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Dissertations / Theses on the topic 'SECRET SHARING SYSTEM'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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1

Olsson, Fredrik. "A Lab System for Secret Sharing." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2385.

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<p>Finnegan Lab System is a graphical computer program for learning how secret sharing works. With its focus on the algorithms and the data streams, the user does not have to consider machine-specific low-level details. It is highly modularised and is not restricted to secret sharing, but can easily be extended with new functions, such as building blocks for Feistel networks or signal processing. </p><p>This thesis describes what secret sharing is, the development of a new lab system designed for secret sharing and how it can be used.</p>

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2

Al-Adhami, Ayad. "A secure quorum based multi-tag RFID system." Thesis, University of Plymouth, 2018. http://hdl.handle.net/10026.1/12821.

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Radio Frequency Identification (RFID) technology has been expanded to be used in different fields that need automatic identifying and verifying of tagged objects without human intervention. RFID technology offers a great advantage in comparison with barcodes by providing accurate information, ease of use and reducing of labour cost. These advantages have been utilised by using passive RFID tags. Although RFID technology can enhance the efficiency of different RFID applications systems, researchers have reported issues regarding the use of RFID technology. These issues are making the technology

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3

Goh, Vik Tor. "Intrusion detection framework for encrypted networks." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/41733/1/Vik_Tor_Goh_Thesis.pdf.

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Network-based Intrusion Detection Systems (NIDSs) monitor network traffic for signs of malicious activities that have the potential to disrupt entire network infrastructures and services. NIDS can only operate when the network traffic is available and can be extracted for analysis. However, with the growing use of encrypted networks such as Virtual Private Networks (VPNs) that encrypt and conceal network traffic, a traditional NIDS can no longer access network traffic for analysis. The goal of this research is to address this problem by proposing a detection framework that allows a commercial

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4

Reistad, Tord Ingolf. "A General Framework for Multiparty Computations." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for telematikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16567.

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Multiparty computation is a computation between multiple players which want to compute a common function based on private input. It was first proposed over 20 years ago and has since matured into a well established science. The goal of this thesis has been to develop efficient protocols for different operations used in multiparty computation and to propose uses for multiparty computation in real world systems. This thesis therefore gives the reader an overview of multiparty computation from the simplest primitives to the current state of software frameworks for multiparty computation, and prov

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Wang, Zhaohong. "Information-Theoretic Secure Outsourced Computation in Distributed Systems." UKnowledge, 2016. http://uknowledge.uky.edu/ece_etds/88.

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Secure multi-party computation (secure MPC) has been established as the de facto paradigm for protecting privacy in distributed computation. One of the earliest secure MPC primitives is the Shamir's secret sharing (SSS) scheme. SSS has many advantages over other popular secure MPC primitives like garbled circuits (GC) -- it provides information-theoretic security guarantee, requires no complex long-integer operations, and often leads to more efficient protocols. Nonetheless, SSS receives less attention in the signal processing community because SSS requires a larger number of honest participan

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6

Traverso, Giulia [Verfasser], Johannes [Akademischer Betreuer] Buchmann, and Reihaneh [Akademischer Betreuer] Safavi-Naini. "Long-Term Confidential Secret Sharing-Based Distributed Storage Systems / Giulia Traverso ; Johannes Buchmann, Reihaneh Safavi-Naini." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2019. http://d-nb.info/1188410377/34.

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7

Leung, Philip, and Daniel Svensson. "SecuRES: Secure Resource Sharing System : AN INVESTIGATION INTO USE OF PUBLIC LEDGER TECHNOLOGY TO CREATE DECENTRALIZED DIGITAL RESOURCE-SHARING SYSTEMS." Thesis, KTH, Skolan för informations- och kommunikationsteknik (ICT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-187348.

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The project aims at solving the problem of non-repudiation, integrity and confidentiality of data when digitally exchanging sensitive resources between parties that need to be able to trust each other without the need for a trusted third party. This is done in the framework of answering to what extent digital resources can be shared securely in a decentralized public ledger-based system compared to trust-based alternatives. A background of existing resource sharing solutions is explored which shows an abundance third party trust-based systems, but also an interest in public ledger solutions in

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8

Subbiah, Arun. "Efficient Proactive Security for Sensitive Data Storage." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19719.

