Secure Query String using Symmetric Cryptography

It is important to secure information on the web specially when transferring data from one page to another. Some information you may not want to make it readable by end user. Microsoft .NET provides Cryptography namespace which can be easily utilized for this purpose. The following example contains a simple class containing Encryption and Decryption method. It supports 2 types – DESC and Rijndael. Symmetric type and encryption key can be configured easily through .config file. [More]