Sciweavers

36 search results - page 7 / 8
» Halftone visual cryptography
Sort
View
ESORICS
2003
Springer
14 years 1 months ago
Rapid Mixing and Security of Chaum's Visual Electronic Voting
Recently, David Chaum proposed an electronic voting scheme that combines visual cryptography and digital processing. It was designed to meet not only mathematical security standard...
Marcin Gomulkiewicz, Marek Klonowski, Miroslaw Kut...
WCE
2007
13 years 9 months ago
A VC-Based Copyright Protection Scheme for Digital Images of Multi-Authorship
—Digital watermarking is a technique for protecting intellectual property of digital information. However, when a work is created by multiple authors, digital watermarking may su...
Shu-Fen Tu, Ching-Sheng Hsu
HIP
2005
Springer
208views Cryptology» more  HIP 2005»
14 years 2 months ago
Phish and HIPs: Human Interactive Proofs to Detect Phishing Attacks
In this paper, we propose a new class of Human Interactive Proofs (HIPs) that allow a human to distinguish one computer from another. Unlike traditional HIPs, where the computer is...
Rachna Dhamija, J. D. Tygar
ACNS
2009
Springer
142views Cryptology» more  ACNS 2009»
14 years 3 months ago
Secure Pairing of "Interface-Constrained" Devices Resistant against Rushing User Behavior
Abstract. “Secure Device Pairing” is the process of bootstrapping secure communication between two devices over a short- or medium-range wireless channel (such as Bluetooth, Wi...
Nitesh Saxena, Md. Borhan Uddin
HIP
2005
Springer
172views Cryptology» more  HIP 2005»
14 years 2 months ago
Building Segmentation Based Human-Friendly Human Interaction Proofs (HIPs)
Human interaction proofs (HIPs) have become common place on the internet due to their effectiveness in deterring automated abuse of online services intended for humans. However, th...
Kumar Chellapilla, Kevin Larson, Patrice Y. Simard...