AES

AES encryption, decryption in C++ and simple Diffie-Hellman in python3 and C++, as "Introduction to Cryptography" course project.

• part 1: aes encryption
• part 2: aes decryption
• part 3: Diffie-Hellman

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Useful links for implementation:

• Mix columns:
  • https://de.wikipedia.org/wiki/Rijndael_MixColumns
  • https://crypto.stackexchange.com/questions/2569/how-does-one-implement-the-inverse-of-aes-mixcolumns
  • https://crypto.stackexchange.com/questions/2402/how-to-solve-mixcolumns
• S-box:
  • https://en.wikipedia.org/wiki/Rijndael_S-box
  • https://cryptography.fandom.com/wiki/Rijndael_S-box