منابع مشابه
Are family practice trainers and their host practices any better? comparing practice trainers and non-trainers and their practices
BACKGROUND Family Physician (FP) trainees are expected to be provided with high quality training in well organized practice settings. This study examines differences between FP trainers and non-trainers and their practices to see whether there are differences in trainers and non-trainers and in how their practices are organized and their services are delivered. METHOD 203 practices (88 non-tr...
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Designated verifier signatures were introduced in the middle of the 90’s by Jakobsson, Sako and Impagliazzo, and independenty patended by Chaum as private signatures. In this setting, a signature can only be verified by a unique and specific user. At Crypto’03, Desmedt suggested the problem of generalizing the designated verifier signatures. In this case, a signature should be intended to a spe...
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Motivated by privacy issues associated with dissemination of signed digital certificates, we definea new type of signature scheme called a ‘Universal Designated-Verifier Signature’ (UDVS). A UDVSscheme can function as a standard publicly-verifiable digital signature but has additional functional-ity which allows any holder of a signature (not necessarily the signer) to designate the...
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Last Time: Simulation Sound NIZKS & Connection to CCA Security. Last time we introduced Simulation-Sound NIZKs, and constructed a 1-Time Simulation Sound NIZK (1-SS NIZK). We then showed how to get CCA secure encryption from CPA encryption and NIZKs in one of two ways: using standard NIZK and n copies of a CPA encryption scheme ([DDN00]) or using 1-SS NIZK and 2 copies of a CPA encryption schem...
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Public Health Wales runs a successful brief intervention training programme. Over 3000 people have been trained to deliver alcohol brief interventions across Wales by the small (2 man) central Public Health Wales alcohol team. However, the team cannot keep up with demand from the 7 Welsh Health Boards to receive training. In order to address this, a train-the-trainers course has been developed,...
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ژورنال
عنوان ژورنال: Postgraduate Medical Journal
سال: 1987
ISSN: 0032-5473
DOI: 10.1136/pgmj.63.742.711