2237 search results - page 302 / 448 » On the Security of Random Sources |
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ICALP
2005
Springer
15 years 10 months ago
2005
Springer
Abstract An encryption scheme is non-malleable if the adversary cannot transform a ciphertext into one of a related message under the given public key. Although providing a very st...
124
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MMMACNS
2005
Springer
15 years 10 months ago
2005
Springer
Abstract. This paper presents a method to generate unique and nevertheless highly random pseudonyms in a distributed environment. More precisely, each user can now generate his pse...
106
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CRYPTO
2004
Springer
15 years 10 months ago
2004
Springer
A timestamping scheme is non-interactive if a stamper can stamp a document without communicating with any other player. The only communication done is at validation time. Non-Inte...
153
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ESORICS
2004
Springer
15 years 10 months ago
2004
Springer
We present and analyze portable access control mechanisms for large data repositories, in that the customized access policies are stored on a portable device (e.g., a smart card). ...
137
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EUROCRYPT
2004
Springer
15 years 10 months ago
2004
Springer
We introduce the concept of concurrent signatures. These allow two entities to produce two signatures in such a way that, from the point of view of any third party, both signatures...