Passage: Encrypting File System (EFS) waxay bixisaa awood iyo user-transparent encryption of file kasta ama folder on mugga NTFS ah. EFS shaqeeya oo ay weheliso adeegga EFS, Microsoft ee CryptoAPI iyo EFS File System Run-Time Library (FSRTL). EFS shaqeeya by encrypting file leh furaha simmetric bulk (sidoo kale loo yaqaan File Encryption Key, ama FEK), kaas oo loo isticmaalo sababtoo ah waxay qaadataa waqti yar oo yar si loo encrypt iyo decrypt xaddi badan oo xogta ka badan haddii a key asymmetric loo isticmaalo. furaha simmetric in loo isticmaalo in lagu decrypt file ka dibna waxaa lagu encrypted leh furaha dadweynaha in uu yahay la file user, kuwaas oo encrypted file ah, iyo xogta this encrypted waxaa lagu kaydiyaa in kale oo loo beddelay ee encrypted faylka. Si kastaba ha ahaatee, EFS shaqeeya by encrypting file leh furaha simmetric (sidoo kale loo yaqaan File Encryption Key, ama FEK
furayaasha furfurista oo dheeraad ah