In this book"s view of the fact that this research work explores an unique approach of providing security of the private key or partial private key over the network. Thus an approach is also helpful for rejuvenation of private key and additionally the key will be tenable from the attacker. In this book also includes message for verification with private key. It is more Secure, User Friendly, Portable, Efficient Это и многое другое вы найдете в книге Proactive Security Scheme Based on Threshold with Refreshment of Key