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您的检索式：作者名="Heekuck Oh"
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| 1 | A Designated Query Protocol for Serverless Mobile RFID Systems with Reader and Tag Privacy显示文摘Recently, a new type of Radio Frequency IDentification (RFID) system with mobile readers is introduced. In such a system, it is more desirable for mobile readers to identify tags without a back-end server, and thus it is frequently referred as a serverless mobile RFID system. In this paper, we formalize a serverless mobile RFID system model and propose a new encryption-based system that preserves the privacy of both tags and readers in the model. In addition, we define a new adversary model for the system model and show the security of the proposed system. Throughout comparisons between ours and the other alternatives, we show that our proposed system provides a stronger reader privacy and robustness against a reader forgery attack than the competitors. | Jiwhan Lim Sangjin Kim Heekuck Oh Donghyun Kim | 2012 | Tsinghua Science and Technology2012，17，5： | 4 |
| 2 | Conditional priva- cy preserving security protocol for NFC applications 显示文摘 | Hasoo Eun Hoonjung Lee Heekuck Oh | 2013 | IEEE Transactions on Consumer Electronics2013，59，1： | 1 |
| 3 | Efficient anonymous cash using the hash chain 显示文摘 | Sangjin Kim Heekuck Oh | 2003 | IEICE Transactions on Communications2003，86，3： | 1 |
| 4 | 3-Multi ranked encryption with enhanced security in cloud computing显示文摘Searchable Encryption(SE)enables data owners to search remotely stored ciphertexts selectively.A practical model that is closest to real life should be able to handle search queries with multiple keywords and multiple data owners/users,and even return the top-k most relevant search results when requested.We refer to a model that satisfies all of the conditions a 3-multi ranked search model.However,SE schemes that have been proposed to date use fully trusted trapdoor generation centers,and several methods assume a secure connection between the data users and a trapdoor generation center.That is,they assume the trapdoor generation center is the only entity that can learn the information regarding queried keywords,but it will never attempt to use it in any other manner than that requested,which is impractical in real life.In this study,to enhance the security,we propose a new 3-multi ranked SE scheme that satisfies all conditions without these security assumptions.The proposed scheme uses randomized keywords to protect the interested keywords of users from both outside adversaries and the honest-but-curious trapdoor generation center,thereby preventing attackers from determining whether two different queries include the same keyword.Moreover,we develop a method for managing multiple encrypted keywords from every data owner,each encrypted with a different key.Our evaluation demonstrates that,despite the trade-off overhead that results from the weaker security assumption,the proposed scheme achieves reasonable performance compared to extant schemes,which implies that our scheme is practical and closest to real life. | YeEun Kim Junggab Son Reza M.Parizi Gautam Srivastava Heekuck Oh | 2023 | Digital Communications and Networks2023，9，2： | 0 |
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