<prompt> Passage: Encrypting File System EFS e fana ka matla le go šomiša-transparent encryption ya faele efe goba efe goba folda ka NTFS bolumo. EFS e šoma mmogo le tirelo ya EFS, Microsoft ya CryptoAPI le EFS File System Run-Time Library FSRTL. EFS e šoma ka go encrypting faele ka bulk symmetric key gape e tsebjago bjalo ka File Encryption Key, goba FEK, yeo e šomišwago ka lebaka la gore e tšea nako e nnyane go encrypt le go decrypt data e kgolo go feta ge e le gore asymmetric key cipher e a šomišwa.  <response>: dinotlelo tša tlaleletšo tša go hlatholla 