Encryption
is a way to improve the security of a message or file by converting data into
ciphertext form, so it can not be understood by just anyone. Encryption
can keep the confidentiality of messages, but still requires other techniques
to protect the authenticity of the message. To
recover encrypted data, the correct decryption key is required. The key is the
algorithm Cancels the encryption algorithm. Alternatively, a computer can used
in an attempt to crack the password. Encrypting
File System (EFS) is a feature of Windows that allows you to store information
on your hard disk in an encrypted format.
To
encrypt a folder or file
- Right-click the folder or
file you want to encrypt, and then click Properties.
- Click the General tab,
and then click Advanced.
- Select the Encrypt
contents to secure data check box, and then click OK.
Decryption is the process of converting encoded or encrypted data back into its original
form that you or the computer can read and understand. Encryption
or decryption is very important in wireless communication because wireless
circuits are easier to tap. However, the encryption or decryption is a good
idea when doing any kind of sensitive transactions, such as credit card
purchases online, or discussion of a company secret between different
departments within the organization.
To
decrypt a folder or file :
- Right-click the folder or
file you want to decrypt, and then click Properties.
- Click the General tab,
and then click Advanced.
- Clear the Encrypt
contents to secure data check box, and then click OK.
Sources:
0 komentar:
Posting Komentar