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Research on Memory Confidentiality and Integrity Protection Technology in Single Processor Architecture

Author: ZhangJunQin
Tutor: GuDaWu
School: Shanghai Jiaotong University
Course: Computer System Architecture
Keywords: Memory Security Confidentiality protection Integrity protection One-time Hash tree Galois / Counter Mode
CLC: TP333
Type: Master's thesis
Year: 2010
Downloads: 31
Quote: 1
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Abstract


Now , due to the presence of unsafe environmental factors , more and more attention on the protection of computer data . View of memory is the most important data resides spaces , so guard against attack first and foremost is to protect the processor chip memory , the key techniques including the confidentiality and integrity protection of the memory . The confidentiality of the memory to ensure data is not an attacker to steal ensure the integrity of data is not an attacker to tamper . This paper summarized the single processor architecture XOM and AEGIS system framework , and then introduced the existing memory confidentiality and integrity protection scheme , and compared and analyzed . In this paper, the the parity tree shortcomings pointed out that the existing hash based on integrity check design Bonsai Merkle Tree - based Parallel Bonsai Merkle Tree . First introduced the design concept of the algorithm , to improve the advantages of the program is to update the checksum tree to parallel computing ; and then analyze the security of the scheme , and to improve the program for simulation and analysis . Confidentiality and integrity protection combined the authentication function GCM mode to modify and extend , and then combined with the Parallel Bonsai Merkle Tree , the main idea of the program is the use of GCM parallel processing of the data block , and the delay of the authentication section overlap with the memory access latency ; improvements and analysis after the Cache parity tree replacement algorithm ; Finally, the program of the simulation analysis , the experimental results show that the improved solution in terms of efficiency to obtain a certain improved.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > Memory
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