"AlBruAn" <AlBruAn (AT) discussions (DOT) microsoft.com> wrote in message
Data" CryptographicException when I try decrypting the data and wonder how I
can get around this issue. I'm not storing any information in SQL Server
until I can get the mechanics of encryption working properly. Anyway...
respectively, to it. I then persist these keys to the root directory of my
C: drive using an XmlTextWriter.
function. I then call the Encrypt function, passing it the license number
and specifying no OAEP padding. My final step is to persist the encrypted
values to a separate file in the root directory of my C: drive.

From your description, there doesn't seem to be an abvious error. Could you
post the source code you're using so we can take a closer look?


This is normal; whenever you encrypt something, the RSACryptoServiceProvider
will add a special padding to your data to make sure the length is equal to
the modulus size of your public key. This padding consists mostly of random
bytes, hence the difference.

Regards,
Pieter Philippaerts