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124
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INFORMATICALT
2010
15 years 19 days ago
2010
A Group-Oriented Cryptosystem (GOC) allows a sender to encrypt a message sent to a group of users so only the specified sets of users in that group can cooperatively decrypt the me...
142
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SEC
2001
15 years 4 months ago
2001
Abstract Traditionally, research in secure group key agreement focuses on minimizing the computational overhead for cryptographic operations, and minimizing the communication overh...
97
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VR
2002
IEEE
15 years 8 months ago
2002
IEEE
In this paper, we describe simple techniques for object group manipulation, an important operation in user interaction with a Virtual Environment. All presented manipulation techn...
170
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ASIACRYPT
2004
Springer
15 years 7 months ago
2004
Springer
Group signature schemes are cryptographic systems that provide revocable anonymity for signers. We propose a group signature scheme with constant-size public key and signature leng...
123
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JCM
2008
15 years 3 months ago
2008
Abstract-- Secure group key distribution and efficient rekeying is one of the most challenging security issues in sensor networks at present. In this paper, Latin square is firstly...