Looking for text/string hash extension

[lladam]

Hi all.

I'd like to md5 the image string, checked TIM's GetFileSha256, seems it is for files?
any more suggession please.
thanks.

[TIMAI2]

Check out Taifun's Tools extension.

[lladam]

thanks.
I'll check there.

[TIMAI2]

There is also this:

[Free] Just hmac256 HASH

This function is available in a few extensions, and can also be found as a javascript function for the webviewer, but another personal use single function extension for you. Developers should provide for protecting their users data wherever possible especially their passwords used for signing up and signing in. This extension provides for that by helping to store their data with a one way hash. Latest version : 1.0 Tested : tested on App Inventor 2 (n199), in companion (2.73u) and compiled on…

[lladam]

Thanks.
I got MD5 works.

the problem now is the image color distortion, I guess some thing setting wrong in my APP or? because there is no regulation there, only thing found is displayed image background looks like the color circles - halo surrounds the light source？