One of the current issues raised by HIV/AIDS is the phenomenon of serodiscordance: affective-sexual relations between partners with different HIV serology. The article analyzes issues that cannot be discussed within established relationships in these couples and/or with family, friends, and neighborhood networks. The article discusses two dimensions of silences and secrets in serodiscordant rel...

Disclosure and secrecy with mothers and best friends about personal, bad behavior, and multifaceted (e.g., staying out late) activities were examined using daily diaries among 102 ethnically diverse, urban middle adolescents (M = 15.18 years, SD = .89). Adolescents disclosed more and kept fewer secrets from best friends than from mothers and more frequently disclosed and kept secrets about thei...

Many RFID authentication protocols have been proposed to provide desired security and privacy level for RFID systems. Almost all of these protocols are based symmetric cryptography because of the limited resources of RFID tags. Recently Cheng et. al have been proposed an RFID security protocol based on chaotic maps. In this paper, we analyze the security of this protocol and discover its vulner...

This paper presents a new scheme for hiding two halftone secret images into two meaningful shares created from halftone cover images. Meaningful shares are more desirable than noiselike meaningless shares in Visual Secret Sharing because they look natural and do not attract eavesdroppers’ attention. Previous works in the field focus on either increasing number of secrets or creating meaningful ...