1166 search results - page 176 / 234 » Adaptively Secure Broadcast |
137
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ACISP
2005
Springer
15 years 11 months ago
2005
Springer
Group signature schemes with membership revocation have been intensively researched. However, signing and/or verification of some existing schemes have computational costs of O(R)...
181
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ASIACRYPT
2005
Springer
15 years 11 months ago
2005
Springer
In this paper, we discuss non-interactive updating of decryption keys in identity-based encryption (IBE). IBE is a public key cryptosystem where a public key is an arbitrary strin...
176
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CHES
2005
Springer
15 years 11 months ago
2005
Springer
Embedded devices implementing cryptographic services are the result of a trade-off between cost, performance and security. Aside from flaws in the protocols and the algorithms us...
165
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ISPEC
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. Access control is a system-wide concern that has both a generic nature and an application dependent characteristic. It is generic as many functions must be protected with...
125
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ASIACRYPT
2004
Springer
15 years 11 months ago
2004
Springer
d abstract) Bartosz Przydatek1 and Reto Strobl2 1 Department of Computer Science, ETH Z¨urich, Switzerland 2 IBM Research, Zurich Research Laboratory, Switzerland In this paper, w...