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AAECC
2006
Springer
132views Algorithms» more  AAECC 2006»
15 years 5 months ago
The Conjugacy Search Problem in Public Key Cryptography: Unnecessary and Insufficient
The conjugacy search problem in a group G is the problem of recovering an x G from given g G and h = x-1 gx. This problem is in the core of several recently suggested public key ...
Vladimir Shpilrain, Alexander Ushakov
EUROCRYPT
2004
Springer
15 years 10 months ago
Public-Key Steganography
Informally, a public-key steganography protocol allows two parties, who have never met or exchanged a secret, to send hidden messages over a public channel so that an adversary can...
Luis von Ahn, Nicholas J. Hopper
ENTCS
2006
145views more  ENTCS 2006»
15 years 5 months ago
Real-or-random Key Secrecy of the Otway-Rees Protocol via a Symbolic Security Proof
We present the first cryptographically sound security proof of the well-known Otway-Rees protocol. More precisely, we show that the protocol is secure against arbitrary active att...
Michael Backes
ACNS
2005
Springer
97views Cryptology» more  ACNS 2005»
15 years 10 months ago
Thompson's Group and Public Key Cryptography
Recently, several public key exchange protocols based on symbolic computation in non-commutative (semi)groups were proposed as a more efficient alternative to well established prot...
Vladimir Shpilrain, Alexander Ushakov
NDSS
2002
IEEE
15 years 10 months ago
Talking to Strangers: Authentication in Ad-Hoc Wireless Networks
In this paper we address the problem of secure communication and authentication in ad-hoc wireless networks. This is a difficult problem, as it involves bootstrapping trust betwe...
Dirk Balfanz, Diana K. Smetters, Paul Stewart, H. ...