4529 search results - page 397 / 906 » Position Based Cryptography |
204
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GI
2004
Springer
16 years 4 days ago
2004
Springer
: Next to authentication, secure key exchange is considered the most critical and complex issue regarding ad-hoc network security. We present a low-cost, (i.e. low hardware-complex...
189
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PKC
2004
Springer
16 years 3 days ago
2004
Springer
In a practical system, a message is often encrypted more than once by different encryptions, here called multiple encryption, to enhance its security. Additionally, new features ...
211
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ASIACRYPT
2003
Springer
15 years 12 months ago
2003
Springer
Abstract. ESIGN is an efficient signature scheme that has been proposed in the early nineties (see [14]). Recently, an effort was made to lay ESIGN on firm foundations, using the...
166
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FOCS
2002
IEEE
15 years 11 months ago
2002
IEEE
Randomization is vital in cryptography: secret keys should be randomly generated and most cryptographic primitives (e.g., encryption) must be probabilistic. As a bstraction, it is...
195
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ICALP
2010
Springer
15 years 11 months ago
2010
Springer
Knowledge extraction is a fundamental notion, modeling machine possession of values (witnesses) in a computational complexity sense and enabling one to argue about the internal st...