9,886 research outputs found
A Survey of RFID Authentication Protocols Based on Hash-Chain Method
Security and privacy are the inherent problems in RFID communications. There
are several protocols have been proposed to overcome those problems. Hash chain
is commonly employed by the protocols to improve security and privacy for RFID
authentication. Although the protocols able to provide specific solution for
RFID security and privacy problems, they fail to provide integrated solution.
This article is a survey to closely observe those protocols in terms of its
focus and limitations.Comment: Third ICCIT 2008 International Conference on Convergence and Hybrid
Information Technolog
Towards a Flexible Intra-Trustcenter Management Protocol
This paper proposes the Intra Trustcenter Protocol (ITP), a flexible and
secure management protocol for communication between arbitrary trustcenter
components. Unlike other existing protocols (like PKCS#7, CMP or XKMS) ITP
focuses on the communication within a trustcenter. It is powerful enough for
transferring complex messages which are machine and human readable and easy to
understand. In addition it includes an extension mechanism to be prepared for
future developments.Comment: 12 pages, 0 figures; in The Third International Workshop for Applied
PKI (IWAP2004
Providing secure remote access to legacy applications
While the widespread adoption of Internet and Intranet technology has been one of the exciting developments of recent years, many hospitals are finding that their data and legacy applications do not naturally fit into the new methods of dissemination. Existing applications often rely on isolation or trusted networks for their access control or security, whereas untrusted wide area networks pay little attention to the authenticity, integrity or confidentiality of the data they transport. Many hospitals do not have the resources to develop new ''network-ready'' versions of existing centralised applications. In this paper, we examine the issues that must be considered when providing network access to an existing health care application, and we describe how we have implemented the proposed solution in one healthcare application namely the diabetic register at Hope Hospital. We describe the architecture that allows remote access to the legacy application, providing it with encrypted communications and strongly authenticated access control but without requiring any modifications to the underlying application. As well as comparing alternative ways of implementing such a system, we also consider issues relating to usability and manageability, such as password management
Computing on Masked Data to improve the Security of Big Data
Organizations that make use of large quantities of information require the
ability to store and process data from central locations so that the product
can be shared or distributed across a heterogeneous group of users. However,
recent events underscore the need for improving the security of data stored in
such untrusted servers or databases. Advances in cryptographic techniques and
database technologies provide the necessary security functionality but rely on
a computational model in which the cloud is used solely for storage and
retrieval. Much of big data computation and analytics make use of signal
processing fundamentals for computation. As the trend of moving data storage
and computation to the cloud increases, homeland security missions should
understand the impact of security on key signal processing kernels such as
correlation or thresholding. In this article, we propose a tool called
Computing on Masked Data (CMD), which combines advances in database
technologies and cryptographic tools to provide a low overhead mechanism to
offload certain mathematical operations securely to the cloud. This article
describes the design and development of the CMD tool.Comment: 6 pages, Accepted to IEEE HST Conferenc
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