one of the most important sources of imamiyyah jurisprudence is the tradition in the form of reliable report. and a significant part of it, refers to external threads, but the renowned osuli's jurisprudents take the view that the scope of the reliable authority credit, is limited to injunctions and argue that account is a subject concerning with evidence chapter in which justice and witnes...

In recent years it has been trying that with regard to the question of computational complexity of discrete logarithm more strength and less in the elliptic curve than other hard issues, applications such as elliptic curve cryptography, a blind  digital signature method, other methods such as encryption replacement DLP. In this paper, a new blind digital signature scheme based on elliptic curve...

background: communication is the most important parts of the educational process, which aims to transfer or exchange of ideas.it would be provided appropriately if the academic members had the communication skills .considering the important role of academic members in educational process, in this study the knowledge, attitude and performance of isfahan health school academic members towards eff...

background: finding the right word is a necessity in communication, and its evaluation has always been a challenging clinical issue, suggesting the need for valid and reliable measurements. the homophone meaning generation test (hmgt) can measure the ability to switch between verbal concepts, which is required in word retrieval. the purpose of this study was to adapt and validate the persian ve...

The concept of proxy signature was introduced by Mambo et al. to delegate signing capability in the digital world. In this paper, we show that three existing proxy signature schemes without certificates, namely, the Qian and Cao identity-based proxy signature (IBPS) scheme, the Guo et al. IBPS scheme and the Li et al. certificateless proxy signature (CLPS) scheme are insecure against universal ...

background: the effect of health status on productivity has widely been studied and discussed in literature. valid and reliable tools are needed to evaluate the levels of health and productivity and provide detailed information, before any intervention is implemented. world health organization health and work performance questionnaire (hpq) is a widely used instrument in estimating the workplac...