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Recently, the self-certified public key system, due to its advantages, has been paid a great deal of attention. Over the past years, many self-certified digital signature schemes have been proposed. However, to the best of our current knowledge, self-certified one-time short signature has not been investigated till now. Therefore, in this paper, we would like to propose an efficient self-certified one-time short signature scheme from bilinear pairing techniques. Because of its one-timeness and unforgeability, the proposed scheme can be suitable for the electronic cheque scenario. Moreover, the size of the proposed signature scheme is as short as 160 bits since it is based on the BLS short scheme, which shows that the proposed scheme has a great advantage while the bandwidth of a communication channel is limited.
Date of Conference: 26-28 Aug. 2009