HP NonStop G-Series - Manual (Page 9)

Encryption for Secure Transaction Processing. Jolt allows you to encrypt data transmitted
between Jolt clients and the JSL/JSH.
When you enable encryption support, Jolt 1.1 uses a combination of DES and RC4 encryption
algorithms to encrypt all data that is transmitted between a Jolt client and a Jolt server. DES
(56-bit) encryption is used for key exchange and authentication, and RC4 is used for all
subsequent data exchanges. Jolt 1.1 features two versions of encryption support: one allows a
128-bit key for data encryption, the other allows a 40-bit key.
The 128-bit version generates a 128-bit RC4 session encryption key at logon time, and this
session key is transmitted over the network in a message protected by 56-bit DES encryption.
The temporary session key is then used to encrypt the session's data. The overall security level
achieved is equivalent to 56-bit DES encryption, even though the data encryption is using a
128-bit key.
Note
The 56/128-bit version of Jolt 1.1 cannot be used outside the United States without proper
approval from the United States government.
Jolt encryption addresses the issue of security that is essential for reliable Internet transaction
processing.
Added Security via Internet Relay. Jolt features an Internet Relay component that allows
network administrators to separate their Web Server and TUXEDO application server. Web
servers are generally considered insecure as they often exist outside a corporate firewall. The
Jolt Internet Relay gives you greater flexibility to locate your NonStop TUXEDO server in a
secure location or environment on your network, yet still be able to handle transactions from
Jolt clients on the Internet.
Event Subscription Support. Jolt Event Subscription is used to receive event notifications
from either TUXEDO services or other TUXEDO clients. Jolt Event Subscription lets you
handle two types of TUXEDO application events:
Unsolicited Event Notifications. A Jolt client can receive these notifications when a
TUXEDO client or service subscribes to unsolicited events and a TUXEDO client issues
a broadcast or a directly targeted message. ●
Brokered Event Notifications. The Jolt client receives these notifications via the
TUXEDO Event Broker. The Jolt client receives these notifications only when it
subscribes to an event and any TUXEDO client or server posts an event. ●
How It Works
Jolt connects Java clients to applications built using the NonStop TUXEDO system. The
TUXEDO system provides a set of modular services, each offering specific functionality related
to the application as a whole. For example, a simple banking application might have services