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The existing proxy re-signature schemes are mostly constructed in traditional cryptosystems or identity-based cryptosystems. The former has the problem of complexity certificate management and overhead signature verification time, while the latter has the problem of key escrow security. A proxy re-signature scheme without certificates is proposed. The scheme is proved to be existentially unforgeable...
The Game of the Amazons is a two-player abstract territory game. It has attracted attention in game research because of its simple rules and its complexity of play. A number of Amazons-playing programs have emerged in recent years. Different search algorithms are used in Amazons programs. Minimax is one of the most commonly used Amazons search algorithms. It is usually optimized with augmentations,...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.