[FREE] AES Encrypt/Decrypt

[Alireza_Sharifi]

Introduction:

A non-visible extension to encrypt/decrypt texts with Advanced Encryption Standard algorithm
it's free and easy to use
under MIT Open source License

Written in : java
IDE: Niotron IDE -> website
Code refrence: gfg -> website

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Remeber:

Advantages of AES

• It allows the data to remain secure until it is revealed by a secret key.
• Many enterprises can now use it to keep hackers away from scrambling the information.
• For agencies that require data in an unbreakable format ad also transmitted safely, it is the most flexible and viable option.

The earliest AES was approved for National Security Agency, USA. Its speed turned out to be most useful along with the same secret key for sender and receiver and how long it is. The block cipher continues to be the star performer for the substitution-permutation combination. It also has additional security with round keys which require multiple modifications. Each stage/level of encryption performs an important function. Longer the key and more rounds ensure high performance.

I should mention that:

we use cipher-block chaining (CBC) mode of AES algorithm in this extension
it's 256 bit encryption. 
Also you can create SALT based on SHA-256 algorithm only by adding secret
and use them as best as you can !

hope you enjoy

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Also you see Source Code here :

Github:

Click Here!

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An Exmaple AIA:

test.aia (21.5 KB)

AIX File:

MareshaAES.aix (23.8 KB)

Documentation

Generate Salt , retrunType : String

Encrypt arbitrary string via AES , returnType : String

Decrypt Encrypted string via AES , returnType : String

Screenshot:

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Youtube video

AES Extension For App Inventor | Download link in Description

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[Taifun]

Please follow the naming conventions

Naming Conventions for Extension Developers

If you are developing an extension, then please follow the naming conventions, which is UpperCamelCase for the package name as well as for property, method and event names (i.e. the first letter should be a capital letter) and lowerCamelCase for parameter names, no underscores . Example [naming] What does UpperCamelCase mean? UpperCamelCase (part of CamelCase ) is a naming convention in which a name is formed of multiple words that are joined together as a single word with the first l…

Also you forgot to explain a little bit... for example which algorithm and mode did you choose?
And how can you generate Salt based on a password string? It looks like there is missing a method, isn't it?

Taifun
PS:I will hide this thread, until this is resolved

[Alireza_Sharifi]

Thanks

[Gordon_Lu]

Where is the documentation? Also, isn’t there already an extension available for this? Is there a need to create a new one with the exact same functions?

App Inventor Extensions: AES Encrypt/Decrypt | Pura Vida Apps

[Alireza_Sharifi]

@Gordon_Lu

Also, isn’t there already an extension available for this? Is there a need to create a new one with the exact same functions?

Yes It's available, but I think It's Not FREE

[I_Love_My_India]

Nice Extension iam using my project

[Taifun]

For those, who are interested in using this extension, let me recommend to first read this

Encrypting strings in Android: Let's make better mistakes - Tozny

to get an overview of the typical mistakes and compare with the source code of the extension here

GitHub - rezasharifi82/AES-extension: AES cryptography algorithm for MIT app...

Taifun