Encrypt function in 10g - RAW maximum size issue

Hello,
I m trying to encrypt some data using the ENCRYPT function provided by Oracle 10g.
It appears that the function uses only RAW type and RAW apparently has a maximum size of 2000 bytes.
And in my situation, the RAW data I would get after encrypting would be well above 2000 bytes. Can some one throw some light on how I can work around this situation.
I'd appreciate any help here.
Thanks
Nikhil

Should I convert the 9i database?You can, but not mandatory.
from WE8MSWIN1252 to UTF8?I strongly advise you to read the following metalink
notes :
* Changing WE8ISO8859P1/ WE8ISO8859P15 or
WE8MSWIN1252 to (AL32)UTF8 with ALTER DATABASE
CHARACTERSET - Note:260192.1
* NLS considerations in Import/Export - Frequently
Asked Questions - Note:227332.1
Nicolas.Nicolas:
These links were very helpful!
I actually was not aware of the fact that CHAR and VARCHAR2 are, by default, defined in terms of bytes, not characters when declaring column size. It seems like all I have to do is alter my tables in the 10g environment to be NVARCHAR2 instead of VARCHAR2, and that will define the columns in characters, not bytes.

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