| 摘要 |
PURPOSE: A method for preventing a copy of on-line transmission data is provided to supply on-line data by easily preventing an illegal copy of on-line data provided through an external service providing server. CONSTITUTION: A specific authentication code is generated by service users on the basis of member information respectively inputted through a plurality of service user terminals. An authentication code of the service user is added to a determined reading program capable of decoding and outputting on-line data. The reading program is installed in the service user terminals. The authentication code is inserted into a determined area of the reading program. The authentication of the service user is added to the on-line data and transmitted to the service user terminal. The authentication code of the reading program is identical to that of the on-line data. In case that the codes are identical, the on-line data are decoded. In case that the codes aren't identical, a determined error message is displayed.
|
