Слайд 2Contents
Cryptos
Steganography
Cryptanalysis
![Contents Cryptos Steganography Cryptanalysis](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1113887/slide-1.jpg)
Слайд 3Crypto Basics
Write a program that encrypts and decrypts using the following algorithms
![Crypto Basics Write a program that encrypts and decrypts using the following](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1113887/slide-2.jpg)
(one algorithm for each one of them):
Substitution Cipher
Transposition Cipher
Rotor Machines or Simple XOR
http://www.crypto-it.net/eng/simple/index.html
Слайд 4Steganography Basics
Image: https://stylesuxx.github.io/steganography/
Audio: Deep Sound (http://jpinsoft.net/deepsound)
Covert channels: Tunnelshell (ICMP)
https://betterprogramming.pub/a-guide-to-video-steganography-using-python-4f010b32a5b7
![Steganography Basics Image: https://stylesuxx.github.io/steganography/ Audio: Deep Sound (http://jpinsoft.net/deepsound) Covert channels: Tunnelshell (ICMP) https://betterprogramming.pub/a-guide-to-video-steganography-using-python-4f010b32a5b7](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1113887/slide-3.jpg)
Слайд 5Cryptanalysis
Decode the following data:
“Chyrljuuh, j lxvyuncn cajwbvrbrxw fxdum rwludmn cqn bnwmna’b jwm
![Cryptanalysis Decode the following data: “Chyrljuuh, j lxvyuncn cajwbvrbrxw fxdum rwludmn cqn](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/1113887/slide-4.jpg)
anlnrena’b ljuu-brpwb, oanzdnwlh, brpwju bcanwpcq, anjmjkrurch, rwcnalnyc bcjcrxw wdvkna, crvn xo xarprw, dapnwlh, wdvkna xo yjacb rw cqn brpwju, wdvkna xo ldaanwc yjac, wdvkna xo unccnab rw ldaanwc yjac, Tnwwpadyyn mrblarvrwjwc (cx bcjcn fqrlq tnh fjb knrwp dbnm - CGV rw cqrb ngjvyun) jwm Padwmbcnuudwp (AWO rw cqrb ngjvyun). Cqrb fjb juu cajwbvrccnm nw lujra jwm oxuuxfnm kh cqn nwlryqnanm vnbbjpn-bnccrwp (KTC rw cqrb ngjvyun), cqn nwlryqnanm vnbbjpn jwm orwjuuh cqn nwm xo vnbbjpn brpwju.”