% 320 30 pickle 1
pas_valide Dot and next line 6% 10120 10 SQalp 1
pas_valide Pixel Value Differencing 1% 236 30 LetMeR00t 1
pas_valide George and Alfred 8% 12387 15 g0uZ 1
pas_valide Pixel Indicator Technique 1% 319 30 LetMeR00t 1
pas_valide LSB - Uncle Scrooge 1% 1019 30 koma 1
pas_valide Kitty spy 1% 485 30 LetMeR00t 1
pas_valide Crypt-art 3% 4048 35 m31z0nyx 2
pas_valide Steganomobile 10% 15832 10 Ryscrow 2
pas_valide Twitter Secret Messages 6% 10170 10 xblade 2
pas_valide Base Jumper 1% 645 25 pickle 2
pas_valide Gunnm 16% 26836 5 g0uZ 3
pas_valide Yellow dots 1% 1394 15 LetMeR00t 3
pas_valide Some noise 5% 8286 15 Hackira 3
pas_valide PDF Object 2% 1854 25 eilco 6
pas_valide Squared 12% 20430 5 g0uZ 6
pas_valide Audio stegano 4% 5209 20 stickmen 6
pas_valide We need to go deeper 3% 4915 20 whoaim 7

Challenge Results Challenge Results

Pseudo Challenge Lang date
cdtorrest   Twitter Secret Messages 26 February 2020 at 01:32
cdtorrest   Steganomobile 26 February 2020 at 01:12
cdtorrest   Dot and next line 26 February 2020 at 01:03
cdtorrest   Squared 26 February 2020 at 00:37
T0X1C_R00T   We need to go deeper 26 February 2020 at 00:32
hades   Dot and next line 26 February 2020 at 00:16
cdtorrest   Gunnm 26 February 2020 at 00:04
hades   Squared 26 February 2020 at 00:02
hades   Gunnm 25 February 2020 at 23:58
Naaman   We need to go deeper 25 February 2020 at 23:30