All the samples for Rijndael algorithm are defining the key from the Rijndael class itself, can\'t we provide the Key of our own. Any hint on this will help me a lot.
Th
The key property of the Rijndael instance takes a byte[] as the key. Make sure you set it to an array with a valid size for the algorithm.
Link to msdn: http://msdn.microsoft.com/en-us/library/system.security.cryptography.symmetricalgorithm.key.aspx