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TCC
2009
Springer
177views Cryptology» more  TCC 2009»
14 years 8 months ago
Composability and On-Line Deniability of Authentication
Abstract. Protocols for deniable authentication achieve seemingly paradoxical guarantees: upon completion of the protocol the receiver is convinced that the sender authenticated th...
Yevgeniy Dodis, Jonathan Katz, Adam Smith, Shabsi ...
PKC
2009
Springer
240views Cryptology» more  PKC 2009»
14 years 8 months ago
Distributed Public-Key Cryptography from Weak Secrets
Abstract.We introduce the notion of distributed password-based publickey cryptography, where a virtual high-entropy private key is implicitly dened as a concatenation of low-entrop...
Céline Chevalier, David Pointcheval, Michel...
PKC
2009
Springer
131views Cryptology» more  PKC 2009»
14 years 8 months ago
Towards Black-Box Accountable Authority IBE with Short Ciphertexts and Private Keys
At Crypto'07, Goyal introduced the concept of Accountable Authority Identity-Based Encryption as a convenient tool to reduce the amount of trust in authorities in Identity-Bas...
Benoît Libert, Damien Vergnaud
TCC
2010
Springer
231views Cryptology» more  TCC 2010»
14 years 4 months ago
A Domain Extender for the Ideal Cipher
We describe the first domain extender for ideal ciphers, i.e. we show a construction that is indifferentiable from a 2n-bit ideal cipher, given a n-bit ideal cipher. Our construc...
Jean-Sébastien Coron, Yevgeniy Dodis, Avrad...
FC
2009
Springer
112views Cryptology» more  FC 2009»
14 years 2 months ago
Data Hemorrhages in the Health-Care Sector
Confidential data hemorrhaging from health-care providers pose financial risks to firms and medical risks to patients. We examine the consequences of data hemorrhages including pri...
M. Eric Johnson