Patent ID: 8045195

Claim:
An image forming system, comprising: at least one image processing apparatus; an image forming apparatus that is connected with the image processing apparatus via a communication line; and at least one carriable medium used for identifying a user using the image processing apparatus, wherein the carriable medium has a record medium finished with printing storing section to store identification information to identify the user using the image processing apparatus; wherein the image processing apparatus has: an image data storing section that stores image data to form an image, a processing apparatus side reading section that reads out the identification information from the carriable medium, an encryption executing section that executes an encryption with respect to the image data on the basis of the identification information by i) generating an encryption key based on the identification information read from the carriable medium; and ii) encrypting the image data using the generated encryption key, and a transmitting section that transmits the encrypted image data to the image forming apparatus together with the identification information; and wherein the image forming apparatus has: a receiving section that receives the image data and the identification information from the image processing apparatus, a forming apparatus side reading section that reads out the identification information from the carriable medium, a judging section that judges the received image data on the basis of the identification information read out, a decryption executing section that executes a decryption with respect to the judged image data on the basis of the identification information, and an image forming section that performs an image formation of the decrypted image data onto record medium.