Korea-Japan Joint Workshop at KDDI, Tokyo IT-Security Researches in Germany and Europe Prof. Tsuyoshi Takagi Future University ‐ Hakodate

Korea-Japan Joint Workshop at KDDI, Tokyo IT-Security Institutes in Germany TU Dresden Prof. A. Pfizmann Information Hiding German Telecom Research Center Berlin BMBF (Ministry for Education and Research) Uni-Saarland MaxPlanck Institute DFKI (verification technique) Uni-Bochum, Uni-Essen Prof. C.Paar, Prof. G.Frey (elliptic curve cryptosystem) DFG (German NSF) BSI (German NSA) Uni-Freiburg Prof. Gueter Mueller (network security) Research City Darmstadt TU Munich Verification Technique DymlerCrysler Research Center Uni-Frankurt Prof. C.-P.Schnorr TU Karlsruhe Prof. Thomas Beth PTB (German NIST)

Korea-Japan Joint Workshop at KDDI, Tokyo Research City Darmstadt TU Darmstadt - Prof. J. Buchmann, number fields crypto, post-quantum crypto - Prof. A. May, lattice based cryptosystems - Prof. N. Suri, dependable, embedded systems & software Fraunhofer Institute - Prof. J. Encarnacao, computer graphic, water marking, etc - Prof. C. Eckert, PKI, smart cards, etc. German Telecom Research Center - Dr. Friedrich Toensing, network security, etc

Korea-Japan Joint Workshop at KDDI, Tokyo Industry-Government-Academic Cooperation Universities Fraunhofer, MaxPlack, … German Telecom DymlerCrysler, Siemens, …. TU Darmstdat, Uni-Saarland, … Semi-Governmental Institutes Private Companies Government BMBF (Ministry) DFG (NSF) BSI (NSA) 40~80% Resource FundingProject Oriented Grant 100% Resource Funding Project-Oriented Grants Grants (projects with university) Professors Master/PhD Students Research Projects Applied Projects Researchers Projects Students

Korea-Japan Joint Workshop at KDDI, Tokyo FP6-IST EU Government, 6th Framework Programme Information Societies Technology (FP6-IST) (total budget: 4,000 million Euros) Network of Excellent (7) - European Network of Excellence in Cryptology (ECrypt) - Biometrics for Secure Authentication - The Future of Identity in the Information Society - etc Integrated Project (20) - Security Expert Initiative - Towards a Global Security and Visibility framework for Justice in EU - Integrated Secure Platform for Interactive Personal Devices - etc Specific Targeted Project (34) - Distributed Adaptive Security by Programmable Firewall - Side Channel Analysis Resistant Design Flow - Secure Contracts signed by Telephone - Dependable Distributed Systems - etc

Korea-Japan Joint Workshop at KDDI, Tokyo Academic Career in Germany |||| |||| Old New 2001~ 25~26 29~31 32~35 38~40 40~45 45~50 || Master PhD PostDoc Habilitation Associate Full Professor Professor Faculty Member 25~26 29~31 32~35 38~43 43~50 Master PhD PostDoc Assistant Associate Full Professor Professor Professor | Faculty Member

Korea-Japan Joint Workshop at KDDI, Tokyo Juniorprofessor Same right and obligation as standard professor - lectures, supervising PhD, grant application, professor meetings, secretary, etc Non-Tenure Position (3 years + 3years) - house employment is not allowed

Korea-Japan Joint Workshop at KDDI, Tokyo Main Activities Certificate Authority - Flexi-Provider, CA using Java Formal Security Proof - security proof for high level protocols Side channel attacks - meaningful security modeling Quantum computer - alternative mathematical problems Designs, Codes, and CryptogrpahyIEEE Transactions on ComputersIEICE Transactions on Fundamentals.Journal of CryptogloyCRYPTOEUROCRYPTASIACRYPTPKCCHESACISPACNSICISCICICSINDOCRYPTISC….

Korea-Japan Joint Workshop at KDDI, Tokyo SicAri, BMBF-Project - security analysis of side channel attacks (300,000 Euro, 4 years) Verisoft, BMBF-Project - formal verification of cryptographic protocols (800,000 Euro, 4 years) DFG - public-key cryptosystem for quantum computing age (130,000 Euro, 2 years) Industry Projects - efficient and secure implementation (100,000 Euros) Research Projects

Korea-Japan Joint Workshop at KDDI, Tokyo Future University - Hakodate FUN started in School of System Information Science - Chaos Theory, Information Design, Communication, Humanoid Robotics, Ubiquitous Sensor Network, etc. FUN

Korea-Japan Joint Workshop at KDDI, Tokyo Recent Research Topics PKC over Mobile Phones - software implementation (Java, C) - RSA, elliptic curve cryptosystems - pairing based cryptosystems - side channel attacks Security of Sensor Networks - implementation of PKC over MOTE - detection/elimination of selfish nodes (with Prof. Osamu Takahashi at FUN)

Korea-Japan Joint Workshop at KDDI, Tokyo Small Examples of Selfish Nodes Density GraphRouting 25 （ Low ） There is no rout to reach the left node. 50 （ Mid ） There is a rout to reach the left node. 100 （ High ） There is two different routs to reach the left node.

Korea-Japan Joint Workshop at KDDI, Tokyo An Experiment using Simulator NS-2 Node Number 100 probability throughput [kbps] Prob. (no connection to the left node) Prob. (one extra hop to the left node) ratio of selfish nodes Through put [kbps] Prob. of the above +

Korea-Japan Joint Workshop at KDDI, Tokyo Thank you! Questions?