A solid-state imaging device comprising: a pixel array unit that includes rows and columns of pixels and that comprises an imaging unit and a unique information generation unit that is configured to generate predetermined analog information which corresponds to unique physical characteristics of the solid-state imaging device, wherein the imaging unit comprises a two-dimensional pixel array and the unique information generation unit comprises a two-dimensional pixel array that differs from the pixel array of the imaging unit; a unique value generation unit that is configured to generate a predetermined unique value based on the predetermined analog information; and an encryption processing unit that is configured to perform encryption processing using the predetermined unique value, wherein the unique value generation unit includes: a detection unit that is configured to convert the predetermined analog information into digital information; and a unique value calculation unit that is configured to calculate the predetermined unique value using the digital information, the solid-state imaging device being characterized in that it comprises a high-pass filter that passes a high-frequency signal for at least one of the analog information or the digital information, wherein the high-pass filter is a two-dimensional spatial filter that is an analog filter in one direction of the two-dimensional pixel array of the unique information generation unit and is a digital filter in a direction of the two-dimensional pixel array of the unique information generation unit orthogonal to the one direction. a pixel array unit that includes rows and columns of pixels and that comprises an imaging unit and a unique information generation unit that is configured to generate predetermined analog information which corresponds to unique physical characteristics of the solid-state imaging device, wherein the imaging unit comprises a two-dimensional pixel array and the unique information generation unit comprises a two-dimensional pixel array that differs from the pixel array of the imaging unit; a unique value generation unit that is configured to generate a predetermined unique value based on the predetermined analog information; and an encryption processing unit that is configured to perform encryption processing using the predetermined unique value, wherein the unique value generation unit includes: a detection unit that is configured to convert the predetermined analog information into digital information; and a unique value calculation unit that is configured to calculate the predetermined unique value using the digital information, the solid-state imaging device being characterized in that it comprises a high-pass filter that passes a high-frequency signal for at least one of the analog information or the digital information, wherein the high-pass filter is a two-dimensional spatial filter that is an analog filter in one direction of the two-dimensional pixel array of the unique information generation unit and is a digital filter in a direction of the two-dimensional pixel array of the unique information generation unit orthogonal to the one direction. a detection unit that is configured to convert the predetermined analog information into digital information; and a unique value calculation unit that is configured to calculate the predetermined unique value using the digital information, the solid-state imaging device being characterized in that it comprises a high-pass filter that passes a high-frequency signal for at least one of the analog information or the digital information, wherein the high-pass filter is a two-dimensional spatial filter that is an analog filter in one direction of the two-dimensional pixel array of the unique information generation unit and is a digital filter in a direction of the two-dimensional pixel array of the unique information generation unit orthogonal to the one direction.