[Kenny252]

Goal: Encrypt and Decrypt strings

To start create a new Console project:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/prj.png[/img]

Next, right click on your projects folder in the solution explorer and hit add new item:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/newclass.png[/img]

Then, select class from the list and call it whatever you want:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/newclass2.png[/img]

After that, start off by writing the functions:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/functions.png[/img]

Then declare the variables we will be using:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/declarations.png[/img]

Now comes the part for encrypting the string using the password:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/encrypt.png[/img]

Now to code the inverse of the encrypt so we are able to decrypt:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/Decrypt.png[/img]

Now to keep exceptions out add try statements to the encrypt and decrypt functions:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/trysts.png[/img]

The reason for error could be invalid input or to high value for the Chr()


Now implement it into the main module:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/module.png[/img]

Success:
Spoiler (Click to View)[img]http://flashgames365.comoj.com/img/success.png[/img]

Explanation:
Spoiler (Click to View)

So first you create the project, simple. Then create a new class and inside the class add two functions, encrypt and decrypt. Now for how the encrypting works is it gets the ASCII value of the character then does a bit of math to it and then spits it into the temp variable as a different char. Then for each char it adds the new char to the value of the function.

The decryption is the EXACT same thing but has inverse operations on the math.

If you will note, in the module I declared a variable as BasicStringEncryption = New BasicStringEncryption which is a new instance of the Class.



Download my own more neat string encryption and decryption program

Virus Scan for those of you who want one:

Spoiler (Click to View)Link

-Kenny252

[marvinn]

Why using a seperate class? Btw, if you do. Why don't you use Shared Subs..?

[Kenny252]

Why using a seperate class? Btw, if you do. Why don't you use Shared Subs..?

About the class, you can just include it in other projects if you want to use it in others and for shared subs well this is just how I made the tutorial.

[marvinn]

u mad bro? It would be easyer to do it like Class.Encrypt() then New class().Encrypt().. Just sayin don't be mad ;o

[xDISFIGURE]

Nice share thanks ;) ! really basic but very good !

[ProjectZerg]

Thanks, this guide was really informative. This method isn't that good though because your password is limited. It has to be a number and if your password exceeds a certain amount your algorithm can not convert it to a character.

Thanks for sharing!

u mad bro? It would be easyer to do it like Class.Encrypt() then New class().Encrypt().. Just sayin don't be mad ;o

You're a retard.

[Kenny252]

u mad bro? It would be easyer to do it like Class.Encrypt() then New class().Encrypt().. Just sayin don't be mad ;o

Wasnt mad but yeah I get what your saying.