LOGGING SYSTEM, AND ENCRYPTED LOG GENERATING DEVICE AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To collect data for each user while preventing information specifying a user included in a log from being browsed on a logging server.

SOLUTION: This logging system includes: an encrypted log generating device configured to obtain a log (a use content log) showing contents used by a user of an image processor, selectively encrypt information specifying a user included in the use content log to generate an encrypted log, and transmit the encrypted log; a logging device configured to collect encrypted logs for each information specifying the encrypted user and transmit the result of collecting the encrypted logs to a log use device; and the log use device configured to receive the results of collecting the encrypted logs and decode the information specifying the user included in the result of collecting the encrypted logs.

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