One use for symmetric encryption is an encrypted file system. Since modern computers can perform complex calculations easily and quickly, they have the ability to encrypt and decrypt data on demand.

With encryption in place, only authorized parties with keys can read or access that data. Furthermore, encryption technology can provide assurance of data integrity as some algorithms offer protection ...

How to Encrypt and Decrypt. This program uses the Caesar Cipher algorithm, which we discussed last month.As a review, this cipher works by shifting each letter by 0 to 25 times.