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We describe a new scalar multiplication method for hyperelliptic curve cryptosystems. The method is obtained by the decomposition of the divisor into the simple divisors. The comparison results show that our method is much more efficient than Frobenius method and Double-and-Add method for some special hyperelliptic curves.
Transmission security of media data in video conference system has been a challenging task, since those data are high volume and latency sensitive. Partial encryption and other media encryption schemes are effective approaches to encrypt those data. However, a partial disclosure of media data can leak the secret about the conference, moreover when wireless terminals joint in those systems, the limited...
Since media data in streaming media system are high volume and latency sensitive, transmission security of them have been a challenge task. To solve the problem, partial encryption and other media encryption schemes have been proposed. However those schemes are tradeoffs between security and efficiency. In a multi-stream system, using one media encryption scheme to protect all the media streams will...
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