Security certification apparatus using biometric information and security certification method

The present invention, generating a key matrix is ​​a size variable, and by using the generated key matrix relates to a biological information, especially security authentication apparatus and a method for scrambling the image of the fingerprint, security, according to an embodiment of the invention the authentication device acquires the image of the biometric information of the user, and utilizes the transmitted key matrix to generate the key matrix using a sensor for scrambling the image of the biometric information, a random key, and transmitting the key matrix to the sensor, decoding the transmitted scroll RAM q beuldoen data from the sensor by using the key matrix and may include information processing unit to authenticate the user, the security authentication method according to an embodiment of the present invention is the information processing unit by using the random key and generating a key matrix, a key matrix, the sensor has received the key matrix The method comprising using a based mask pattern scrambling the image of the biometric information of the user and the step of using the information processing section of the key matrix decoding the scrambled image received from the sensor, and authenticates the user based on the decoded data, It may contain.