``You are always born under the wrong sign, and to live in this world properly you have to rewrite your own horoscope day by day.'' Umberto Eco

Cristina Nita-Rotaru

Cristina Nita-Rotaru

Assistant Professor
Department of Computer Sciences
Purdue University

Publications



[Journals]   [Conferences]   [Education and Distance Learning]   [Posters]   [Technical Reports]   [Presentations]  

Journals

Secure Group Communication Using Robust Contributory Key Agreement. Yair Amir, Yongdae Kim,Cristina Nita-Rotaru,John Schultz, Jonathan Stanton, and Gene Tsudik. IEEE Transactions on Parallel and Distributed Systems (TPDS), vol. 15, no. 5, pp. 468-480, May 2004. [PDF].
On the Performance of Group Key Agreement Protocols. Yair Amir,Yongdae Kim,Cristina Nita-Rotaru, and Gene Tsudik. ACM Transactions on Information Systems Security (TISSEC), vol. 7, no. 3, August 2004. [PDF].
Secure Spread: An Integrated Architecture for Secure Group Communication Yair Amir, Cristina Nita-Rotaru , Jonathan Stanton and Gene Tzudik. In IEEE Transactions on Dependable and Secure Computing (TDSC), vol. 2, no. 3, August 2005.[PDF].
ODSBR: An On-Demand Secure Byzantine Resilient Routing Protocol for Wireless Ad Hoc Networks. Baruch Awerbuch, Reza Curtmola, David Holmer, Cristina Nita-Rotaru and Herbert Rubens. To appear in ACM Transactions on Information Systems Security (TISSEC), 2007. [PDF].
Enabling Confidentiality of Data Delivery in an Overlay Broadcasting System. R. Torres X. Sun, A. Walters, C. Nita-Rotaru and S. Rao. In Special Issue of IEEE JSAC on Advances in Peer-to-Peer Streaming Systems, vol. 25, no. 9, December 2007. [PDF].
JANUS: A Framework for Scalable and Secure Routing in Hybrid Wireless Networks. B. Carbunar, I. Ioannidis and C. Nita-Rotaru. To appear in IEEE Transactions on Dependable and Secure Systems (TDSC), 2008. [PDF].
Virtual Classroom Extension for Effective Distance Education. C. Jia, R. Dondera, V. Popescu, C. Nita-Rotaru, M. Dark, and C. S. York. In IEEE Computer Graphics and Applications, Jan./Feb. 2008. [PDF]
A Framework for Mitigating Attacks Against Measurement-Based Adaptation Mechanisms in Unstructured Multicast Overlay Networks. A. Walters, D. Zage and C. Nita-Rotaru. To appear in IEEE/ACM Transactions on Networking, Feb. 2009. [PDF].
A Survey of Attack and Defense Techniques for Reputation Systems K. Hoffman, D. Zage and C. Nita-Rotaru. To appear in ACM Computing Surveys, Mar. 2008. [PDF].
STEWARD: Scaling Byzantine Fault-Tolerant Replication to Wide Area Networks. Y. Amir, C. Danilov, D. Dolev, J. Kirsch, J. Lane, C. Nita-Rotaru, J. Olsen, and D. Zage. To appear in IEEE Transactions on Dependable and Secure Computing (TDSC), June 2008.

