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In 2005, Wang et al. proposed a forward secure proxy signature scheme, they claimed that an adversary could not forge the former proxy signature even if proxy signerpsilas current secret key is lost. However, Zhang et al. pointed out that their scheme is insecure and doesnpsilat satisfy the forward security. Furthermore, Zhang et al. presented a(More)
It is necessary that forecasting the opponent's behavior effectively and exactly and then adopting corresponding strategies for MAS under dynamic environments to win in a competition. This paper brings forwards a new method of opponent's behavior forecast and realizes the multi-agent cooperation using this method. Finally, it is proved that the method is(More)
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