>The output of an MD5 hash is a byte[16]. If you want chars, you'll need to convert the bytes to hex, but this doubles the size
>You do not need to convert to hex if you use a binary(16) field in sql server
>
>The class here http://msdn.microsoft.com/en-us/library/system.security.cryptography.md5(v=vs.110).aspx
>
>has a method ComputeHash() with 3 overloads http://msdn.microsoft.com/en-us/library/system.security.cryptography.md5_methods(v=vs.110).aspx
>
>There's an example at the bottom.
>
>To compute the hash for a file you would open the file and pass the stream to ComputeHash()

Thanks