Energy-Efficient Link-Layer Jamming Attacks against Wireless Sensor Network MAC Protocols (2009)
Law, Y.W., Palaniswami, M., Doumen, J.M., Hartel, P.H., Havinga, P.J.M.
A typical wireless sensor node has little protection against radio jamming. The situation becomes worse if energy-efficient jamming can be achieved by exploiting knowledge of the data link layer....
Secure pairing with biometrics (2009)
Buhan, I.R., Boom, B.J., Doumen, J.M., Hartel, P.H., Veldhuis, R.N.J.
Secure pairing enables two devices that share no prior context with each other to agree upon a security association, which they can use to protect their subsequent communication. Secure pairing...
Adaptively Secure Computationally Efficient Searchable Symmetric Encryption (2009)
Sedghi, S., Van Liesdonk, P., Doumen, J.M., Hartel, P.H., Jonker, W.
Searchable encryption is a technique that allows a client to store documents on a server in encrypted form. Stored documents can be retrieved selectively while revealing as little information as...
//www.ub.utwente.nl/webdocs/ctit/1/000000f3.pdf. (2008)
Jeroen Doumen, R. Brinkman, J. M. Doumen, P. Hartel
With more and more data being stored on (untrusted) external servers, concerns about this data falling into the wrong hands grows. Thus this database needs to be secured, typically by encrypting it....
Trust Management in P2P Systems Using Standard TuLiP (2008)
Czenko, M.R., Doumen, J.M., Etalle, S.
In this paper we introduce Standard TuLiP - a new logic based Trust Management system. In Standard TuLiP, security decisions are based on security credentials, which can be issued by different...
Towards an Information Theoretic Analysis of Searchable Encryption (2008)
Sedghi, S., Doumen, J.M., Hartel, P.H., Jonker, W.
Searchable encryption is a technique that allows a client to store data in encrypted form on a curious server, such that data can be retrieved while leaking a minimal amount of information to the...
Barosso, D., Bartle, R., Chazeran, C., De Zwart, M., Doumen, J.M., Gorniak, S., ...
2007 was the year of online gaming fraud - with malicious programs that specifically target online games and virtual worlds increasing by 145% and the emergence of over 30,000 new programs aimed at...
Method of Key Management (2008)
Zych, A.K., Doumen, J.M., Jonker, W., Hartel, P.H., Petkovic, M.
The invention relates to a method of key management for group-based controlled access to encrypted data, in which a decryption key for the encrypted data can be obtained by a party if the party is a...
Trust Management in P2P systems using Standard TuLiP (2008)
Czenko, M.R., Doumen, J.M., Etalle, S.
In this paper we introduce Standard TuLiP - a new logic based Trust Management system. In Standard TuLiP, security decisions are based on security credentials, which can be issued by different...
Towards an Information Theoretic Analysis of Searchable Encryption (Extended Version) (2008)
Sedghi, S., Doumen, J.M., Hartel, P.H., Jonker, W.
Searchable encryption is a technique that allows a client to store data in encrypted form on a curious server, such that data can be retrieved while leaking a minimal amount of information to the...
How robust are gossip-based communication protocols? (2007)
Alvisi, L., Doumen, J.M., Guerraoui, R., Koldehofe, B., Li, H., Van Renesse, R., ...
Gossip-based communication protocols are often touted as being robust. Not surprisingly, such a claim relies on assumptions under which gossip protocols are supposed to operate. In this paper, we...
Non-interactive fuzzy private matching (2007)
Two fuzzy private matching protocols are introduced to allow a client to securely compare a list of words to a server list, and discover only those words on the server list that are similar to his,...
Secure Ad-hoc Pairing with Biometrics: SAfE (2007)
Buhan, I.R., Doumen, J.M., Hartel, P.H., Veldhuis, R.N.J.
The pairing problem is to enable two devices, which share no prior context with each other, to agree upon a security association that they can use to protect their subsequent communication. Secure...
Key Management Building Blocks for Wireless Sensor Networks (2007)
Law, Y.W., Doumen, J.M., Palaniswami, M.
Cryptography is the means to ensure data confidentiality, integrity and authentication in wireless sensor networks (WSNs). To use cryptography effectively however, the cryptographic keys need to be...
Method of Key Management (2006)
Zych, A.K., Doumen, J.M., Jonker, W., Hartel, P.H., Petkovic, M.
The invention relates to a method of key management for group-based controlled access to encrypted data, in which a decryption key for the encrypted data can be obtained by a party if the party is a...
Survey and Benchmark of Block Ciphers for Wireless Sensor Networks (2006)
Law, Y.W., Doumen, J.M., Hartel, P.H.
Cryptographic algorithms play an important role in the security architecture of wireless sensor networks (WSNs). Choosing the most storage- and energy-efficient block cipher is essential, due to the...
LicenseScript: A Logical Language for Digital Rights Management (2006)
Chong, C.N., Corin, R.J., Doumen, J.M., Etalle, S., Hartel, P.H., Law, Y.W., ...
We propose LicenseScript, a language for digital rights management (DRM) based on multiset rewriting and logic programming. LicenseScript enjoys a precise syntax and semantics, and it is rich enough...
Method of and device for querying of protected structured data (2005)
Jonker, W., Brinkman, R., Doumen, J.M., Schoenmakers, B.
Method of and device for querying of protected data structured in the form of a tree. A corresponding tree of node polynomials is constructed such that each node polynomial evaluates to zero for an...
Searching in Encrypted Data (2004)
Doumen, J.M., Brinkman, R., Jonker, W.
The amount of data an average person has, is becoming so huge that in the near future this cannot be stored locally anymore, and an external server will have to be used. When this server is not...
Efficient Tree Search in Encrypted Data (2004)
Brinkman, R., Feng, L., Doumen, J.M., Hartel, P.H., Jonker, W.
Sometimes there is a need to store sensitive data on an untrusted database server. Song, Wagner and Perrig have introduced a way to search for the existence of a word in an encrypted textual...
Benchmarking Block Ciphers for Wireless Sensor Networks (Extended Abstract) (2004)
Law, Y.W., Doumen, J.M., Hartel, P.H.
Choosing the most storage- and energy-efficient block cipher specifically for wireless sensor networks (WSNs) is not as straightforward as it seems. To our knowledge so far, there is no systematic...
On the Security of Digital Signature Schemes Based on Error-Correcting Codes (2003)
We discuss the security of digital signature schemes based on error-correcting codes. Several attacks to the Xinmei scheme are surveyed, and some reasons given to explain why the Xinmei scheme...
Pseudorandom Sequences From Elliptic Curves (2002)
Beelen And Doumen, J. M. Doumen
In this article we will generalize some known constructions to produce pseudorandom sequences with the aid of elliptic curves. We will make use of both additive and multiplicative characters on...
Density matrix technique for ground state calculations (1999)
The density matrix approach is a technique to calculate the lowest eigenvalue of a large matrix such as occurring in quantum mechanical systems. So far the method works very well for systems with a...