Encrypt a File in C#

In this article we will discuss about how to Encrypt a File in C#.

The File class provides the Encrypt and the Decrypt methods to restrict other users to open and read a file. 

Encrypt a File in C#

The Encrypt method encrypts a file so that only the account used to encrypt the file can decrypt it.

string fileName = @"c:\temp\Mahesh.txt";
File.Encrypt(fileName);

Decrypt a File in C#

The Decrypt method decrypts an encrypted file. Only account that has encrypted a file can decrypt a file.

string fileName = @"c:\temp\Mahesh.txt";
File.Decrypt(fileName);