4529 search results - page 19 / 906 » Position Based Cryptography |
121
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STOC
2005
ACM
16 years 3 days ago
2005
ACM
Our main result is a reduction from worst-case lattice problems such as GAPSVP and SIVP to a certain learning problem. This learning problem is a natural extension of the `learnin...
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...
101
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CIS
2007
Springer
15 years 6 months ago
2007
Springer
The session initiation protocol (SIP) is considered as the dominant signaling protocol for calls over the internet. However, SIP authentication typically uses HTTP digest authentic...
105
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INFORMATICALT
2010
14 years 9 months ago
2010
A proxy signature scheme enables an original signer to delegate its signing capability to a proxy signer and then the proxy signer can sign a message on behalf of the original sign...
ARC
2009
Springer
15 years 6 months ago
2009
Springer
Abstract. In this paper, we present CCProc, a flexible cryptography coprocessor for symmetric-key algorithms. Based on an extensive analysis of many symmetric-key ciphers, includi...