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Cryptography Challenges

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Welcome to the CS Tutoring Center cryptography programming problems page! Here, you will find our list of cryptography programming challenges.

You are NOT restricted to using C++ or Java. You may use ANY programming language of your choosing but all of these programming challenges can be solved by using either C++ or Java. You may even solve these by paper and pencil, the good old fashioned way.

If anyone has any suggestions for a problem, contact us and who knows, we might just use it. Remember, a submission counts as 100 rewards points for a regular member but 200 points for a premier member!

In order to submit answers to the cryptography problems, please register here for FREE.. This will allow you to keep track of your rating as well as the problems you have solved.

Order by level: All | Beginners | Intermediates | Advanced



***View our leader-board here***

To access these problems, click the title of the problem.
Remember, you receive 25 rewards points for solving a problem
or 50 if you are a premier member.

ProblemProblem TitleSolved By
1Substitution24
2Entertainment10
3The World28
4A Nice Compliment75
5Being a tourist73
6Celebration41
7What Did He Say?45
8In Plain Sight20
9War Time65
10Another War67
11Security Breach65
12Traffic Jam1
13What is it?37
14My Brain Hurts63
15Custom Function56