Patent ID: 8738917

Claim:
An image verification system comprising: an image input apparatus; an image verification apparatus; a storage apparatus; a user information input apparatus; and a key generation apparatus, wherein said user information input apparatus sends user information relating to a user to said key generation apparatus, and sends the user information to said image input apparatus, wherein said key generation apparatus receives the user information from said user information input apparatus, generates a public key which corresponds to the user information, generates a private key which corresponds to the user information, sends the private key corresponding to the user information to said image input apparatus, and sends the user information and the public key corresponding to the user information to said storage apparatus, wherein said storage apparatus receives the user information and the public key corresponding to the user information from said key generation apparatus, and sends the public key corresponding to the user information to said image verification apparatus, wherein said image input apparatus receives the user information from said user information input apparatus, receives the private key corresponding to the user information from said key generation apparatus, generates verification data for image data using the private key corresponding to the user information, and sends the user information, the verification data, and the image data to one of said image verification apparatus and a storage medium, and wherein said image verification apparatus receives the user information, the verification data, and the image data from one of said image verification apparatus and the storage medium, receives the public key corresponding to the user information from said storage apparatus, and verifies whether the image data has been altered or not using the verification data and the public key corresponding to the user information.