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Hash passwords, create own blockchain, hide a massage inside an image

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Cryptography

My code from the Cryptography classes.
The tasks were prepared by Tomasz Jach.

Some tasks are missing because they were not strictly connected to programming.

Tasks:

  • Task 01 - Warmup exercise, perform an automatic Caesar cipher breaker.
  • Task 02 - Implement the hashlib functions and then check their speed
  • Task 03 - Implement a way of storing passwords in the database (I used MongoDB)
  • Task 04 - Create an API allowing the user to use the Symmetric and Asymmetric functions from the Cryptography library
  • Task 05 - Create your own cipher
  • Task 07 - Create your own blockchain
  • Task 10 - Design and write a steganography program