Data transfer system and data transfer method, value information mobile service equipment and value information transfer service method, and computer program

摘要

PROBLEM TO BE SOLVED: To securely move a plurality of pieces of value information between portable terminals.;SOLUTION: A server for moving the value securely moves a plurality of pieces of value information in an IC chip onto another IC chip while preventing the copying and falsifying of the value information without showing the value information itself, a key necessary for accessing the value information and its logic to devices excluding that having the authority by controlling a tamper- proof hardware module SAM in which the value information itself, the key necessary for accessing the value information and its logic are sealed. For example, when the portable terminal is exchanged to a new model, all pieces of value information can be securely moved only by connecting the terminal to one part.;COPYRIGHT: (C)2003,JPO