ELECTRONIC INFORMATION MANAGEMENT DEVICE, PORTABLE INFORMATION TERMINAL DEVICE, MANAGEMENT SERVER DEVICE AND PROGRAM

摘要: PROBLEM TO BE SOLVED: To improve safety by blocking decoding of stored contents even though a storage device is analyzed. SOLUTION: Electronic information coded an coding part 361, divided into respective fragments division 362 and written at the random physical positions 1 retaining 38a. A lookup table including position required for reading electronic name algorithm used in 1. Thus, it becomes difficult to specify coding. Even if tried be decoded, before since managed management server 4.