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Title |
Broadcast Encryption Based on Braid Groups |
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Author |
Norranut Saguansakdiyotin, Pipat Hiranvanichakorn |
| Citation |
Vol. 12 No. 2 pp. 12-19 |
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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 broadcast over the networks. Many research papers have done it using elliptic curve cryptography. In this paper, we propose the broadcast encryption scheme based on braid groups cryptography which is an alternative method in the public key cryptography and can reduce the computational cost. Our scheme has some advantages over the scheme using symmetric group key in that the sender can be someone inside or outside the group and it gets rid of the problem in distributing a secret key. |
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Keywords |
Broadcast encryption, Braid groups, Asymmetric group key agreement |
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