Below are some problems related to computer security (specifically poorly implemented security). Do Them. You are free to use any language and environment you like to complete them. The problems require familiarity with programming, but not necessarily with applied cryptography or computer security in general. An understanding of how some of the algorithms and tools in the problems work will be of use, so as a starting point you can find some resources to help you begin here. If this topic is new to you, you may want to start with the Tutorial Problems.


Backdoored PRNG

Exploit a backdoor in an elliptic curve based PRNG

Solved by 33

Should probably stick to the salad

Solved by 352

One of the most difficult problems to pronounce

Solved by 148
Rail Fence

Personally I would never rail a fence

Solved by 181
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