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The dilution enthalpies of NiCl2 aqueous solution were experimentally determined from nearly saturated to different molalities at T=(298.15, 308.15 and 318.15)K. Combined with evaluated literature data, an expression of Pitzer–Archer activity coefficient parameters with temperature was deduced based on the Pitzer–Archer model and the basic thermodynamic relation among activity coefficient, enthalpy...
Advanced Encryption Standard (AES) is one of the latest symmetric key cryptosystem standard, which is proposed to replace DES. Whirlpool is a famous hash encryption algorithm that processes the building blocks in a similar way. Although some slight differences are presented, implementing an integrated design of AES and Whirlpool on the FPGA can reduce the overall area. Further more, it provides a...
Embedded systems have become more and more important in our lives. However almost the security protections dedicates in the PC system defense, and there is little effort in the research of the embedded systems security. Embedded systems are in danger. What is more, there are varied kinds of embedded systems platforms, which exacerbate the protection in the embedded systems. This paper is going to...
Though some blemish is reported on the SHA-1 cryptographic hash function, TCG (Trusted Computing Group) still choose it to be the encryption of the latest published specification. SHA-256 and SHA-512, being considered to be safe so far, is the best choices for the next generation of the trusted computing, since they both are the SHA series functions and qualified by the NIST (National Institute of...
Embedded systems became more and more pervasive in our world, whereas the security problem severely influence its credibility. This paper presented a security solution for embedded systems, which is called TFSES (security embedded systems base on TCM and FPGA). In this solution, a security FPGA checked the integrity of instructions and data in flash chip before running of the embedded processor. The...
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