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CSFW
2004
IEEE
13 years 11 months ago
Symmetric Encryption in a Simulatable Dolev-Yao Style Cryptographic Library
Recently we showed how to justify a Dolev-Yao type model of cryptography as used in virtually all automated protocol provers under active attacks and in arbitrary protocol environ...
Michael Backes, Birgit Pfitzmann
ESORICS
2006
Springer
13 years 11 months ago
Privacy-Preserving Queries on Encrypted Data
Data confidentiality is a major concern in database systems. Encryption is a useful tool for protecting the confidentiality of sensitive data. However, when data is encrypted, perf...
Zhiqiang Yang, Sheng Zhong, Rebecca N. Wright
ESORICS
2003
Springer
14 years 24 days ago
Symmetric Authentication within a Simulatable Cryptographic Library
Abstract. Proofs of security protocols typically employ simple abstractions of cryptographic operations, so that large parts of such proofs pendent of cryptographic details. The ty...
Michael Backes, Birgit Pfitzmann, Michael Waidner
PKC
2004
Springer
146views Cryptology» more  PKC 2004»
14 years 28 days ago
Constructing Committed Signatures from Strong-RSA Assumption in the Standard Complexity Model
Abstract. In this paper, we provide the first committed signature provably secure in the standard complexity model based on the strong RSA assumption. The idea behind the construc...
Huafei Zhu
EUROCRYPT
2001
Springer
14 years 2 days ago
Cryptanalysis of Reduced-Round MISTY
Abstract. The block ciphers MISTY1 and MISTY2 proposed by Matsui are based on the principle of provable security against differential and linear cryptanalysis. This paper presents...
Ulrich Kühn