Conferences and Workshops

Mitigating Attacks against Virtual Coordinate System Based Routing in Wireless Sensor Networks. J. Dong, B. Bhavar, E. Ackermann, and C. Nita-Rotaru. In First ACM Conference on Wireless Network Security (WiSec), Alexandria, VA, March 2008. [PDF].
On the Pitfalls of Using High-Throughput Metrics in Adversarial Wireless Mesh Networks, J. Dong, R. Curtmola and C. Nita-Rotaru. In the Fifth Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks (SECON 2008), San Francisco CA, June 2008.
Secure Group Communication in Wireless Mesh Networks. In Ninth IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WOWMOM), Newport Beach, CA, June, 2008. J. Dong, K. Ackermann, and Cristina Nita-Rotaru.
On the Accuracy of Decentralized Network Coordinate Systems in Adversarial Networks. D. Zage and C. Nita-Rotaru. In the 14th ACM CCS, Alexandria, VA, USA, October 29 - November 2, 2007. [PDF].
BSMR: Byzantine-Resilient Secure Multicast Routing in Multi-hop Wireless Networks. R. Curtmola and C. Nita-Rotaru. In SECON 2007, June 2007, San Diego, CA. [PDF] An extened version of this paper is available as Technical Report CSD TR 07-005, March 2007. [PDF]
Enabling Confidentiality of Data Delivery in an Overlay Broadcasting System. R. Torres X. Sun, A. Walters, C. Nita-Rotaru and S. Rao. In INFOCOM 2007, Anchorage, Alaska. [PDF]
Mitigating Attacks Against Measurement-Based Adaptation Mechanisms in Unstructured Multicast Overlay Networks. AAron Walters, David Zage and Cristina Nita-Rotaru, The 14th IEEE International Conference on Network Protocols November (ICNP) 12-15, 2006 Santa Barbara, California. [PDF].
Steward: Scaling Byzantine Fault-Tolerant Systems to Wide Area Networks. Yair Amir, Claudiu Danilov, Danny Dolev, Jonathan Kirsch, John Lane, Cristina Nita-Rotaru, Josh Olsen, David Zage, In The International Conference on Dependable Systems and Networks (DSN-2006), Philadelphia, PA, June 2006. [PDF]. Also Technical Report CSD TR 05-029. [PDF] .
A Byzantine Resilient Distributed Position Service. Josh Olsen, David Zage and Cristina Nita-Rotaru. Extended Abstract. In The International Conference on Dependable Systems and Networks (DSN-2006), Philadelphia, PA, June 2006.
Po2V: Network Layer Position Verification in Multi-Hop Wireless Networks. In IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WOWMOM), Niagara Falls, NY June, 2006. Xiaoxin Wu and Cristina Nita-Rotaru.
On the Survivability of Routing Protocols in Ad Hoc Wireless Networks. In IEEE Conference on Security and Privacy for Emerging Areas in Communication Networks (SecureComm) 2005, Sept. 2005. B. Awerbuch, R. Curtmola, D. Holmer, C. Nita-Rotaru and H. Rubens. [PDF]
DICAS: Detection, Diagnosis and Isolation of Control Attacks in Sensor Networks. In IEEE Conference on Security and Privacy for Emerging Areas in Communication Networks (SecureComm) 2005, Sept. 2005. I. Khalil, S. Bagchi and C. Nita-Rotaru. [PDF]
On the Security of Distributed Position Services. In IEEE Conference on Security and Privacy for Emerging Areas in Communication Networks (SecureComm) 2005, Sept. 2005. X. Wu and C. Nita-Rotaru, [PDF].
WiViD: Visible Watermak Based Defense Against Phishing. In International Workshop of Digital Watermarking (IWDW), Sept. 2005. A. Shamara, M. Topkara, M. Atallah and C. Nita-Rotaru. [PDF].
SPASS: Scalable and Energy-Efficient Data Acquisition in Sensor Databases. In 4th International ACM Workshop on Data Engineering for Wireless and Mobile Access (MobiDe 2005) in conjunction with ACM SIGMOD/PODS. Baltimore, June 2005. M.H. Ali, Walid G. Aref and C. Nita-Rotaru. [PDF].
Scalable Routing in Hybrid Cellular and Ad-Hoc Networks. In IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, Taormina / Giardini Naxos, Italy June, 2005. Ioannis Ioannidis, Bogdan Carbunar, Cristina Nita-Rotaru. [PDF] [Extended Technical Report CSD TR# 05-006]
