Ralf-Philipp Weinmann
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TU Darmstadt Room: S2/02 B209 Tel.: 06151/16-6628 Email: weinmann AT cdc DOT informatik DOT tu-darmstadt DOT de |
I'm a member of Prof. Johannes Buchmann's research group cryptography & computer algebra at the Darmstadt University of Technology. Should you choose to contact me, note that encrypted email is preferred. A current PGP key (0xEFCD9B06) can be found on the usual key servers.
Research Interests
- Cryptanalysis of symmetric cryptographic primitives
- Algebraic properties and representations of cryptographic systems
- Efficient computation of Gröbner bases
- Multivariate cryptography
Publications
- Ulrich Kühn, Andrei Pyshkin, Erik Tews, Ralf-Philipp Weinmann: Variants of Bleichenbacher's Low-Exponent Attack on PKCS#1 RSA Signatures
SICHERHEIT 2008, LNI, pp. 97-109, GI-Verlag - Erik Tews, Ralf-Philipp Weinmann, Andrei Pyshkin: Breaking 104 bit WEP in less than 60 seconds
WISA 2007, LNCS 4867, pp. 188-202, Springer-Verlag (alternative version on the IACR ePrint Archive: Report 2007/120) - Fen Liu, Wen Ji, Lei Hu, Jintai Ding, Shuwang Lv, Andrei Pyshkin, Ralf-Philipp Weinmann: Analysis of the SMS4 block cipher
ACISP 2007, LNCS 4586, pp. 158-170, Springer-Verlag [pdf available through SpringerLink] - Johannes Buchmann, Andrei Pyshkin, Ralf-Philipp Weinmann: A Zero-Dimensional Groebner Basis for AES-128
FSE 2006, LNCS 4047, pp. 78-88, Springer-Verlag, [pdf available through SpringerLink] - Johannes Buchmann, Andrei Pyshkin, Ralf-Philipp Weinmann: Block Ciphers Sensitive to Groebner Basis Attacks
CT-RSA 2006, LNCS 3860, pp. 313-331, Springer-Verlag, [pdf available trough SpringerLink] - Ralf-Philipp Weinmann, Kai Wirt: Analysis of the DVB Common Scrambling Algorithm
CMS 2004, Proceedings of the 8th IFIP TC-6 TC-11 Conference on Communications and Multimedia Security, Springer-Verlag, [pdf]
- Ralf-Philipp Weinmann: Evaluating Algebraic Attacks on the AES (diploma thesis) [pdf]
Teaching
- Bachelorpraktikum: Kryptographie (SS2005)
- Blockseminar: Symmetrische Kryptographie (SS2005)
- Blockseminar: Symmetrische Kryptographie (WS2005/2006)
- Blockseminar: Symmetrische Kryptographie (SS2006)
- Blockseminar: Symmetrische Kryptographie (WS2006/2007)
