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ISW
2004
Springer
13 years 10 months ago
2004
Springer
ISW
2004
Springer
13 years 10 months ago
2004
Springer
CAPTCHAs are tests that distinguish humans from software robots in an online environment [3, 14, 7]. We propose and implement three CAPTCHAs based on naming images, distinguishing ...
ISW
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
ISW
2004
Springer
13 years 10 months ago
2004
Springer
We study the security challenges faced by the mobile agent paradigm, where code travels and performs computations on remote hosts in an autonomous manner. We define universally co...
ISW
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Code obfuscations are semantics-preserving code transformations used to protect a program from reverse engineering. There is generally no expectation of complete, long-te...