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» Practical Security in Public-Key Cryptography
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ITCC
2005
IEEE
15 years 3 months ago
A Framework for Key Management in Mobile Ad Hoc Networks
Background: Key management in a mobile ad hoc environment is complicated by frequently partitioning network topology. Recently proposed key management systems (KMSs) provide limit...
George C. Hadjichristofi, William Joseph Adams, Na...
WS
2003
ACM
15 years 2 months ago
An authentication framework for hierarchical ad hoc sensor networks
Recent results indicate scalability problems for flat ad hoc networks. To address the issue of scalability, self-organizing hierarchical ad hoc architectures are being investigat...
Mathias Bohge, Wade Trappe
CTRSA
2010
Springer
191views Cryptology» more  CTRSA 2010»
15 years 29 days ago
Making the Diffie-Hellman Protocol Identity-Based
This paper presents a new identity based key agreement protocol. In id-based cryptography (introduced by Adi Shamir in [33]) each party uses its own identity as public key and rece...
Dario Fiore, Rosario Gennaro
88
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EUROCRYPT
2003
Springer
15 years 2 months ago
CAPTCHA: Using Hard AI Problems for Security
We introduce captcha, an automated test that humans can pass, but current computer programs can’t pass: any program that has high success over a captcha can be used to solve an u...
Luis von Ahn, Manuel Blum, Nicholas J. Hopper, Joh...
CISC
2009
Springer
199views Cryptology» more  CISC 2009»
14 years 7 months ago
Cryptanalysis of Certificateless Signcryption Schemes and an Efficient Construction without Pairing
Abstract. Certificateless cryptography introduced by Al-Riyami and Paterson eliminates the key escrow problem inherent in identity based cryptosystems. Even though building practic...
S. Sharmila Deva Selvi, S. Sree Vivek, C. Pandu Ra...