Industrial Technology Research Institute

Muh-Chyi Leu

Hung-Min Sun

Disclosed is an authentication method employing elliptic curve cryptography (ECC), applicable to a mobile broadcast TV system having one or more head end systems, at least a transmitter, and at least a mobile set. The authentication method comprises at least one request message from mobile sets simultaneously or in a short period of time arriving at a head end system for authentication; manipulating each broadcast authentication message by ECC; manipulating each service request message by ECC and pairing operation; performing a mutual authentication between the head end system and mobile sets by ECC and pairing operation; and broadcasting one group of authentication messages to all the mobile sets of many requests arrived at the head end system simultaneously or in a short period of time for the same service.

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Hsinchu, Taiwan

Muh-Chyi Leu