| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology for preventing generation of a prohibition sign, a marker code by using a well-known enciphering system such as DES and AES. <P>SOLUTION: In the information processing method of this invention, object data is enciphered for each prescribed size and whether or not the result of enciphering is the prescribed prohibition sign is determined. When the result of enciphering is the prescribed prohibition sign, the data of the result of enciphering is enciphered again. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
