Assume that an adversary observes many ciphertexts, and may then ask for openings, i.e. the plaintext and the randomness used for encryption, of some of them. Do the unopened ciphertexts remain secure? There are several ways to formalize this question, and the ensuing security notions are not known to be implied by standard notions of encryption security. In this work, we relate the two existin...

investigating and ranking the stressor factors on employees’ job performance in urmia university of medical sciences staff heidarisani m , vahedi m , rahimi gh , rahimi b * received: 25 aug , 2013 accepted: 28 oct , 2013 abstract background & aims: stress and its effect is a significant problem in all organizations therefore employees and even human are living with it in recent decade. the purp...

All countries of the world are faced with a substantial number of major challenges. Among them are the provision for their inhabitants of good health, adequate education, opportunities for advancement, adequate housing, employment, sufficient income to meet material needs, a sense of personal security within the law, and a sense of security as a nation. While individual countries may disagree a...

extended abstract 1. introduction tourism development is considered as one of the most important guidelines of planning, through which the rapid growth of tourism industry in the world, planning for its development, and keeping up with the streams of planning for tourism development are necessitated. one of the goals of tourism is to provide comfort, security, and tranquility for the tourists w...

INTRODUCTION The Swedish national guidelines for elderly care describe how older persons should be able to trust that their care is permeated with security. Different theoretical perspectives can be found that describe what creates security. Many studies have been done about security. However, few studies have explicitly asked older persons what security in nursing homes means to them. AIM Th...

Managers rarely have deep knowledge of cyber security and yet are expected to make decisions with implications for software-based systems. We investigate the decision-making conversations seven teams senior managers from same organisation as they complete Decisions & Disruptions exercise. use grounded theory situate our analysis their help us explore how these complex socio-cognitive intera...