Cryptographic protocols are used to encrypt data during their transmission over a network or to store it on a data carrier. This thesis is about the method of identity-based encryption. In this form of encryption, the name or identity of the target subject is used to encrypt the data. This property makes it a perfect tool for modern electronic communication, because all involved identities and ...

Modern mobile devices are marvels of computation. They can encode high­defnition video, processing and compressing over 350MB/s of image data in real time. They have no trouble driving displays with as much resolution as a full laptop, and smart­ phone manufacturers boast of running games with "console quality" graphics. Mobile devices pack all of this computational power into a 1­2\ hand­held ...

Background: There has been a growing claim that cell phone usage may have a detrimental effect on sperm chromatin. Infertile men possess anomalies in the composition of their sperm nuclei, displaying higher levels of loosely packaged chromatin and damaged DNA. In this study we examined the relationship of cell phone radiation and the protection effect of alpha_tocopherol on human sperm DNA. Mat...

nowadays mobile phone is very popular, causing concern about the effect it has on people's health. parotid salivary glands are in close contact to cell phone while talking with the phone and the possibility of being affected by them. limited studies have evaluated the effect of cell phone use on the secretions of these glands; so this study was designed to investigate the effects of duration of...

Despite the widespread use of mobail phones in Iranian students, psychological and behavioral effects of addiction to it and its consequences have not been investigated yet. The aim of this study was to determine the relationship between cell phone dependency with psychological disorders and academic burnout among nursing and midwifery students. In this study, 169 students were chosen through s...