| 摘要 |
PROBLEM TO BE SOLVED: To transmit a first hash value of each of a plurality of parts included in an electronic document and a second hash value with respect to the whole electronic document to an external apparatus as an electronic signature in an environment with poor resources such as a memory and in an environment without the external apparatus for generating the electronic signature. SOLUTION: The consumption of memory resources is reduced by successively processing encoded information as necessary. COPYRIGHT: (C)2011,JPO&INPIT |
