A New User Privacy Protection Scheme

In order to protect user privacy information security, and has traceability and can be combined with trust center to reveal the malicious user identity. In this paper, based on a one-off public key and signcryption method, proposed a one-off public key anonymous signcryption scheme, this scheme has the anonymity and traceability. It's anonymity and traceability can effectively prevent untrusted attack from malicious users and internal system. Analysis results show that this scheme is safe and efficient, and be able to solve the existence of one-off public key signature scheme users can deceive problems are forged signature private key and certificate, manufacturing.