Provable Secure and Efficient Digital Rights Management Authentication Scheme Using Smart Card Based on Elliptic Curve Cryptography

Algorithm 2

The login phase and the key agreement phase.

Login Phase:

 Input and

 Check

Key agreement Phase:

 Generate a random string

                 Generate a random number

                         Generate a random string

                Generate a random number

 Check

 Check

 Generate a random number

       Check