Anshul Singhal

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We analyze two recent key agreement protocols designed to provide access control in wireless networks. Both protocols are intended to be resistant to denial-of-service attacks. We identify computation DoS attacks against the protocols and model one of the attacks using a cost-based framework proposed by Meadows. We also identify several other security flaws(More)
Persons with blindness access computers with the help of refreshable Braille displays and speech synthesis softwares. Braille has distinguished advantages over synthetic speech, especially because of its important role in uplifting education, employment and income. However, commercially available Braille displays are typically priced in the range of(More)
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