An Extended Identity-based Signcryption Scheme
Yang Guanglin · Microelectronics & Computer · 2006
In Identity-based Signcryption scheme, public key can be directly gained through the user' identity, simplifying the management of certificates, but in traditional signcryption scheme, Public Key Generator can know the users' private key easily, which is not fit for the application of the scheme in the open circumstance. This paper proposed an extended Identity-based Signcryption scheme using the characterisrics of bilinear map, and proved the security of the scheme. This scheme had multi Public Key Generation, can sign and encrypt message at the same time , can be used in open circumstance, and achieved forward security.