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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27913

Title: A Digital Standard Time Dissemination Architecture for Trustworthy Time Stamping
Authors: Pei-yih Ting;Fang-Dar Chu;Chia-Shiu Liao;Huang-Tien Lin
Contributors: NTOU:Department of Computer Science and Engineering
Keywords: Computer network security;data security;public key crytpography;time dissemination;time measurement;time stamping
Date: 2011-07
Issue Date: 2011-10-21T02:34:27Z
Publisher: IEEE Transactions on Instrumentation and Measurement
Abstract: Abstract:In this paper, a reliable and accurate two-layer standard time distribution architecture is proposed to implement direct digital time traceability. First, the system uses a clock calibration procedure based on two-way time transfer over a general dialup telephone modem and achieves a couple of milliseconds accuracy. Second, a delegation time stamping mechanism is implemented with a forward secure proxy signature scheme to provide digital time stamps with enhanced validity assurance and with digital time traceability to the national standard. The RFC 3161 time stamp token is then extended to embed the standard time reading and necessary verification certificates. These features allow users to remove the blind trust on a commercial time stamping authority’s clock handling procedure.
Relation: 60(7), pp.2584-2589
URI: http://ntour.ntou.edu.tw/handle/987654321/27913
Appears in Collections:[資訊工程學系] 期刊論文

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