A Survey of Identity-based and Attribute-based Cryptography

We survey the state of research on identity-based cryptography and attribute-based cryptography.We firstly review the basic concepts of identity-based cryptographic schemes in which users' identifier information such as email or IP addresses instead of digital certificates can be used as public key for encryption or signature verification,and subsequently review some important identity-based encryption,signature and signcryption schemes.Then we give our research on Identity-Based Encryption-Signature(IBES) ...