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181
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TRUSTBUS
2007
Springer
16 years 26 days ago
2007
Springer
Usage control governs the handling of sensitive data after it has been given away. The enforcement of usage control requirements is a challenge because the service requester in gen...
202
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ASIACRYPT
2005
Springer
16 years 9 days ago
2005
Springer
Abstract. This paper reconsiders the established Merkle-Damg˚ard design principle for iterated hash functions. The internal state size w of an iterated n-bit hash function is trea...
189
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CRYPTO
2005
Springer
16 years 9 days ago
2005
Springer
We present a constant-round protocol for general secure multiparty computation which makes a black-box use of a pseudorandom generator. In particular, the protocol does not requir...
187
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INDOCRYPT
2005
Springer
16 years 8 days ago
2005
Springer
In this paper we design several double length hash functions and study their security properties in the random oracle model. We design a class of double length hash functions (and ...
170
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ICCSA
2004
Springer
16 years 4 days ago
2004
Springer
Abstract. It is desirable to generate a digital signature using biometrics but not practicable because of its inaccurate measuring and potential hill-climbing attacks, without usin...