About

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.

Problems

Intro to Hashing

Hashing is a vital concept in cryptography.

Solved by 512
Intro to PGP

PGP is the gold standard for private communication between individuals.

Solved by 349
Hello PGP

Can you use PGP programmatically?

Solved by 216
Hello OpenSSL

Can you read and use an OpenSSL RSA key?

Solved by 149
1 2 3 ... 9 10 11 next