This paper describes the integration and performance of a multi-stream cipher core with a uClinux Microblaze based reconfigurable system-on- chip that uses the Open Crypto framework. This allows applications to access the multi stream cipher core via kernel space calls.

This paper presents a network architecture that can be implemented on a reconfigurable System-on-Chip (rSoC) that will accelerate the operation of Virtual Private Networks (VPNs). With a small and efficient 3DES-CBC core coupled the flexibility of the rSoC and a network architecture that can scale as needed, this can be an effective solution to the current real world requirement for a flexible and affordable VPN platform.

The post integration performance of cipher cores to a reconfigurable system-on-chip is a relatively unexplored area. There is also little work done on a stream aware cipher core. This paper presents an architecture that allows a cipher core to operate on multiple cipher streams without context switching. The integration of this architecture using fast simplex links to the microblaze soft-processor is examined in detail. Different communication protocols are examined and the numerical performance of the cipher in uClinux is discussed and analyzed.

This paper presents a DES/3DES core that will support cipher block chaining (CBC) and also has a built in keygen that together take up about 10% of the resources in a Xilinx Virtex II 1000-4. The core will achieve up to 200Mbit/s of encryption or decryption. Also presented is a network architecture that will allow these CBC capable 3DES cores to perform their processing in parallel.

Today's complex leading-edge design processes require the use of multiple CAD tools that operate in multiple frameworks making management of the complete design process difficult. This paper introduces the concept of framework encapsulations: software wrappers around complete CAD frameworks that allow the design data and flow management services of a framework to be utilized by a common design process management tool. This concept has been applied to the Minerva II Design Process Manager, enabling Minerva II to manage the design process across multiple CAD frameworks, and potentially multiple design disciplines.

A language for defining design discipline characteristics is proposed.Design discipline characteristics such as abstraction levels, design object classifications and decompositions, design objectives, and design methodologies can be defined in a simple machine and human readable form.The language, DDDL, has led to the development of a user interface for Minerva II, a design process management tool, which, when configured with a design discipline description, can be used to aid teams of designers in the solution of complex multi-disciplinary design problems.DDDL and user interface examples are presented.

Many CAD frameworks now use the notion of a design $OW to help provide methodology management services.MostJow-based approaches are limited, however, in that they involve a jixed sequence of operations specified in advance, restrict designers to using only those J70WS, and "hardwire" specifi tools to flows.To overcome this, we introduce the concept of "dynamically defined flows" as tool-independent$ows that are built up, on demand, by designers.Dynamically de$ned Jews can be used to provide a semantically rich means for browsing the &sign history database as well as to provide support for multiple design approaches, such as goal-based, tool-based, data-based and plan-based design.