2967 search results - page 440 / 594 » Cryptology |
137
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PKC
2005
Springer
15 years 11 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...
155
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PKC
2005
Springer
15 years 11 months ago
2005
Springer
We answer the open question of the possibility of building a digital signature scheme with proven security based on the one-wayness of a trapdoor permutation and with signatures as...
162
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PKC
2005
Springer
15 years 11 months ago
2005
Springer
RSA-KEM is a popular key encapsulation mechanism that combines the RSA trapdoor permutation with a key derivation function (KDF). Often the details of the KDF are viewed as orthogo...
163
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PKC
2005
Springer
15 years 11 months ago
2005
Springer
In this paper, we present the cryptanalysis of a public key scheme based on a system of multivariate polynomial equations, the ”tractable rational map” cryptosystem. We show co...
141
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PKC
2005
Springer
15 years 11 months ago
2005
Springer
In this paper, we first introduce a new kind of adversarial goal called forge-and-impersonate in undeniable signature schemes. Note that forgeability does not necessarily imply im...