31 search results - page 4 / 7 » Direct Chosen-Ciphertext Secure Identity-Based Key Encapsula... |
CRYPTO
2006
Springer
15 years 1 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...
TYPES
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. Most approaches to the formal analysis of cryptography protocols make the perfect cryptographic assumption, which entails for example that there is no way to obtain knowl...
93
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SYNASC
2007
IEEE
15 years 4 months ago
2007
IEEE
A trapdoor based on an extension of the RSA trapdoor is proposed. The same function as in the RSA cryptosystem is used, i.e. x modn, but there is no restriction for the exponent t...
ACNS
2005
Springer
15 years 3 months ago
2005
Springer
This paper presents a first example of secure identity based encryption scheme (IBE) without redundancy in the sense of Phan and Pointcheval. This modification of the Boneh-Frank...
107
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PKC
2009
Springer
15 years 10 months ago
2009
Springer
ded abstract of this paper appears in PKC 2009, S. Jarecki, G. Tsudik (Eds.), volume 5443 of LNCS, pp. 357-376, Sringer-Verlag, 2009. CCA-Secure Proxy Re-Encryption without Pairing...