Korea-Japan Joint Workshop at KDDI, Tokyo17.11.2005

IT-Security Researches in Germany and Europe

Prof. Tsuyoshi Takagi

Future University‐Hakodatehttp://www.fun.ac.jp/~takagi/

Korea-Japan Joint Workshop at KDDI, Tokyo17.11.2005

IT-Security Institutes in Germany

TU DresdenProf. A. PfizmannInformation Hiding

German Telecom Research Center BerlinBMBF (Ministry for Education and Research)

Uni-SaarlandMaxPlanck InstituteDFKI(verification technique)

Uni-Bochum, Uni-EssenProf. C.Paar, Prof. G.Frey(elliptic curve cryptosystem)

DFG (German NSF)BSI (German NSA)

Uni-FreiburgProf. Gueter Mueller(network security)

Research CityDarmstadt

TU MunichVerification Technique

DymlerCrysler Research Center

Uni-FrankurtProf. C.-P.Schnorr

TU KarlsruheProf. Thomas Beth

PTB (German NIST)

Korea-Japan Joint Workshop at KDDI, Tokyo17.11.2005

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, Tokyo17.11.2005

Industry-Government-Academic Cooperation

Universities

Fraunhofer,MaxPlack, …

German TelecomDymlerCrysler, Siemens, ….

TU Darmstdat,Uni-Saarland, …

Semi-Governmental Institutes

Private Companies

GovernmentBMBF (Ministry)DFG (NSF)BSI (NSA)

40~80% R

esource FundingProject O

riented Grant

100% Resource FundingProject-Oriented Grants Grants (projects with university)

ProfessorsMaster/PhD StudentsResearch Projects

Applied ProjectsResearchers

ProjectsStudents

Korea-Japan Joint Workshop at KDDI, Tokyo17.11.2005

FP6-ISTEU Government, 6th Framework ProgrammeInformation 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, Tokyo17.11.2005

Academic Career in Germany

| | | |

| | | |

Old

New2001~

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, Tokyo17.11.2005

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, Tokyo17.11.2005

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 Cryptogloy

CRYPTOEUROCRYPTASIACRYPTPKCCHESACISPACNSICISCICICSINDOCRYPTISC….

Korea-Japan Joint Workshop at KDDI, Tokyo17.11.2005

• 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, Tokyo17.11.2005

Future University - Hakodate

• FUN started in 2000. • School of System Information Science - Chaos Theory, Information Design, Communication, Humanoid Robotics, Ubiquitous Sensor Network, etc.

FUN

Korea-Japan Joint Workshop at KDDI, Tokyo17.11.2005

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, Tokyo17.11.2005

Small Examples of Selfish Nodes

Density Graph Routing

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, Tokyo17.11.2005

100ノード数

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

0% 20% 40% 60% 80% 100%プロトコル非準拠ノードの割合

確率

0

50

100

150

200

250

300

350

400

[kbp

s]スループット1 ( )ホップより増加する確率 左側

( )接続失敗確率 左側

( )悪化する確率 左側

( )スループット右側

An Experiment using Simulator NS-2Node Number 100

prob

abil

ity

thro

ughp

ut [

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, Tokyo17.11.2005

Thank you! Questions?