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EUROCRYPT
2003
Springer
14 years 1 months ago
2003
Springer
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...
EUROCRYPT
2003
Springer
14 years 1 months ago
2003
Springer
Cryptographic computations are often carried out on insecure devices for which the threat of key exposure represents a serious concern. Forward security allows one to mitigate the...
EUROCRYPT
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. We propose a simple and efficient construction of a CCAsecure public-key encryption scheme from any CPA-secure identity-based encryption (IBE) scheme. Our construction re...
FSE
2004
Springer
14 years 1 months ago
2004
Springer
SecurID is a widely used hardware token for strengthening authentication in a corporate environment. Recently, Biryukov, Lano, and Preneel presented an attack on the alleged SecurI...
ACNS
2003
Springer
14 years 1 months ago
2003
Springer
A (t, n) threshold signature scheme allows t or more group members to generate signatures on behalf of a group with n members, while any t−1 or less members cannot do the same th...