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UC Davis

Events from Past Quarters

Fall 2007 Events

Date Time Room Topic
Wednesday 11-21-07 12:00-2:00 1131 A continuation of the discussion related to the 10-29 meetings.
Tuesday 11-20-07 10:30-12:00 3083 Practice Talk: Mark Gondree will present "Multi-Party Indirect Indexing and Applications," his work with Matt Franklin and Payman Mohassel, to appear at ASIACRYPT'07 [link]
Monday 10-29-07 10:00-12:00 3083 Impossibility results on constructing collision-resistant combiners for CRHFs (presenter: Mohassel) See:
Boneh and Boyen, "On the impossibility of efficiently combining collision resistant hash functions," Crypto 06 [link];
Pietrzak, "Non-Trivial Black-Box Combiners for Collision-Resistant Hash-Functions Don't Exist," [link]
Monday 10-15-07
and
10-22-07		 10:30-12:00 3083 Roundtable discussion of recent Koblitz-Menezes/Goldreich exchange (moderator: Gondree) See:
Koblitz and Menezes articles [1, 2];
Goldreich response [link];
Koblitz response to Goldreich's response [link]
Monday 10-08-07 10:00-12:00 3083 Mutual Authentication in the Peer-to-Peer Setting (presenter: Stegers) See:
Mihir Bellare and Phillip Rogaway, "Entity Authentication and Key Distribution," Crypto 1993 [link];
Mihir Bellare, David Pointcheval, and Phillip Rogaway, "Authenticated key exchange secure against dictionary attacks," Eurocrypt 2000 [link];
Kim-Kwang Raymond Choo, Colin Boyd, Yvonne Hitchcock, "Examining Indistinguishability-Based Proof Models for Key Establishment Protocols," Asiacrypt 2005, [link]

Winter 2007 Events

Date Time Room Topic
Thursday 3-31-07 3:10-4:00 1065 Distinguished Lecturer Silvio Micali, MIT Computer Science and Artificial Intelligence Laboratory (host: Phil Rogaway)
Tuesday 3-20-07 3:10-4:00 1131 Tom Ristenpart (UC San Diego) will speak on the subject of "New Approaches for Building Cryptographic Hash Functions."
Monday 3-19-07 2:00-4:00 1131 Payman Mohassel will present a practice version of his qual talk.
Monday 3-05-07 2:15-4:00 1131 Generic Attacks on Iterative Hash Functions (presenter: Stegers). See:
A. Joux, "Multicollisions in Iterated Hash Functions," Crypto 2004 [link];
J. Kelsey, B. Schneier, "Second Preimages on n-Bit Hash Functions for Much Less than 2^n Work," Eurocrypt 2005 [link];
T. Kohno, J. Kelsey, "Herding Hash Functions and the Nostradamus Attack," NIST Hash Workshop 2005 and Eurocrypt 2006 [link];
J. J. Hoch, A. Shamir, "Breaking the ICE - Finding Multicollisions in Iterated Concatenated and Expanded (ICE) Hash Functions", FSE 2006 [link]
Wednesday 2-28-07 2:15-4:00 1131 Number theoretic characters, and some of their applications in cryptography (presenter: Gagne)
Monday 1-29-07 10:00-12:00 3083 Practice Talk: Payman Mohassel will present "Improved Efficiency for Private Stable Matching," his work with Matt Franklin and Mark Gondree, to appear at CT-RSA'07 [link link]
Monday 1-22-07 10:00-12:00 3083 G. Bana, P. Mohassel, and T. Stegers. "Computational Soundness of Formal Indistinguishability and Static Equivalence," ASIAN 2006 [link]. (presenter: Stegers)

Spring 2006 Events

Date Time Room Topic
Wednesday 4-19-06 10:00-12:00 3083 Practice Talk: Payman Mohassel will present "Efficiency Tradeoffs for Malicious Two-Party Computation," his work with Matt Franklin, to appear at PKC'06 [link]
Wednesday 4-12-06 10:00-12:00 3083 Practice Talk: Payman Mohassel will present "Efficient Polynomial Operations in the Shared-Coefficients Setting," his work with Matt Franklin, to appear at PKC'06 [link]

Winter 2006

Date Time Room Topic
Wednesday 3-15-06 2:00-4:00 1131 M. Baudet, V. Cortier, and S. Kremer. "Computationally sound implementations of equational theories against passive adversaries," ICALP'05 [link]
M. Abadi, M. Baudet and B. Warinschi. "Guessing attacks and the computational soundness of static equivalence," FOSSACS'06 [link] (presenter: Stegers, Mohassel)
Wednesday 2-8-06
2-1-06		 2:00-4:00 1131 R. Cramer and V. Shoup. "Design and analysis of practical public-key encryption schemes secure against adaptive chosen ciphertext attack," SIAM JoC, 2003 [link] (presenter: Bana)
Wednesday 1-25-06 2:00-4:00 1131 Michel Abdalla et al. "Searchable Encryption Revisited: Consistency Properties, Relation to Anonymous IBE, and Extensions," 2005. [link] (presenter: Gagne)
Wednesday 01-11-06 2:00-4:00 1131 C. Wolf, B. Preneel. "Taxonomy of public key schemes based on the problem of multivariate quadratic equations," 2005. [link] (presenter: Stegers)

Fall 2005

Date Time Room Topic
Wednesday 12-07-05 3:00-5:00 TB207 solutions to Nov's challenges:
Fagin, Naor, Wrinkler. "Comparing information without leaking it," CACM 39(5), p77--85, 1996. (presenter: Gondree)
Wednesday 11-23-05 3:00-5:00 3083 Impagliazzo, Rudich. "Limits on the Provable Consequences of One-way Permutations," Crypto 1989 [link] (presenter: Mohassel)
Wednesday 11-9-05 3:00-5:00 3083 Kelsey, Kohno. "Herding Hash Functions and the Nostradamus Attack," 2005 [link] (presenter: Gondree)
Wednesday 11-2-05 3:00-5:00 3083 solutions to Oct's challenges:
Shamir, Rivest, Adleman "Mental Poker," 1979;
Balogh, Csirik, Ishai, Kushilevitz "Private Computation using a PEZ Dispenser," 2003 (presenter: Gondree)
Wednesday 10-26-05 3:00-5:00 3083 Bellare, Boldyreva, Micali. "Public-key encryption in the multi-user setting," Eurocrypt 2000 (presenter: Gagne)
Wednesday 10-19-05 3:00-5:00 3083 security notions: definitions, history, etc (presenter: Gagne)
Friday 10-14-05 1:10-3:00 Courtyard Organizational Meeting