Tape encryption

Hi all,

we have BE2010 running in the main office and the BE12.5 in the branch office.

Now we have to encrypt the backups. So i enable the software encryprion in the BE21.5

Now i would like to know it ist possible to export the key and import the key in the BE2010?

I mean i would like to restore the backup tape in the main office as well.

Thank you!