Secure Multi-Hop Infrastructure Access. In Wireless and Mobile Security Workshop, NDSS'05 Catamaran Resort Hotel San Diego, California, Feb. 2005. Baruch Awerbuch, Reza Curtmola, David Holmer, Cristina Nita-Rotaru and Herbert Rubens.
Synchronization Attacks Against 802.11. In Wireless and Mobile Security Workshop, NDSS'05 Catamaran Resort Hotel San Diego, California, Feb. 2005. Gunjan Khanna, Ammar Masood and Cristina Nita-Rotaru.
JANUS: Towards Robust and Malicious Resilient Routing in Hybrid Wireless Networks. In Workshop in Wireless Security WiSe 2004, In conjunction with MOBICOM 2004, Philadelphia, PA, Sept. 2004 Bogdan Carbunar, Ioanis Ioannidis and Cristina Nita-Rotaru. [PDF]
A Framework for Role-Based Access Control in Group Communication Systems. In 2004 International Workshop on Security in Parallel and Distributed Systems In conjunction with the 17th International Conference on Parallel and Distributed Computing Systems PDCS-2004 San Francisco , CA, September 15-17, 2004 Cristina Nita-Rotaru and Ninghui Li. [PDF], [Extended Technical Report CERIAS TR #2003-31] .
Coping with the Insider Threat in Scalable Distributed Information Systems Service. In FuDiCo II: (S.O.S.)Survivability: Obstacles and Solutions, 2nd International Workshop on Future Directions in Distributed Computing , University of Bologna Residential Center Bertinoro(Forli), Italy, June 23-25 2004. Yair Amir and Cristina Nita-Rotaru. [PDF].
Scaling Secure Group Communication Systems: Beyond Peer-to-Peer In the Proceedings of DISCEX3, Washington DC, April 22-24, 2003. Obsoletes Technical Report CNDS-2002-3, October 2002. Yair Amir, Cristina Nita-Rotaru, Jonathan Stanton, and Gene Tsudik. [PDF].
On the Performance of Group Key Agreement Protocols. Published in the Proceedings of the 22nd IEEE International Conference on Distributed Computing Systems, Vienna, Austria, July 2-5, 2002, short paper. Yair Amir, Yongdae Kim, Cristina Nita-Rotaru, and Gene Tsudik. [PDF].
Stateless-Recipient Certified E-mail System based on Verifiable Encryption. Published in the Proceedings of RSA 2002 , McEnery Convention Center, San Jose, CA, USA, February 18-22, 2002. Giuseppe Ateniese and Cristina Nita-Rotaru. [PDF].
Exploring Robustness in Group Key Agreement. Published in the Proceedings of the 21th IEEE International Conference on Distributed Computing Systems, Phoenix, Arizona, April 16-19, 2001, pp 399-408. Nominated for Best Paper Award. Yair Amir, Yongdae Kim, Cristina Nita-Rotaru, John Schultz, Jonathan Stanton, and Gene Tsudik. [PDF]. [Extended Technical Report CNDS #2000-4].
Secure Group Communication in Asynchronous Networks with Failures: Integration and Experiments Published in the Proceedings of the 20th IEEE International Conference on Distributed Computing Systems, Taipei, Taiwan, April 10-13, 2000, pp 330-343. Yair Amir,Giuseppe Ateniese, Damian Hasse, Yongdae Kim,Cristina Nita-Rotaru, Theo Schlossnagle, John Schultz, Jonathan Stanton, and Gene Tsudik. [PDF].
An On-Demand Secure Routing Protocol Resilient to Byzantine Failures. In ACM Workshop on Wireless Security (WiSe), Atlanta, Georgia, September 28 2002. Baruch Awerbuch, Dave Holmer,Cristina Nita-Rotaru, and Herbert Rubens. [PDF].
High Performance, Secure, Robust and Transparent Messaging Service. In FuDiCo 2002: International Workshop on Future Directions in Distributed Computing , Bertinoro(Forli), Italy, June 3-7 2002. Yair Amir, Claudiu Danilov, and Cristina Nita-Rotaru. [PS].
Framework for Authentication and Access Control of Client-Server Group Communication Systems Published in the Proceedings of the Third International Workshop on Networked Group Communication, London, UK November 7-9 2001. Yair Amir, Cristina Nita-Rotaru,and Jonathan Stanton. [PS], [Extended Technical Report CNDS #2001-2].

