| 摘要 |
A system for visual cryptography comprises a server ( 1 ) for encrypting a series of images using a set of keys, a terminal ( 2 ) for displaying the encrypted images, a transmission medium ( 4 ) for transmitting the encrypting images from the server to the terminal ( 2 ), and a decryption device ( 3 ) for decrypting the encrypted image displayed on the terminal. A key identification is produced by the server ( 1 ) and displayed by the terminal ( 2 ). The decryption device ( 3 ) senses the key identification and selects the corresponding key from its key set. |
