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During these years, the research field of certificateless signature (CLS) scheme is promptly investigated as the key escrow problem in identity-based cryptography can be solved via CLS concept. However, due to the bandwidth limitation of mobile communication and the resource-constraint property of handheld mobile devices, most CLS schemes cannot fulfill the(More)
  • FaultInjection ToolTimothy, K. Tsai
  • 2005
This paper describes FTAPE (Fault Tolerance And Performance Eval-uator), a tool that can be used to compare fault-tolerant computers. The major parts of the tool include a system-wide fault injector, a workload generator, and a workload activity measurement tool. The workload creates high stress conditions on the machine. Using stress-based injection, the(More)
During these years, the research field of certificateless signature (CLS) scheme without bilinear pairings is promptly investigated as the key escrow problem in identity-based cryptography can be solved via this concept. In this paper, we demonstrate that a certificateless signature scheme proposed by Gong and Li cannot fulfil its security claims. The(More)
We propose a new secret key traitor tracing scheme using bilinear maps, in which the size of the enabling-block in a broadcast message is independent of the number of subscribers. The proposed traitor tracing scheme can identify malicious subscribers (also called traitors) from a pirate decoder, which is collusively made by k or fewer traitors. Further, any(More)