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This is a project designed to make Encrypting and Decrypting files easy.

License: The Unlicense

Java 100.00%

encryption decryption

file-cryptifier's Introduction

File-Cryptor

This is a Team-Based Project for an Object Oriented Design Course at CSU. The purpose of this project is to have at least two Design Patterns. We are using Strategy and Model-View-Controller as our two Design Patterns. This program will allow any user to encrypt and decrypt any message using either Symmetric Key Cryptography or Asymmetric Key Cryptography.

How to use our Program:

This will show you how to use our program without errors.

Encrypting & Decrypting With Symmetric Key:

For this, select the Symmetric radio button and select a file you want to use and set a password.

https://gfycat.com/CraftyRaggedKillerwhale

Encrypting & Decrypting With Asymmetric Key:

For this, select the Asymmetric radio button and select the file you want to use. Next either generate keys or select the keys you would like to use. Generating keys selects them for you so you don't have to.

https://gfycat.com/PerfectAcidicAntelope

Authors

Tyler Staut - Lead Design
Matt Bowen - Supporting Programmer
Daniel Ashley - Supporting Programmer

file-cryptifier's People

Contributors

Watchers

Forkers

pankajwankhede navya1029

file-cryptifier's Issues

Fix Errors in Encryption and Decryption Methods

Problems in the encryption and decryption algorithms must be addressed.

Asymmetric Encryption Failure

DES encryption will not work for large files. We are limited to be able to encrypt or decrypt ((Key Size / 8) - 11) bytes of data at a time which does not work for all files. A potential fix would be to use Elliptic Curve Cryptography for this or potentially use Base64 encryption and decryption alongside DES to get the bytes of a file down to a proper size to encrypt or decrypt using DES or some other Asymmetric Cryptography method.

Bluej and Intellij Issue fix

Previous problems with Bluej and linking it to the project has been solved if issues arise will switch back to Intelij

File Output is Incorrect

When the user selects the output file it is not accepted.

Asymmetric Key Encryption Issue

There is going to be a problem if a user tries to make their own key for this type of encryption. There needs to be something that the user can do to make the keys and then use those keys later. This may also require changing the keys that from type String to a type Key.

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