B. Physician and Patient Registration
When Alice registers in the health monitoring system, she
inputs her personal information and then gets her personal
identity IDA from the health monitoring server. TA computes
her private key SA=sH1(IDA), and transfers the corresponding
public key QA=sP to the health monitoring server. Alice gets
the medical equipments, doctor’s ID and public key QEHR of the
EHR data center.