giannisgkountras / Encrypt-Decrypt

A text encryption-decryption program I created using Java.

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Encrypt-Decrypt

A text encryption-decryption program I created using Java. When you open the program you can chose to encrypt a given text using your unique given key, or to decrypt a text using the key used to encrypt it.

You can use this program to send encypted messages that no one except you and your friends who know the key you used, will understand.

Usage:

Encryption:

Type 1 and press enter.

Type the key you want to use for the encryption. You have to remember this key. You will have to use it to decrypt your text.

Copy your encrypted text without including the [ ] surrounding it.

For example your coppied text should look something like this:

180, -29, -73, -289, -434, -626, -651, -858, -919, -1166, -1221, -1450

You can send the encrypted text to anyone and they can decrypt it using the key.

Decryption:

Type the key used for the text's encryption.

Paste the text you want to decrypt without including the [ ] surrounding it.

For example your pasted text should look something like this:

180, -29, -73, -289, -434, -626, -651, -858, -919, -1166, -1221, -1450

The progam decrypts it and prints the original text.

In order to run the program

  1. Make sure you have java installed. You can check using: java -version

    If not installed you can download and install it from here: https://www.oracle.com/java/technologies/downloads/

  2. Make a new folder, download the files and put them inside the folder.

  3. Run RunMe.bat

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A text encryption-decryption program I created using Java.


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