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PODC
2003
ACM
15 years 4 months ago
Scalable public-key tracing and revoking
Traitor Tracing Schemes constitute a very useful tool against piracy in the context of digital content broadcast. In such multi-recipient encryption schemes, each decryption key is...
Yevgeniy Dodis, Nelly Fazio, Aggelos Kiayias, Moti...
CSFW
2007
IEEE
15 years 6 months ago
Security Analysis of Voice-over-IP Protocols
The transmission of voice communications as datagram packets over IP networks, commonly known as Voice-overIP (VoIP) telephony, is rapidly gaining wide acceptance. With private ph...
Prateek Gupta, Vitaly Shmatikov
116
Voted
WPES
2006
ACM
15 years 5 months ago
Nonesuch: a mix network with sender unobservability
Oblivious submission to anonymity systems is a process by which a message may be submitted in such a way that neither the anonymity network nor a global passive adversary may dete...
Thomas S. Heydt-Benjamin, Andrei Serjantov, Beness...
FC
1997
Springer
86views Cryptology» more  FC 1997»
15 years 3 months ago
The SPEED Cipher
Abstract. SPEED is a private key block cipher. It supports three variable parameters: (1) data length — the length of a plaintext/ciphertext of SPEED can be 64, 128 or 256 bits. ...
Yuliang Zheng
92
Voted
STOC
2005
ACM
93views Algorithms» more  STOC 2005»
15 years 12 months ago
Representing hard lattices with O(n log n) bits
We present a variant of the Ajtai-Dwork public-key cryptosystem where the size of the public-key is only O(n log n) bits and the encrypted text/clear text ratio is also O(n log n)...
Miklós Ajtai