| 摘要 |
PROBLEM TO BE SOLVED: To transmit data with an appropriate electronic signature at a designated time when the data with the electronic signature are to be transmitted at the designated time. SOLUTION: When timer transmission and electronic signature addition using stored key information and electronic certificate are set for transmission target data (YES in S38), deletion of the stored key information and electronic certificate to be used for generating a stored electronic signature is restricted (S40). COPYRIGHT: (C)2008,JPO&INPIT
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