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ACNS
2005
Springer
167views Cryptology» more  ACNS 2005»
15 years 12 months ago
Identity Based Encryption Without Redundancy
This paper presents a first example of secure identity based encryption scheme (IBE) without redundancy in the sense of Phan and Pointcheval. This modification of the Boneh-Frank...
Benoît Libert, Jean-Jacques Quisquater
HIP
2005
Springer
173views Cryptology» more  HIP 2005»
15 years 11 months ago
Characters or Faces: A User Study on Ease of Use for HIPs
Web-based services designed for human users are being abused by computer programs (bots). This real-world issue has recently generated a new research area called Human Interactive...
Yong Rui, Zicheng Liu, Shannon Kallin, Gavin Janke...
TCC
2005
Springer
139views Cryptology» more  TCC 2005»
15 years 11 months ago
The Relationship Between Password-Authenticated Key Exchange and Other Cryptographic Primitives
Abstract. We consider the problem of password-authenticated key exchange (PAK) also known as session-key generation using passwords: constructing session-key generation protocols t...
Minh-Huyen Nguyen
TCC
2005
Springer
108views Cryptology» more  TCC 2005»
15 years 11 months ago
Comparing Two Notions of Simulatability
In this work, relations between the security notions standard simulatability and universal simulatability for cryptographic protocols are investigated. A simulatability-based notio...
Dennis Hofheinz, Dominique Unruh
EUROCRYPT
2004
Springer
15 years 11 months ago
Projective Coordinates Leak
Denoting by P = [k]G the elliptic-curve double-and-add multiplication of a public base point G by a secret k, we show that allowing an adversary access to the projective representa...
David Naccache, Nigel P. Smart, Jacques Stern