326 search results - page 27 / 66 » Digital Signature Scheme Based on a New Hard Problem |
100
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DCC
2001
IEEE
15 years 11 months ago
2001
IEEE
We describe several cryptographic schemes in quadratic function fields of odd characteristic. In both the real and the imaginary representation of such a field, we present a Diffi...
105
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CCS
2008
ACM
15 years 1 months ago
2008
ACM
By functionally decomposing a specific algorithm (the hierarchical secure aggregation algorithm of Chan et al. [3] and Frikken et al. [7]), we uncover a useful general functionali...
ASIACRYPT
2005
Springer
15 years 5 months ago
2005
Springer
We introduce a new cryptographic primitive called the blind coupon mechanism (BCM). In effect, the BCM is an authenticated bit commitment scheme, which is AND-homomorphic. It has n...
ICDAR
2009
IEEE
15 years 6 months ago
2009
IEEE
Recognition and encoding of digitized historical documents is still a challenging and difficult task. A major problem is the occurrence of unknown glyphs and symbols which might n...
105
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PR
2007
14 years 11 months ago
2007
This article focusses on the problems of feature extraction and the recognition of handwritten digits. A trainable feature extractor based on the LeNet5 convolutional neural netwo...