منابع مشابه
Time Capsule Signature
We introduce a new cryptographic problem called time capsule signature. Time capsule signature is a ‘future signature’ that becomes valid from a specific future time t, when a trusted third party (called Time Server) publishes some trapdoor information associated with the time t. In addition, time capsule signature should satisfy the following properties: (1) If the signer wants, she can make h...
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In this paper we introduce a new approach of constructing time capsule signature. Our new construction captures the basic requirements defined by dodis et al., and it is also very straightforward and flexible. The time capsule signature provides an elegant way to produce a “future signature” that becomes valid from a specific future time t, when a trusted third party (called Time Server) publis...
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T he United States adult fi lm industry produces 4,000–11,000 fi lms and earns an estimated $9– $13 billion in gross revenues annually [1]. An estimated 200 production companies employ 1,200–1,500 performers [2]. Performers typically earn $400–$1,000 per shoot and are not compensated based on distribution or sales. Los Angeles County is the largest center for adult fi lm production worldwide. I...
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The size and shape of the U.S. health care workforce are in constant evolution. Using the metaphorical device of a time capsule, this essay examines the past and future of the workforce. It traces the growth, specialization, and diversification of health care workers during the twentieth century, emphasizing the particular expansion of the nonmedical aspects of the workforce. Looking ahead, the...
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ژورنال
عنوان ژورنال: Nature Climate Change
سال: 2009
ISSN: 1758-678X,1758-6798
DOI: 10.1038/climate.2009.14