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» On the Security of ElGamal Based Encryption
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INDOCRYPT
2003
Springer
14 years 28 days ago
Practical Mental Poker Without a TTP Based on Homomorphic Encryption
A solution for obtaining impartial random values in on-line gambling is presented in this paper. Unlike most previous proposals, our method does not require any TTP and allows e-ga...
Jordi Castellà-Roca, Josep Domingo-Ferrer, ...
DBSEC
2007
116views Database» more  DBSEC 2007»
13 years 9 months ago
Provably-Secure Schemes for Basic Query Support in Outsourced Databases
In this paper, we take a closer look at the security of outsourced databases (aka Database-as-the-Service or DAS), a topic of emerging importance. DAS allows users to store sensit...
Georgios Amanatidis, Alexandra Boldyreva, Adam O'N...
IJNSEC
2007
110views more  IJNSEC 2007»
13 years 7 months ago
A Light Weight Enhancement to RC4 Based Security for Resource Constrained Wireless Devices
The Wired Equivalent Privacy (WEP) uses the 64 bit RC4 secret key stream cipher as its layer 2 security protocol. Although the underlying RC4 cipher is secure, the potential reuse...
Chetan Nanjunda Mathur, K. P. Subbalakshmi
CRYPTO
2000
Springer
136views Cryptology» more  CRYPTO 2000»
14 years 2 days ago
Long-Lived Broadcast Encryption
In a broadcast encryption scheme, digital content is encrypted to ensure that only privileged users can recover the content from the encrypted broadcast. Key material is usually he...
Juan A. Garay, Jessica Staddon, Avishai Wool
ACNS
2007
Springer
165views Cryptology» more  ACNS 2007»
14 years 1 months ago
Tweaking TBE/IBE to PKE Transforms with Chameleon Hash Functions
We present two transforms to acquire chosen ciphertext security from tag based techniques. The first one requires the separability of underlying primitives. By separability, info...
Rui Zhang 0002