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.

 20 Challenges

Results Name ↓↑ Validations Number of points  Explanation for the scores Difficulty  Difficulty Author Note  Notation Solution
pas_valide Angecryption 1% 384 30 pickle 1
pas_valide Audio stegano 4% 6230 20 stickmen 6
pas_valide Base Jumper 1% 825 25 pickle 2
pas_valide Crypt-art 3% 4744 35 m31z0nyx 2
pas_valide Dot and next line 7% 12579 10 SQalp 1
pas_valide George and Alfred 8% 14252 15 g0uZ 1
pas_valide Gunnm 16% 31871 5 g0uZ 3
pas_valide Hide and seek 1% 194 25 swap89 0
pas_valide Kitty spy 1% 622 30 LetMeR00t 1
pas_valide LSB - Uncle Scrooge 1% 1159 30 koma 1
pas_valide PDF Object 2% 2188 25 eilco 6
pas_valide Pixel Indicator Technique 1% 423 30 LetMeR00t 1
pas_valide Pixel Value Differencing 1% 335 30 LetMeR00t 1
pas_valide Poem from Space 1% 381 15 Cryptanalyse 0
pas_valide Some noise 5% 9893 15 Hackira 3
pas_valide Squared 13% 24309 5 g0uZ 6
pas_valide Steganomobile 10% 18799 10 Ryscrow 2
pas_valide Twitter Secret Messages 7% 12610 10 xblade 2
pas_valide We need to go deeper 3% 5808 20 whoaim 7
pas_valide Yellow dots 2% 2510 15 LetMeR00t 3

Challenge Results Challenge Results

Pseudo Challenge Lang date
ZaiiMx   Crypt-art 23 November 2020 at 18:37
user18081971   Twitter Secret Messages 23 November 2020 at 18:12
user18081971   Steganomobile 23 November 2020 at 18:03
naiach   We need to go deeper 23 November 2020 at 18:00
TKSS   Crypt-art 23 November 2020 at 17:50
BNad   George et Alfred 23 November 2020 at 17:19
Robby   Objet PDF 23 November 2020 at 17:13
AllThi   We need to go deeper 23 November 2020 at 16:58
BNad   Steganomobile 23 November 2020 at 16:57
Spielberguebuc   We need to go deeper 23 November 2020 at 16:54