APPARATUS AND METHOD FOR VERIFYING MODIFIED CERTIFICATE PATH INCLUDING ROOT KEY VERIFICATION AND CRL PRE-VERIFICATION

摘要

PURPOSE: An apparatus and a method for verifying a modified certificate path including root key verification and CRL pre-verification are provided to enhance the reliability of a root key by verifying the root key in a process for verifying a certificate path. CONSTITUTION: An apparatus for verifying a modified certificate path including root key verification and CRL pre-verification includes a root key verification unit(210), a CRL pre-verification unit(220), and a general certificate path verification unit(230). The root key verification unit(210) verifies a root key of a certificate authority of the highest level. The CRL pre-verification unit(220) identifies abolishing states of certificates on a certificate path. The general certificate path verification unit(230) verifies general items of the certificates.