| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent falsification of unique data, while allowing determination of illicitly conducted falsification thereof. <P>SOLUTION: In a transmission and reception system for unique data in which an electronic apparatus 10 in a manufacturing plant 11 and a host computer 1 installed separately from the manufacturing plant 11 to collectively manage the manufacturing processes for the electronic apparatus 10 and unique data on each electronic apparatus 10 are connected via a network, and the host computer 1 transmits unique data to each electronic apparatus 10 in the manufacturing plant 11 to make the electronic apparatus 10 store the unique data, the host computer 1 has a management database 2 for collectively managing unique data on the electronic apparatus 10, an encryption means 5 for encrypting the unique data, and a transmission means 3 for transmitting the encrypted unique data to the electronic apparatus 10, and the electronic apparatus 10 has a reception means 24 for receiving the unique data via the network, a decryption means 37 for decrypting the encrypted unique data, and a storage means 23 for storing the decrypted unique data. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
