DATA PROVISION DEVICE, DATA INTRODUCTION RECEIVING DEVICE, DATA TRANSMISSION/RECEPTION SYSTEM, PORTABLE RECORDING MEDIUM, DATA PROVISION METHOD, DATA INTRODUCTION RECEIVING METHOD, DATA TRANSMISSION/RECEPTION METHOD, DATA PROVISION PROGRAM, AND DATA INTRODUCTION RECEIVING PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a data provision device, data introduction receiving device, data transmission/reception system, portable recording medium, data provision method, data introduction receiving method, data transmission/reception method, data provision program, and data introduction receiving program capable of introducing data whose confidentiality is secured to a specific data introduction receiving device.SOLUTION: A data provision device 12 includes: a verification unit 22 for verifying whether or not a portable recording medium 18 is an authorized portable recording medium 18; and a provision unit 24 that identifies, when it is verified by the verification unit 22 that the portable recording medium 18 is an authorized portable recording medium 18, a data introduction receiving device 14 and provides the portable recording medium 18 with specific information to be used for verification by the data introduction receiving device 14, a cipher generated from data to enable the data introduction receiving device 14 to use the data under the condition that a specific decryption result is obtained by the data introduction receiving device 14, and the data.SELECTED DRAWING: Figure 2