First time here ... Do you guys know any well know industry standard encrypted/decrypted software? Also, what kind of database file should be used a million of records are decrypted to use the data. Thanks.
There are many flavours of encryption. I suggest you go through this small peice of introduction, before you dig larger tunnels. http://www.cypherpunks.to/~peter/T1_Algos_Mechs.pdf