System and method for managing credible calculating platform key authorization data

This invention relates to a management system for trustable computation of cryptographic key authentication data including a trustable platform module, an authorization data management module, an authorization data list storage module and a cryptographic key storage module, in which, the authorization data management module is connected with the trustable platform module, the cryptographic storage module and an authorization data list storage module used in management and authentication of authorized data, the authorization data list storage module is connected with the management module for storing authorized data list, the cryptographic key storage module is connected with the data management module including a cryptographic label storage module and its related information storage module. This invention also includes a management method and an authorized data maintenance method corresponding to the method.