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CHI
2003
ACM
15 years 10 months ago
Interaction patterns with a classroom feedback system: making time for feedback
In this paper, we describe two novel patterns of interaction that arose in a study of a computer-mediated feedback system for the university classroom. In both patterns, students ...
Richard J. Anderson, Tammy VanDeGrift, Steven A. W...
IACR
2011
88views more  IACR 2011»
13 years 9 months ago
Storing Secrets on Continually Leaky Devices
We consider the question of how to store a value secretly on devices that continually leak information about their internal state to an external attacker. If the secret value is s...
Yevgeniy Dodis, Allison B. Lewko, Brent Waters, Da...
ASIACRYPT
2004
Springer
15 years 3 months ago
Secret Handshakes from CA-Oblivious Encryption
Secret handshakes were recently introduced [BDS+ 03] to allow members of the same group to authenticate each other secretly, in the sense that someone who is not a group member ca...
Claude Castelluccia, Stanislaw Jarecki, Gene Tsudi...
CRYPTO
2001
Springer
111views Cryptology» more  CRYPTO 2001»
15 years 2 months ago
On the Cost of Reconstructing a Secret, or VSS with Optimal Reconstruction Phase
Consider a scenario where an l-bit secret has been distributed among n players by an honest dealer using some secret sharing scheme. Then, if all players behave honestly, the secre...
Ronald Cramer, Ivan Damgård, Serge Fehr
CTRSA
2008
Springer
137views Cryptology» more  CTRSA 2008»
14 years 11 months ago
Beyond Secret Handshakes: Affiliation-Hiding Authenticated Key Exchange
Public key based authentication and key exchange protocols are not usually designed with privacy in mind and thus involve cleartext exchanges of identities and certificates before ...
Stanislaw Jarecki, Jihye Kim, Gene Tsudik