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Fault tolerant and secure distributed data storage systems typically require that only up to a threshold of storage nodes can ever be compromised or fail. In proactively-secure systems, this requirement is modified to hold only in a time interval (also called epoch), resulting in increased security. An attacker or adversary could compromise distinct sets of nodes in any two time intervals. This attack model is also called the mobile adversary model. Proactively-secure systems require all nodes to "refresh" themselves periodically to a clean state to maintain the availability, integrity, and co

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9

Timilsina, Santosh. "Physical Layer Security in Training-Based Single-Hop/Dual-Hop Massive MIMO Systems." OpenSIUC, 2018. https://opensiuc.lib.siu.edu/theses/2376.

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The broadcast nature of wireless medium has made information security as one of the most important and critical issues in wireless systems. Physical layer security, which is based on information-theoretic secrecy concepts, can be used to secure the wireless channels by exploiting the noisiness and imperfections of the channels. Massive multiple-input multiple-output (MIMO) systems, which are equipped with very large antenna arrays at the base stations, have a great potential to boost the physical layer security by generating the artificial noise (AN) with the exploitation of excess degrees-of-

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10

Хіцко, Яна Володимирівна. "Математичне моделювання задач криптографії та обробки сигналів з використанням неканонічних гіперкомплексних числових систем". Thesis, НТУУ "КПІ", 2016. https://ela.kpi.ua/handle/123456789/15092.

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Дисертація присвячена математичному моделюванню задач криптографії та обробки сигналів з використанням неканонічних гіперкомплексних числових систем, застосування яких зменшує кількість обчислень при функціонуванні таких моделей та дозволяє оптимізувати їх за окремими характеристиками. Результати моделювання задачі розділення секрету показали, що застосування неканонічних гіперкомплексних числових систем, починаючи з вимірності 4, зменшує кількість потрібних обчислень у порівнянні із застосуванням канонічних гіперкомплексних числових систем. Розроблено методи побудови структур неканонічних г

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Eneroth, Nathanael. "Securing LBO VoLTE roaming with multiple Escrow Agents : A dynamic approach to distribute cryptographic keys to Escrow Agents." Thesis, KTH, Radio Systems Laboratory (RS Lab), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240425.

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The fourth generation cellular mobile broadband, Long-Term Evolution (LTE), provides high speed Internet via Internet Protocol (IP). Today’s wireless infrastructure paves the way to a connected society where high speed Internet is seamlessly available at all times for anyone to use. To achieve this, a mobile service subscriber can no longer be bound to a single network provided by a single operator. Thus, roaming constitutes a key pillar in shaping the connected society Local Breakout (LBO) Voice over Long-Term Evolution (VoLTE) roaming enables a mobile service subscriber to breakout from its

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12

Ghorbanzadeh, Mohammad. "Resource Allocation and End-to-End Quality of Service for Cellular Communications Systems in Congested and Contested Environments." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/64390.

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This research addresses the concept of radio resource allocation for cellular communications systems operating in congested and contested environments with an emphasis on end-to-end quality of service (QoS). The radio resource allocation is cast under a proportional fairness formulation which translates to a convex optimization problem. Moreover, the resource allocation scheme considers subscription-based and traffic differentiation in order to meet the QoS requirements of the applications running on the user equipment in the system. The devised resource allocation scheme is realized through a

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13

Kendric, Hood A. "Improving Cryptocurrency Blockchain Security and Availability Adaptive Security and Partitioning." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent1595038779436782.

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14

Wu, Wen-Pei, and 吳文霈. "The Application System of Visual Secret Sharing." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/38532200371632951306.

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碩士<br>國立成功大學<br>電機工程學系<br>88<br>Visual secret sharing (VSS) scheme was proposed by Noar and Shamir in 1994. This is a technique that divided the secret image that will be transformed into several meaningless shadows and certain qualified subsets of shadows enable to recover the secret image by "eyes". The main characteristic of the VSS scheme is in its decoding process that the original secret can be perceived directly by the human visual system without the knowledge of cryptography and the cryptographic computations. It possesses a special meaning and effect that "the secret codes are visible

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15

Huang, Jian-Ying, and 黃建螢. "Android System Development on Secret Audio Sharing Scheme." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/98008317608328267553.

