270 search results - page 36 / 54 » Practical forward secure group signature schemes |
104
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CIS
2007
Springer
15 years 6 months ago
2007
Springer
— Privacy is the claim of individuals, groups and institutions to determine for themselves, when, how and to what extent information about them is communicated to others. How to ...
112
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FC
2006
Springer
15 years 3 months ago
2006
Springer
In this paper, we present two failures in the blind signatures based voting system Votopia [2] which has been tested during the last World Soccer Cup. We then propose a fix which r...
100
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CCS
2007
ACM
15 years 6 months ago
2007
ACM
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
ICALP
2005
Springer
15 years 5 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...
109
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CRYPTOLOGIA
2006
14 years 11 months ago
2006
In this paper, we describe Whirlpool, which is a block-cipher-based secure hash function. Whirlpool produces a hash code of 512 bits for an input message of maximum length less tha...