Reading this, and skimming over your other comments I suspect that english isn't really your first or second language...consider asking a friend with a english

Reading this, and skimming over your other comments I suspect that english isn't really your first or second language...consider asking a friend with a english cert above FCE level to help you out with translations. No need for a professional service, but a wee bit better than currently might help you. Because...between "complicated data format" and "strong encryption algorithm", there are not just worlds, but universes. Subsequently, this correction also sounds suspicious to somebody who assumes you are fluent in english (or is used to it).