An opportunistic network routing method and system based on encrypted fuzzy keywords
A keyword and routing technology, applied in the field of information science, can solve problems such as reducing user interaction in opportunistic networks, lack of clear goals, and obtaining routing information, and achieves the effect of tolerating intermittent connections, protecting user privacy, and improving diffusion rates.
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[0043] figure 1 It is a flowchart of an opportunistic network routing method based on encrypted fuzzy keywords in the present invention. Such as figure 1 As shown, the method includes:
[0044] Step 1, the subscribing node submits the subscription interest keyword set of opportunistic network content to a trusted third party, and the trusted third party first calculates the fuzzy set corresponding to each interest keyword in the subscription interest keyword set, and then according to The fuzzy set is calculated to obtain a trapdoor set, and the trapdoor set is returned to the subscribing node;
[0045] Step 2, the subscribing node uses the trapdoor set as the routing information of the message, uses the routing information and the identity of the subscribing node to form a subscription interest packet, and then sends the subscription interest packet and similarity to its All forwarding nodes connected;
[0046] Step 3, using the trusted third party to calculate the search...
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