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ASIACRYPT
2004
Springer
14 years 1 months ago
Constant-Round Authenticated Group Key Exchange for Dynamic Groups
Abstract. An authenticated group key exchange (AGKE) scheme allows a group of users in a public network to share a session key which may later be used to achieve desirable cryptogr...
Hyun-Jeong Kim, Su-Mi Lee, Dong Hoon Lee
CRYPTO
2003
Springer
187views Cryptology» more  CRYPTO 2003»
14 years 1 months ago
On Constructing Locally Computable Extractors and Cryptosystems in the Bounded Storage Model
We consider the problem of constructing randomness extractors that are locally computable; that is, read only a small number of bits from their input. As recently shown by Lu (thi...
Salil P. Vadhan
ACNS
2010
Springer
154views Cryptology» more  ACNS 2010»
14 years 1 months ago
Shrinking the Keys of Discrete-Log-Type Lossy Trapdoor Functions
To this day, realizations in the standard-model of (lossy) trapdoor functions from discrete-log-type assumptions require large public key sizes, e.g., about Θ(λ2 ) group elements...
Xavier Boyen, Brent Waters
FSE
2010
Springer
144views Cryptology» more  FSE 2010»
14 years 1 months ago
Pseudo-cryptanalysis of the Original Blue Midnight Wish
The hash function Blue Midnight Wish (BMW) is a candidate in the SHA-3 competition organised by the U.S. National Institute of Standards and Technology (NIST). BMW was selected fo...
Søren S. Thomsen
ASIACRYPT
2001
Springer
14 years 21 days ago
Key-Privacy in Public-Key Encryption
We consider a novel security requirement of encryption schemes that we call “key-privacy” or “anonymity”. It asks that an eavesdropper in possession of a ciphertext not be ...
Mihir Bellare, Alexandra Boldyreva, Anand Desai, D...