Efficient computation of hashes

被引：0
|
作者：
Lopes, Raul H. C. [1 ]
Franqueira, Virginia N. L. [2 ]
Hobson, Peter R. [1 ]
机构：
[1] Brunel Univ, Sch Engn & Design, Particle Phys Grp, Uxbridge UB8 3PH, Middx, England
[2] Univ Cent Lancashire, Sch Comp Engn & Phys Sci, Preston PR1 2HE, Lancs, England
来源：
20TH INTERNATIONAL CONFERENCE ON COMPUTING IN HIGH ENERGY AND NUCLEAR PHYSICS (CHEP2013), PARTS 1-6 | 2014年 / 513卷
基金：
英国科学技术设施理事会;
关键词：
D O I：
10.1088/1742-6596/513/3/032042
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The sequential computation of hashes at the core of many distributed storage systems and found, for example, in grid services can hinder efficiency in service quality and even pose security challenges that can only be addressed by the use of parallel hash tree modes. The main contributions of this paper are, first, the identification of several efficiency and security challenges posed by the use of sequential hash computation based on the Merkle-Damgard engine. In addition, alternatives for the parallel computation of hash trees are discussed, and a prototype for a new parallel implementation of the Keccak function, the SHA-3 winner, is introduced.
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页数：5
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