Denial of Service (DoS) attacks are serious threats for network societies. For dealing with DoS attacks, Jakobsson and Juels first proposed the notion of useful client puzzles (UC...
Despite the rapid adoption of Voice over IP (VoIP), its security implications are not yet fully understood. Since VoIP calls may traverse untrusted networks, packets should be enc...
Charles V. Wright, Lucas Ballard, Scott E. Coull, ...
We consider a novel security requirement of encryption schemes that we call “key-privacy” or “anonymity”. It asks that an eavesdropper in possession of a ciphertext not be ...
Mihir Bellare, Alexandra Boldyreva, Anand Desai, D...
ded abstract of this paper appears in Advances in Cryptology { Crypto 98 Proceedings, Lecture Notes in Computer Science Vol. 1462, H. Krawczyk ed., Springer-Verlag, 1998. This is t...
Mihir Bellare, Anand Desai, David Pointcheval, Phi...
In this work we re-visit the question of building cryptographic primitives that remain secure even when queried on inputs that depend on the secret key. This was investigated by B...