>>I wrote: OS independent
>>
>>So the answer is that you can decrypt it on a Windows Server 2008 ( provided you have the keys, etc)
>
>Out of curiosity, how big such calculated value may be? With CRC32, I had defined a Int32 field which was enough to cover all possibilities.


MD5: 16 bytes

Look at the table here http://en.wikipedia.org/wiki/Secure_Hash_Algorithm column: output size (bits)