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Cryptographic ciphers

All lectures: All lectures on the discipline: cryptographic ciphers are collected here. These fascinating lectures provide us with the opportunity to explore the deep principles and phenomena underlying our knowledge and our desire to understand the world.


1. Architecture of block ciphers (part 1)
2. Architecture block ciphers. Part 2
3. Architecture block ciphers. Part 3
4. Symmetric ciphers
5. Caesar cipher example
6. Viginer code, example
7. Code Atbash example
8. Code of Playfera example
9. Code ADFGVX, example
10. XOR encryption example
11. Code Vernama example
12. Code IDEA, Algorithm
13. RC2 cipher algorithm
14. Cipher rc4
15. Cipher RC5 (Rons Code 5 or Rivests Cipher 5) Algorithm, cryptoresistance
16. Cipher RC6, Algorithm Examples
17. DES cipher, Algorithm
18. Triple DES algorithm
19. Rijndael (AES) options
20. RSA CRYPTOSYSTEM, digital signature
21. SSL, HTTPS
22. Hybrid ciphers. PGP and GnuPG
23. PGP hybrid cryptosystem, algorithm
24. End-to-end encryption
25. HSTS mechanism activating the forced secure connection via the HTTPS protocol
26. Chain of certificates: root, intermediate
27. RC4 - ARC4 или ARCFOUR (alleged RC4) — потоковый шифр