2601 search results - page 179 / 521 » Secure Rewarding Schemes |
111
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ACSAC
2000
IEEE
15 years 7 months ago
2000
IEEE
Digital signature schemes are based on the assumption that the signing key is kept in secret. Ensuring that this assumption holds is one of the most crucial problems for all curre...
137
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ASIACRYPT
2000
Springer
15 years 7 months ago
2000
Springer
Assuming a cryptographically strong cyclic group G of prime order q and a random hash function H, we show that ElGamal encryption with an added Schnorr signature is secure against ...
123
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IJNSEC
2006
15 years 3 months ago
2006
The cryptosystem proposed by Koyama is not semantically secure. Also, it is not secure against partial known plaintext attack, linearly related plaintext attack and low exponent a...
118
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IJNSEC
2008
15 years 3 months ago
2008
The notion of strong designated verifier signature was put forth by Jakobsson, Sako and Impagliazzo in 1996, but the formal definition was defined recently by Saeednia, Kremer and...
121
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IJNSEC
2006
15 years 3 months ago
2006
It has always been a critical issue to find efficient methods for fast revocation of a user's identity in identity (ID)based cryptosystems. Unfortunately, none of the previou...