Education

A Multi-Expertise Application-Driven Class. In the 38th ACM Technical Symposium on Computer Science Education SIGCSE 2007, C. Nita-Rotaru, M. Dark and V. Popescu.
Evaluating Interactivity and Presence in an Online Distance Learning System. In Frontiers in Education (FIE) 2007, M. Dark, C. York, V. Popescu and C. Nita-Rotaru.
A Pilot Study on the Design Effectiveness of a New Distance Learning System. In American Educational Research Association(AERA) 2008, Advanced Technologies for Learning (ATL) SIG. M. Dark, C. York, D. Yang, V. Popescu and C. Nita-Rotaru.

Posters

STAMP: Toward Reclaiming Email Address Privacy. In NSDI 2008, Poster, San Francisco, CA, April 2008. K. E. Ackerman, C. Gaspard, R. Kompella and C. Nita-Rotaru.
Attacks Against Virtual Coordinate System Based Routing in Wireless Sensor Networks. In INFOCOM 2007, Poster, Anchorage, AK, May 2007. J. Dong, B. Bavar and C. Nita-Rotaru.
Secure Multicast Routing in Wireless Networks, In MOBICOM 2006, Poster, Los Angeles, CA, September 2006. R. Curtmola and Cristina Nita-Rotaru.
Analysis of Malicious Abstract Faults in Adaptive Measurement-Based Overlay Networks, In SOSP 2005, Poster, Brighton, UK, October 2005. A. Walters and C. Nita-Rotaru.
Network Layer Position Verification In MobiHoc 2005, Poster , Urbana-Champaign, IL, May 2005. X. Wu and C. Nita-Rotaru.

Technical Reports

Enhancing Distributed Systems with Mechanisms to Cope with Malicious Clients. Yair Amir, Claudiu Danilov, John Lane, Michal Miskin-Amir, Cristina Nita-Rotaru [PDF] .
DAISY: Increasing Scalability and Robustness of Anonymity Systems Chi-Bun Chan and Cristina Nita-Rotaru. Technical Report CSD TR #04-018. Oct. 2004. [PDF] .
Robust Security Mechanisms for Data Streams Systems Mohamed Ali, Mohamed ElTabakh, and Cristina Nita-Rotaru. Technical Report CSD TR #04-019, May 2004. [PDF] .

