Libre SHA256 HMAC?

[TIMAI2]

You can probably use JavaScript with a webviewer if working with strings...

Examples of creating base64 hashes using HMAC SHA256 in different languages -...

You could also use android's linux shell

Using LINUX commands in App Inventor. Extension

Hello friends, with this extension we are going to use some LINUX commands. com.KIO4_Terminal.aix With this block we can copy files from the assets to SdCard. This block only works with the compiled app (Build). It needs AskForPermission = WRITE_EXTERNAL_STORAGE [extension_terminal3] [shell_permiss] oooooooooooooooOOOOOOOOOOOOOoooooooooooooo With this block we can copy files from the assets to the internal cache directory of the same application. We will get the address of the accessi…