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CRYPTO
2006
Springer
14 years 2 months ago
2006
Springer
We present an identity-based cryptosystem that features fully anonymous ciphertexts and hierarchical key delegation. We give a proof of security in the standard model, based on the...
CRYPTO
2003
Springer
14 years 4 months ago
2003
Springer
NTRUEncrypt is unusual among public-key cryptosystems in that, with standard parameters, validly generated ciphertexts can fail to decrypt. This affects the provable security prop...
EUROCRYPT
2011
Springer
13 years 2 months ago
2011
Springer
In this work, we present HIBE and ABE schemes which are “unbounded” in the sense that the public parameters do not impose additional limitations on the functionality of the sy...
PKC
2004
Springer
14 years 4 months ago
2004
Springer
Abstract. Bellare, Boldyreva, Desai, and Pointcheval [1] recently proposed a new security requirement of the encryption schemes called “keyprivacy.” It asks that the encryption...
EUROCRYPT
2006
Springer
14 years 2 months ago
2006
Springer
We present an Identity Based Encryption (IBE) system that is fully secure in the standard model and has several advantages over previous such systems