CrypTool 4+

Name: CrypTool
Author: Arthur Guiot

Arthur Guiot

- Free

Description

This is the official app of CrypTool, an organization that is supposed to explain and implement ciphers in several programming languages, to help people understand and create new ciphers. We don't teach security but the art of hiding the content of a message.

With this app, you'll be able to learn cryptography in a fun way, by completing challenges that are just the right level to make you think a little bit.

Most of our ciphers are already implemented in this app, and we'll keep implementing new ones.

Our app is not, in any case, a way of communicating securely, security is not our goal. We simply teach the basics, and we let users experiment with ciphers.

Interesting and fun to use

Great choices of encryptions to learn but I honestly would enjoy this more if there was an option to use and learn the bifid cipher

Not sure what's going on

I really like what's provided on this app, the only problem is when I type in the correct answer it doesn't do anything. I’ve checked my answers with the provided cipher section and they are right, but it doesn't do anything when I type it into the answer bar. Weirdly enough it did tell me I was right for the emoji one, just none of the others. If this gets fixed I will change my review to five stars because it is a great app.

Sorry for the late answer, but it's now fixed. Thank you for letting us know.

The developer, Arthur Guiot, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.