[zeepzeep]

> will have to be decrypted inside those platforms.

Only on the client.

> (IP protected) algorithm.

I hope that they do not use some secret IP protected crypto algo...

[baash05]

Well perhaps not a super secret algo. But perhaps not something standard either. Something strong than a norm. Might have interesting SALTS, or something like that.

[krageon]

This is quite simply not something you can expect. If any part of it needs to remain secret, it is not strong.