# Cryptography Help
**URL:** https://community.thunkable.com/t/cryptography-help/1673110
**Category:** Questions about Thunkable X
**Created:** [January 14, 2022, 7:38pm UTC](https://community.thunkable.com/t/cryptography-help/1673110 "2022-01-14T19:38:50Z")
**Posts on this page:** 16
**Page:** 1
### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 14, 2022, 7:38pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/1 "2022-01-14T19:38:50Z")
Hi I am creating a texting app using firebase and would like to encode and decode the messages as i am able to see messages on firebase console
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 15, 2022, 8:42am UTC](https://community.thunkable.com/t/cryptography-help/1673110/2 "2022-01-15T08:42:59Z")
Hello can any one help?
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### Author:  [@muneer](https://community.thunkable.com/u/muneer)
#### Post date: [January 15, 2022, 3:15pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/3 "2022-01-15T15:15:58Z")
Try this.
This is Base64 encryption
[https://x.thunkable.com/projectPage/60ba3f2079d6dc001150abe7](https://x.thunkable.com/projectPage/60ba3f2079d6dc001150abe7)
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### Author:  [@jared](https://community.thunkable.com/u/jared)
#### Post date: [January 15, 2022, 3:24pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/4 "2022-01-15T15:24:42Z")
Nice @muneer!!!
This block combo would work too if coded for!
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 15, 2022, 3:52pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/5 "2022-01-15T15:52:04Z")
Thank you so much for the help @muneer and @jared
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 15, 2022, 3:55pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/6 "2022-01-15T15:55:50Z")
How would you go about decrypting
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### Author:  [@muneer](https://community.thunkable.com/u/muneer)
#### Post date: [January 15, 2022, 6:41pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/7 "2022-01-15T18:41:40Z")
> [@sc\_games](#):
>
> decrypting
In JavaScript the functions are atob() and btoa().
You can create a new HTML file and just change the function. Everything else is the same.
**[Edit]**
I changed the sample project to have both Encrypt and Decrypt. @sc_games you can remix the project to test the changes.
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### Author:  [@muneer](https://community.thunkable.com/u/muneer)
#### Post date: [January 15, 2022, 8:29pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/8 "2022-01-15T20:29:28Z")
> [@jared](#):
>
> if coded for
Yes, currently it is using the `receiveMessage` function. For the **combo** to work the code needs to be changed to `receiveMessageWithReturnValue` which I have not previously used.
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 16, 2022, 8:26am UTC](https://community.thunkable.com/t/cryptography-help/1673110/9 "2022-01-16T08:26:45Z")
Thank you for the help!
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 16, 2022, 10:13am UTC](https://community.thunkable.com/t/cryptography-help/1673110/10 "2022-01-16T10:13:51Z")
What is wrong with my code? @muneer I am having problems
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### Author:  [@muneer](https://community.thunkable.com/u/muneer)
#### Post date: [January 16, 2022, 10:27am UTC](https://community.thunkable.com/t/cryptography-help/1673110/11 "2022-01-16T10:27:14Z")
> [@sc\_games](#):
>
> What is wrong with my code?
`Value From Post Message` does **not** work. Use `Post Message` as in my example.
**[Edit]**
Just a reminder note, there was a reported problem in the `Web Viewer` that it does not work with HTML files added in the project (packaged html).
It should work using the `web test` from the computer and if you find it not working from the mobile then you would need to save the HTML file in a cloud/server and use the URL of the file for the `Web Viewer`.
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 16, 2022, 8:00pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/12 "2022-01-16T20:00:14Z")
Hi it still not working I have used firebase storage to store the html files is that ok @muneer ?
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 23, 2022, 10:18am UTC](https://community.thunkable.com/t/cryptography-help/1673110/13 "2022-01-23T10:18:03Z")
please help @muneer
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### Author:  [@sc\_games](https://community.thunkable.com/u/sc_games)
#### Post date: [January 23, 2022, 10:22am UTC](https://community.thunkable.com/t/cryptography-help/1673110/14 "2022-01-23T10:22:13Z")
Also i believe your template project is not working anymore
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### Author:  [@muneer](https://community.thunkable.com/u/muneer)
#### Post date: [January 23, 2022, 12:51pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/15 "2022-01-23T12:51:26Z")
> [@sc\_games](#):
>
> firebase storage to store the html files
This will not work.
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### Author:  [@system](https://community.thunkable.com/u/system)
#### Post date: [April 23, 2022, 12:51pm UTC](https://community.thunkable.com/t/cryptography-help/1673110/16 "2022-04-23T12:51:50Z")
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