How to Generate Validation Key and Decryption Key for Encryption

Usually when you deal with Membership Provider in ASP.Net, you will need to supply validation key and decryption key manually for Password Format using Hashed or Encryption. AutoGenerate is only valid for Password Format = Clear.

before you generate the keys, you have to keep in mind that

1.) ValidationKey is 64bit of hex value. So you will require varchar(128).

2.) DescryptionKey is 24bit of hex value. So you will require varchar(48).

You either choose to assign your own value or use this link to generate a random value for your application.

http://www.eggheadcafe.com/articles/GenerateMachineKey/GenerateMachineKey.aspx