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碩士<br>淡江大學<br>資訊工程學系資訊網路與通訊碩士班<br>101<br>This study presents an (s, t, n) progressive method for sharing an audio. In an (s, t, n) progressive audio sharing scheme, n shared audios are generated from the secret audio, gathering s shared audios acquires coarse resolution of secret audio, and using t shared audios can reconstruct the original secret audio losslessly. The Chinese Remainder Theorem is adopted in the proposed scheme to share coefficients acquired from 1-D integer wavelet transform with different thresholds. First, the maximum wavelet level number needed in 1-D integer wavelet trans

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Liu, Yu-Chen, and 劉昱辰. "Android System Development on Progressive Secret Image Sharing Scheme." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/13829734937488762374.

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碩士<br>淡江大學<br>資訊工程學系碩士班<br>101<br>This study presents an (s, t, n) progressive method for sharing a secret image. In which n shared images are generated from the secret image, collecting s shared images acquires coarse resolution of secret image, and collecting t or more shared images losslessly recovers the secret image. The proposed method employs the Chinese Remainder Theorem to share subimages acquired from integer wavelet transform with different thresholds for satisfying the progressive property. First, the proposed scheme applies the secret image to integer wavelet subimages. The maximu

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17

Lin, Cheng-Ting, and 林正庭. "A Secret-Sharing-Based Method for Cloud Storage System." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/69726621877613632163.

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碩士<br>國立中山大學<br>資訊工程學系研究所<br>104<br>In recent years, at an era of information explosion, cloud storage system is wide-spread used in our daily life. However, cloud storage system include many information security issues. The technical of secret sharing is applied to solve these problem include data privacy, data integrity and computational cost. Nevertheless, applying Shamir’s secret sharing scheme to cloud storage system, there are two fetal problems. When we upload the file to the cloud storage system, the size of each share equals to the file such that it waste amount of storage to save the

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18

Chiang, Mao-Yuan, and 江茂源. "A Traceable Video Watermark System Using Threshold Secret Sharing." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/81714115345003941789.

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碩士<br>逢甲大學<br>資訊工程所<br>98<br>Internet protocol television (IPTV) and multimedia application not only provide entertainment, but also create tremendous business opportunities and attract to illegal pretenders. Digital rights management mechanisms prevent the illegal access, but these mechanisms are still some inherent shortcomings. However, the protection of encryption algorithms only can sustain before decrypt. After decryption, malicious user can obtain the high-quality multimedia content without any protection mechanisms by using record technology and further threat the copyright of the orig

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19

林宜萱. "The Research of Authentication-based Steganography in a Secret Sharing System." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/buyvsg.

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碩士<br>中央警察大學<br>資訊管理研究所<br>95<br>The secret sharing is used the (t, n) secret sharing scheme, which is a so-called (t, n) threshold scheme, where t denotes the threshold value to reveal the secret and n is the total number of holding shadows. In essence, the secret is asked to be divided into n shadows, and the secret can be reconstructed by t or more shadows, but no information can be obtained by fewer than t shadows. Therefore, this method can has more security and considerably efficiency in the cryptography operation. In the chapter 3 of this thesis, we provide a novel approach to Multi-sec

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20

KUMARI, SWETA. "A DISTRIBUTED SECRET SHARING SYSTEM WITH REED SOLOMON CODE FOR QR CODE." Thesis, 2018. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16348.

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Secret sharing is also called secret splitting refers to methods for distributing a secret amongst a group of participants, each of whom is allocated a share of the secret. The secret can be reconstructed only when a sufficient number, of possibly different types, of shares are combined together; individual shares are of no use on their own. QR barcodes are used extensively due to their beneficial properties, including small tag, large data capacity, reliability, and high-speed scanning. This approach differs from related QR code schemes in which it uses the QR characteristics to achieve secre

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21

Chou, Teng-Tai, and 周登泰. "A Private Online System for Executing Wills Based on A Secret Sharing Mechanism." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/66511802848775923479.

