A dynamic asymmetric key agreement for broadcast encryption based on braid groups
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2012
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eng
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83 leaves
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b176348
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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National Institute of Development Administration. Library and Information Center
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Norranut Saguansakdiyotin (2012). A dynamic asymmetric key agreement for broadcast encryption based on braid groups. Retrieved from: http://repository.nida.ac.th/handle/662723737/733.
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A dynamic asymmetric key agreement for broadcast encryption based on braid groups
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Abstract
Broadcast encryption is the scheme that a sender encrypts messages for a
designated group of receivers, and sends the ciphertexts by broadcasting over the
networks. Many research papers have done it using elliptic curve cryptosystem. This
research proposes a dynamic asymmetric key agreement protocols for the broadcast
encryption which is based on braid groups cryptosystem, an alternative method in the
public key cryptography in which it can reduce the computational cost. The proposed
scheme is also used the concept of an identity-based cryptosystem in order to reduce a
system complexity and cost for establishing and managing a public key authentication
framework. The scheme has some advantages over the other scheme in that the
proposed scheme does not require a center for group key management, thus it is
suitable for dynamic networks like mobile ad hoc networks in which group members
can be dynamically changed all the time. The scheme also has a low computation cost
in encryption and decryption processes and it makes a constant ciphertext
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Thesis (Ph.D. (Computer Science))--National Institute of Development Administration