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Components of previous security systems were designed independently from one another and were often difficult to integrate. Described is the recently available IBM Transaction Security System. It implements the Common Cryptographic Architecture and offers a comprehensive set of security products that allow users to implement end-to-end secure systems with IBM components. The system includes a mainframe host-attached Network Security Processor, high-performance encryption adapters for the IBM Personal Computer and Personal System/2® Micro Channel®, an RS-232 attached Security Interface Unit, and a credit-card size state-of-the-art Personal Security™ card containing a high-performance microprocessor. The application programming interface provides common programming in the host and the workstation and supports all of the Systems Application Architecture™ languages except REXX and RPG. Applications may be written to run on Multiple Virtual Storage (MVS) and PC DOS operating systems.
Abraham et al. (Tue,) studied this question.