Apparatus and method for controlling secret data by using positions of input image points on an image and a sequence of the positions

摘要: A secret data management apparatus includes an image display unit which displays on a monitor. position/sequence input inputs positions of points the using device and sequence device. An encryption generates encrypted key based from unit. storage stores in medium. access allowance allows to stored medium when positions, subsequently specified at time access, match with decryption plain is allowed by