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» On the Security Notions for Public-Key Encryption Schemes
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ITIIS
2010
200views more  ITIIS 2010»
13 years 2 months ago
New Techniques for Anonymous HIBE with Short Ciphertexts in Prime Order Groups
Anonymous hierarchical identity based encryption (HIBE) is an extension of identity based encryption (IBE) that can use an arbitrary string like an e-mail address for a public key...
Kwangsu Lee, Dong Hoon Lee
SP
1997
IEEE
139views Security Privacy» more  SP 1997»
13 years 11 months ago
Number Theoretic Attacks on Secure Password Schemes
Encrypted Key Exchange (EKE) [1, 2] allows two parties sharing a password to exchange authenticated information over an insecure network by using a combination of public and secre...
Sarvar Patel
IWDW
2009
Springer
14 years 2 months ago
A Homomorphic Method for Sharing Secret Images
In this paper, we present a new method for sharing images between two parties exploiting homomorphic property of public key cryptosystem. With our method, we show that it is possib...
Naveed Islam, William Puech, Robert Brouzet
ASIACRYPT
2004
Springer
14 years 1 months ago
Secret Handshakes from CA-Oblivious Encryption
Secret handshakes were recently introduced [BDS+ 03] to allow members of the same group to authenticate each other secretly, in the sense that someone who is not a group member ca...
Claude Castelluccia, Stanislaw Jarecki, Gene Tsudi...
ACNS
2005
Springer
167views Cryptology» more  ACNS 2005»
14 years 1 months ago
Identity Based Encryption Without Redundancy
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...
Benoît Libert, Jean-Jacques Quisquater