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碩士<br>朝陽科技大學<br>資訊工程系碩士班<br>96<br>Family quarrels over inheritance, while not new, have featured prominently in the news in recent years. Thus the issue of executing wills for the purpose of dividing inheritance is worth investigating. Acrimony caused by family disputes or distribution of inheritance has a negative impact on society. Thus, we seek to construct a method of constructing a secure and private escrow will. The concept of secret sharing was proposed by Adi Shamir and George Blakley in 1979. Our method seeks to alleviate problems associated with secret sharing. We divide secret S int

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Yu-TingHuang and 黃鈺婷. "An SLA-aware Data Dispersion Method for Short-Secret-Sharing Cloud Storage System." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/24484662428767207595.

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碩士<br>國立成功大學<br>資訊工程學系碩博士班<br>101<br>In the era of information explosion, people usually share various kinds of information through networks. As more information is going to be shared and stored, the maintenance costs of data also increase. Since cloud storage systems have large storage space, high transmission bandwidth, and the supports of data maintenance, the management costs of clients can further be reduced, and therefore more companies would like to outsource their data into cloud storage systems. However, because of the lacks of physical controls of data, the data security and the data

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Lin, Hsiao-Hsuan, and 林筱旋. "Secret Sharing by Linear Systems." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/71262958583303593109.

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碩士<br>臺北市立教育大學<br>資訊科學系碩士班<br>99<br>Secret sharing is an elegant approach for safeguarding information. Since the first schemes invented by Shamir and Blakley independently in 1979, the research of secret sharing has attracted much attention. Skills including polynomial interpolation by Shamir, finite geometries by Blakley and combinatorial designs by Schellenberg and Stinson (1989), to name a few, are so classical that inspire many researchers in this research area. In this thesis, we intend to explore the feasibilities of the constructions of secret sharing schemes in threshold and general a

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24

(6012225), Huian Li. "Transparent and Mutual Restraining Electronic Voting." Thesis, 2019.

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Many e-voting techniques have been proposed but not widely used in reality. One of the problems associated with most of existing e-voting techniques is the lack of transparency, leading to a failure to deliver voter assurance. In this work, we propose a transparent, auditable, end-to-end verifiable, and mutual restraining e-voting protocol that exploits the existing multi-party political dynamics such as in the US. The new e-voting protocol consists of three original technical contributions -- universal verifiable voting vector, forward and backward mutual lock voting, and in-process check an

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25

Shen, Chien-Chih, and 沈建志. "Cryptography in Secret Sharing Schemes Applied to Communication Systems." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/62379340040190193290.

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碩士<br>國立清華大學<br>通訊工程研究所<br>97<br>The bilinear mapping function used in the elliptic curve cryptography has been a new trend of cryptosystem. Because the cryptosystem bases on the elliptic curve cryptography will achieve higher level of security comparing with the original discrete logarithm problem in the same bits length. We propose two different kinds of application in communication and cryptography. First one is about the secret sharing. Some secrets are protected by distributing them among many participants, whereby only an authorized group of participants can reconstruct the secrets. In

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Traverso, Giulia. "Long-Term Confidential Secret Sharing-Based Distributed Storage Systems." Phd thesis, 2019. https://tuprints.ulb.tu-darmstadt.de/8762/1/Traverso_Long_Term_Storage_Systems.pdf.

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Secret sharing-based distributed storage systems can provide long-term protection of confidentiality and integrity of stored data. This is achieved by periodically refreshing the stored shares and by checking the validity of the generated shares through additional audit data. However, in most real-life environments (e.g. companies), this type of solution is not optimal for three main reasons. Firstly, the access rules of state of the art secret sharing-based distributed storage systems do not match the hierarchical organization in place in these environments. Secondly, data owners are not

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Chen, Pin-Yu, and 陳品佑. "Dynamic Threshold Secret Sharing Schemes with Mobile Systems and Applications." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/63191612761674664758.

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