Presentations

Attacks in Unstructured Overlays for Peer-to-Peer Streaming. Presented at Stony Brook University, Stony Brook, NY, April 2008.
On the Pitfalls of Blind Acceptance of Metrics in Adversarial Networks. Presented at University of Wisconsin, Madison, Wisconsin, Feb. 2008.
On the Pitfalls of Blind Acceptance of Metrics in Adversarial Networks. Presented at EPFL, Lausanne, Switzerland, Feb. 2008.
On the Pitfalls of Blind Acceptance of Metrics in Adversarial Networks. Presented at TU Darmstadt, Darmstadt, Germany, Feb. 2008.
Mitigating Attacks Against Unstructured Multicast Overlay Networks. Presented at University of California Irvine, Irvine, CA, Jan. 2008.
Mitigating Attacks Against Unstructured Multicast Overlay Networks. Presented at USC Information Sciences Institute, Marina del Rey, CA, Jan. 2008.
Mitigating Attacks Against Measurement-Based Adaptation Mechanisms in Unstructured Multicast Overlay Networks. Presented at California Institute of Technology, Pasadena, CA, Oct. 2007.
Mitigating Attacks Against Measurement-Based Adaptation Mechanisms in Unstructured Multicast Overlay Networks. Presented at Northwestern University, Evanston, IL, Sept. 2007.
Scaling Byzantine Resilient Replication to Wide Area Networks. Presented at Center for Data and Search Informatics, Indiana University, Bloominghton, IN, Sept., 2007.
Enabling Collaborative Applications in Wireless Mesh Networks. Presented at Motorola Labs, Schaumburg, IL, July, 2007.
Mitigating Attacks Against Measurement-Based Adaptation Mechanisms in Unstructured Multicast Overlay Networks. Presented in Georgia Institute of Technology, Center for Experimental Research in Computer Systems (CERCS) Seminar, Atlanta, GA, November, 2006.
Scaling Byzantine Resilient Replication to Wide Area Networks. Presented in North Carolina State University Computer Science Colloquium , Raleigh, NC, October, 2006.
Towards Resilient Overlay Networks: Enhancing Adaptivity with Byzantine Resilience. Presented in Boston University Computer Science Seminar, Boston, Ma, February, 2006.
Building Trustworthy Mesh Networks. Presented at Microsoft Research, Mesh Networking Group, February 2006.
Towards Resilient Overlay Networks: Enhancing Adaptivity with Byzantine Resilience. Presented in Colorado State Computer Science seminar, Fort Collins, CO, January, 2006.
Scalable Routing in Hybrid Cellular and Ad-Hoc Networks. Presented in IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks, Taormina / Giardini Naxos, Italy June, 2005.
Insider Threats to Distributed Systems and Network Protocols: Challenges and Solutions. Presented in PERFORM Group Seminar at Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign}, IL, May 2005.
Survivable Routing in Ad Hoc Wireless Networks Presented in Security Seminar at Department of Computer and Information Science, IUPUI, April 2005.
Friend or Foe: Mitigating Insider Threats in Scalable Distributed Systems Presented in Security Seminar, Department of Computer Science, University of Illinois, Urbana-Champaign, IL, March 16, 2005.
Building Survivable Distributed Systems: Where Fault-Tolerance Meets Security Presented at Institute for Information Infrastructure Protection (I3P) Consortium Meeting Purdue University, West Lafayette, IN, Dec. 2-3, 2004.
SWAN: Survivable Ad Hoc Wireless Networks Presented in CWSA Workshop on Wireless Systems and Applications: Wired for Wireless, Purdue University, West Lafayette, IN, Nov. 2004.
Survivable Routing in Ad Hoc Wireless Networks Presented in Security Seminar at Computer and Information Sciences Department, University of Delaware, Oct. 2004.
A Framework for Role-Based Access Control in Group Communication Systems Presented at 2004 International Workshop on Security in Parallel and Distributed Systems In conjunction with the 17th International Conference on Parallel and Distributed Computing Systems PDCS-2004 San Francisco, CA, September 15-17, 2004.
Coping with the Insider Threat in Scalable Distributed Information Systems Presented at FuDiCo II: S.O.S. Survivability: Obstacles and Solutions 2nd Bertinoro Workshop on Future Directions in Distributed Computing Bertinoro (Forli), Italy, June 23-25, 2004.
Scaling Secure Group Communication Presented at DISCEX3, Washington DC, April 22-24, 2003.
On the Performance of Group Key Agreement Protocols Presented at the 22nd IEEE International Conference on Distributed Computing Systems, Viena, Austria, July 2-5, 2002.
Exploring Robustness in Group Key Agreement Presented at the 21th IEEE International Conference on Distributed Computing Systems, Phoenix, Arizona, April 16-19, 2001.
Secure Spread . Workshop on Secure Group Communication, NAI Labs, Glenwood, MD. March 2002.

Send your comments and questions to Cristina Nita-Rotaru