نتایج جستجو برای: coprocessor
تعداد نتایج: 1189 فیلتر نتایج به سال:
Cryptographic algorithms are used in a large variety of different applications to ensure security services. It is, thus, very interesting to investigate various implementation platforms. Hyperelliptic curve schemes are cryptographic primitives to which a lot of attention was recently given due to the short operand size compared to other algorithms. They are specifically interesting for special-...
In this paper we introduce CCproc, a symmetric-key cryptographic (co)processor with a custom instruction set optimized for cryptographic applications. We study ten popular crypto algorithms, and provide custom solutions for them, while we also offer general support for future encryption algorithms. We design a custom but simple datapath able to execute the proposed instruction set and analyze i...
This paper describes an image acquisition and a processing system based on a new coprocessor architecture designed for CMOS sensor imaging. The system exploits the full potential CMOS selective access imaging technology because the coprocessor unit is integrated into the image acquisition loop. The acquisition and coprocessing architecture are compatible with the majority of CMOS sensors. It en...
It is a challenge to implement large word length public-key algorithms on embedded systems. Examples are smartcards, RF-ID tags and mobile terminals. This paper presents a HW/SW co-design solution for RSA and Elliptic Curve Cryptography (ECC) over GF(p) on a 12 MHz 8-bit 8051 micro-controller. The hardware coprocessor has a Modular Arithmetic Logic Unit (MALU) of which the digit size (d) is var...
W e describe the design and synthes is of a highper formance coprocessor f o r po in t pa t t e rn matching wi th application t o f ingerpr in t matching using Splash 2 a n attached processor for SUN S P A R C s t a t i o n hosts. E a c h of t h e field programmable gate array ( F P G A ) based processing e lements (PES) i s programmed using VHDL behavioral modeling. Using the s imula t ion too...
In this chapter, we illustrate benefits of thinking in terms of thread management techniques when using a centralized scheduler model along with interoperability of MPI and PThreads. This is facilitated through an exploration of thread placement strategies for an algorithm modeling radiative heat transfer with special attention to the 61 core. This algorithm plays a key role within the Uintah C...
Most hardware/software codesigns of Elliptic Curve Cryptography only have one central control unit, typically a 32 bit or 8 bit processor core. With the ability of integrating several soft processor cores into one FPGA fabric, we can have a hierarchy of controllers in one SoC design. Compared to the previous codesigns trying to optimize the communication overhead between the central control uni...
This paper reports the performance of the AES finalists, MARS, RC6, Rijndael, Serpent, and Twofish, on the high-end smart card that has a Z80 core with Toshiba’s arithmetic coprocessor.
In this paper we introduce a scalable Montgomery Multiplication (MM) coprocessor implemented in reconfigurable hardware. A way of connection to Altera Nios embedded processor and some improvements of design are presented.
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