| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a system and a method for protecting an electronic key. <P>SOLUTION: An electronic key protection system 10 includes: a setting module 200 which sets a plurality of hash functions; a creating module 210 which divides an electronic key into a plurality of segments, creates one table unit for each of the segments of the electronic key, the table unit including first data and second data, in which the first data include segments and the second data explicit the order of data as the segment included in the first data; a calculating module 220 which calculates a hash address for each of the segments corresponding to each hash function for each of the segments of the electronic key while using the set hash functions; and a storing module 230 which writes in a hash table the table unit of each of the segments based on the hash address of each of the segments corresponding to each of the hash functions. <P>COPYRIGHT: (C)2012,JPO&INPIT |
