Which of the following two cryptography methods are used by NTFS Encrypting File System (EFS) to encrypt the data stored on a disk on a file-by-file basis?
The two cryptography methods used by NTFS Encrypting File System (EFS) to encrypt the data stored on a disk on a file-by-file basis are:
C. Public key
D. RSA
NTFS EFS uses a combination of symmetric and asymmetric encryption. The file's data is encrypted with a symmetric key, and this symmetric key is then encrypted with the user's public key (asymmetric encryption) for secure storage. The user's private key is needed to decrypt the symmetric key, providing access to the file's data.
D is correct, too. EFS uses RSA for file encryption.
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