So it is necessary to adopt one encrypt intensity high algorithm encrypt some important data, in order to prevent that legal users operate over authority, illegal user attack viciously.
Anyone with access to the public key can use it to encrypt messages, which can then be decrypted only by the key owner.
We use this value whenever we have to encrypt only the content.
Firstly, sometimes only part of a message contains sensitive information, and so you are wasting cycles if you encrypt the whole message.
You can transparently encrypt a block device or a logical volume with dm_crypt.
If you want to recover cleartext passwords, you can reconfigure the Membership provider to store the passwords in encrypted form, in which case the provider will use the to encrypt the password.
The advantage of this approach is that it allows you to selectively encrypt parts of a message.
In this way, data confidentiality can be ensured on the topic, even if some logic must be implemented to encrypt messages on the central reservation system.
