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EUROCRYPT
2004
Springer
14 years 1 months ago
2004
Springer
We describe a short signature scheme that is strongly existentially unforgeable under an adaptive chosen message attack in the standard security model. Our construction works in g...
CRYPTO
2003
Springer
14 years 1 months ago
2003
Springer
We describe a block-cipher mode of operation, CMC, that turns an n-bit block cipher into a tweakable enciphering scheme that acts on strings of mn bits, where m ≥ 2. When the und...
CHES
2007
Springer
14 years 2 months ago
2007
Springer
Contrarily to Kerckhoffs’ principle, many applications of today’s cryptography still adopt the security by obscurity paradigm. Furthermore, in order to rely on its proven or e...
CRYPTO
2005
Springer
14 years 1 months ago
2005
Springer
We present a constant-round protocol for general secure multiparty computation which makes a black-box use of a pseudorandom generator. In particular, the protocol does not requir...
HIP
2005
Springer
14 years 1 months ago
2005
Springer
Efforts to defend against automated attacks on e-commerce services have led to a new security protocol known as a CAPTCHA, a challenge designed to exploit gaps in the perceptual a...