Siemens Crypto ISDN

Highest level of security in Euro-ISDN

The modern information society calls for ever faster actions and reactions. This means that the exchange of highly sensitive information over the public communication network is unavoidable. But the risk of information being intercepted or data stolen increases as technology progresses; damage caused by eavesdropping runs into billions every year.

Crypto-isdn, the high-end encryption system of the latest generation, provides secure transmission of classified information up to TOP SECRET. It can be used for all ISDN basic services, even via satellite links (Inmarsat M4), e.g. for Voice, Data, Fax (group 4), Video conferences

Maximum security is achieved with a minimum of personnel and administration.

One system - two versions
The system is available in two versions:

• Crypto-ISDN 6-2S for secure Euro-ISDN basic rate access (S0 bus/port)
• Crypto-ISDN 6-2M for secure Euro-ISDN primary rate access (S2M port)

As a supplement to existing Euro-ISDN terminals or PBXs, the Crypto-isdn is the ideal solution for secure voice and data communication at every level from UNCLASSIFIED to TOP SECRET. It can be used in conjunction with up to eight commercial ISDN terminals or with a PBX. The exchange access is either direct via the S0 basic rate interface or via a PBX.

The Crypto-isdn 6-2M permits simultaneous single-channel encryption of up to 30 channels. A typical application of this version is the 2 Mbit/s port encryption at the frontend of ISDN PBX systems.

Top-security crypto technologies
The Crypto-isdn 6-2 is the first encryption unit approved by the German Information Security Agency for the transmission of information classified up to TOP SECRET which uses a public key method for key distribution. In conjunction with the public key method, the noise generator implemented in the encryption unit permits mutual authentication and key agreement. New session keys are generated in the encryption unit for each connection. They do not leave the units and are deleted after the session, thus ensuring maximum security.