A scheme of the massage transportation based on quorum controlled proxy re-encryption
Shiping Yang · Journal of China Institute of Communications · 2003
Anonymous routing connections on open networks are strongly resistant to both eavesdropping and traffic analysis. However, encrypting and signing the same massage package in the schemes available will reduce its efficiency. In addition, the attacker can still perform traffic analysis by getting the originator抯 keys to the massage packages when these packages are transported by using standard public key cryptographic techniques. But when used proxy re-encryption, the mid-proxy can transform between ciphers from one encryption key to another encryption key without having to expose the cleartexts to the participants involved. Therefore, a new massage transportation scheme is proposed with quorum controlled proxy re-encryption technique and an analysis of security is given.