The time capsule
نویسندگان
چکیده
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...
متن کاملA New Construction of Time Capsule Signature
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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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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Background: Migraine is a common neurobiological disorder and various methods have been proposed for its treatment, including herbal remedies. Sodae is an herbal capsule produced and marketed by “Booali Daroo” Pharmaceutical Company, based on Iran's traditional medicine, in compliance with the instructions of the Food and Drug Administration of Iran and with a license issued by this administrat...
متن کاملTime Capsule Signature: Efficient and Provably Secure Constructions
Time Capsule Signature, first formalized by Dodis and Yum in Financial Cryptography 2005, is a digital signature scheme which allows a signature to bear a (future) time t so that the signature will only be valid at time t or later, when a trusted third party called time server releases time-dependent information for checking the validity of a time capsule signature. Also, the actual signer of a...
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ژورنال
عنوان ژورنال: Catheterization and Cardiovascular Interventions
سال: 2004
ISSN: 1522-1946,1522-726X
DOI: 10.1002/ccd.20019