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From: "J.O. Aho" <user@example.net>
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Subject: Re: OT: Convert from php to java / kotlin
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Date: Thu, 4 Nov 2021 14:57:19 +0100
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On 04/11/2021 12.37, Jakub wrote:
> 
> I have this function in php
> 
> 
>   function encrypt_decrypt($action, $string)
>   {
>       ...
>   }

Not the best function, specially when you have to tell what it should 
do, I would recommend to split things out in two functions, one for 
encryption and another for decryption. Keys either as a argument or set 
in the class object.


> how to translate to kotlin / java at android?

This is off topic here, as this ain't a java newsgroup, maybe 
comp.lang.java.help could be the place where to ask help to convert it 
to kotlin.

using a search engine should have given you this page (or other similar 
pages):

https://stackoverflow.com/questions/49340005/encrypt-decrypt-string-kotlin

More or less the code you asked for, except it's split into two 
functions, which makes it clearer what the function is meant to do.

-- 

  //Aho