490 search results - page 38 / 98 » A New Public-Key Cryptosystem |
142
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CCS
2008
ACM
15 years 6 months ago
2008
ACM
The Unified Model (UM) key agreement protocol is an efficient Diffie-Hellman scheme that has been included in many cryptographic standards, most recently in the NIST SP 80056A sta...
128
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ACSAC
2000
IEEE
15 years 8 months ago
2000
IEEE
It is well-known that CA plays the central role in PKI. In this paper we introduce a new component into PKI, DA (decryption authority), which decrypts important and sensitive mess...
160
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ASIACRYPT
2005
Springer
15 years 9 months ago
2005
Springer
In this paper, we discuss non-interactive updating of decryption keys in identity-based encryption (IBE). IBE is a public key cryptosystem where a public key is an arbitrary strin...
136
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EUROCRYPT
2000
Springer
15 years 7 months ago
2000
Springer
Cryptography is more and more concerned with elaborate protocols involving many participants. In some cases, it is crucial to be sure that players behave fairly especially when the...
116
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PKC
2005
Springer
15 years 9 months ago
2005
Springer
Abstract. We define and discuss symmetric subgroup membership problems and their properties, including a relation to the Decision DiffieHellman problem. We modify the Cramer-Shoup...