Encrypt on mobile

[Mark Talluto]

On Jan 1, 2013, at 8:34 AM, Jan Schenkel <janschenkel at yahoo.com> wrote:

> Hi all,
> 
> Working on permissions and password protection for Quartam PDF Library, and I have a need for RC4 encryption at 40 bits.
> Actually, I do have a working plain LiveCode implementation by now, but the 'encrypt' command can do it too and is much faster.
> 
> Here's the rub: I read in the release notes for the mobile versions that "industrial strength encryption" is not supported.
> So here's a few questions for the iOS/Android developers on the list:
> - does a script with 'the cipherNames' or 'encrypt' in it still work, or does it fail to compile? 
> - does 'the cipherNames' return empty or does it generate an error?
> - does the 'encrypt' command return an error in 'the result' or does it generate an error?
> 
> An example of a simple test script:
> ##
> on mouseUp
>   put "plain text" into tData
>   put "dakey" into tKey -- 40 bits = 5 bytes
>   if "rc4-40,40" is among the lines of the cipherNames then
>     encrypt tData using "rc4-40" with key tKey
>     if the result is not empty then
>       answer error the result
>     else
>       answer information "RC4-40 returned:" && it
>     end if
>   else
>     answer information "RC4-40 not available"
>   end if
> end mouseUp
> ##
> 
> Thanks in advance for the feedback!
> 
> Jan Schenkel.
>  
> =====
> Quartam Reports & PDF Library for LiveCode
> www.quartam.com


Monte has an external for doing AES encryption. It works on iOS for the moment. 

Mark Talluto
canelasoftware.com