복제된 보안 모듈을 갖는 다운로더블 제한 수신 호스트를 감지하는 방법 및 그 장치
정영호, 권오형, 이수인
- 8490155 (2013.07.16)
- A method where a Downloadable Conditional Access System Provisioning Server (DPS) detects a duplicated secure micro is provided. A method of detecting a duplicated secure micro, the method including: generating authentication time difference information associated with a value of a difference between a time when a host is finally authenticated in a first address and a time when the host is authenticated in a second address; comparing the authentication time difference information with a first reference value and a second reference value, the second reference value being less than the first reference value; and determining whether the secure micro is duplicated based on a result of the comparing.
- KSP 제안 키워드
- Conditional access system, Reference value, System host, conditional access, time difference