Patent ID: 9054848
Filing Date: 2015-06-09
Classification: G06F,H04L

Abstract:
1. An electronic apparatus, comprising: a secure unit to store public key information; an input unit to receive user authentication information and a data searching word; a user authenticating unit to perform user authentication with the inputted user authentication information; an encryption generating unit to generate a searching word encryption for use in data search according to a random message and an encryption, where the encryption is determined according to the stored public key, the inputted user information, the random message, and the data searching word when the user has been authenticated by the user authentication unit according to the inputted user authentication information; and a control unit to control generating the searching word encryption using the previously-stored public key information, the inputted user authentication information, and the data searching word, wherein the secure unit is implemented as a trusted platform module (TPM), and wherein the TPM generates a pair of the public key information of the electronic apparatus and secret key information of the electronic apparatus and stores the pair in the secure unit.