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ISW
2010
Springer
13 years 2 months ago
Cryptanalysis of the Convex Hull Click Human Identification Protocol
Recently a convex hull based human identification protocol was proposed by Sobrado and Birget, whose steps can be performed by humans without additional aid. The main part of the p...
Hassan Jameel Asghar, Shujun Li, Josef Pieprzyk, H...
ACNS
2010
Springer
133views Cryptology» more  ACNS 2010»
13 years 8 months ago
A New Human Identification Protocol and Coppersmith's Baby-Step Giant-Step Algorithm
Abstract. We propose a new protocol providing cryptographically secure authentication to unaided humans against passive adversaries. We also propose a new generic passive attack on...
Hassan Jameel Asghar, Josef Pieprzyk, Huaxiong Wan...