Ascom IDEA@exchange adds top-level security to Microsoft Exchange by providing strong authentication
and encryption using the 128-bit IDEA cryptographic algorithm.
A sophisticated key management infrastructure provides simple operation both for the users
and the security administrator. The users' private key can be stored on a chip card, and the public
keys are available as certificates from a server on-line. Users not permanently connected may
store their validity prior to transmitting their E-mails.