Samsung Electronics Co., Ltd.

Seoul National University

Yeong-Pil Cho

Jun-bum Shin

Myung-joo Ham

Yun-Heung Paek

The present invention relates to a method for protecting content of an electronic device, comprising the steps of: enabling a first security module to transmit a data encryption request to a second security module when data requiring security is generated according to the execution of a security application by the first security module in a security storage region of a memory; enabling the second security module to generate an encryption key by using the authentication information included in the data encryption request and to encrypt the data included in the data encryption request by using the encryption key; enabling the second security module to transfer the encrypted data to the first security module; and enabling the first security module to store the encrypted data in the security application.

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Seoul, South Korea

Yeong-Pil Cho