An improved directed anonymous attestation scheme
一种改进的直接匿名认证方案

The research and development of direct anonymous attestation(DAA) was introduced.In cognizance of the Rudolph attack caused by the leak of EK in the existing scheme,an improved direct anonymous attestation scheme was proposed.Compared with the original scheme,the improved one presented a new key exchange protocol,which implemented the two-way identity authentication between DAA Issuer and Prover.The authentication of the EK certificate and the process of issuing DAA certificate were separated from each othe...