| Âê̾ | ¥¢¥¯¥»¥¹¸浡ǽÉդ¸¡º÷²Äǽ°Źæ¤ÎID¥١¼¥¹°Ź椫¤é¤ι½ |
| Ãø¼Ô | *ÉÚÅÄ ¹¬»Ì, µÜֿ ¿λÖ (̾¸Ų°¹©¶ÈÂç³Ø), ÌÓÍø ¸øÈþ (´ôÉìÂç³Ø), ÇòÀÐ ÌÀ (̾¸Ų°¹©¶ÈÂç³Ø) |
| Page | pp. 208 - 214 |
| Keyword | ¸¡º÷²Äǽ°Źæ, ¥¢¥¯¥»¥¹¸æ, ID¥١¼¥¹°Źæ |
| Abstract | ±¿Íѥ³¥¹¥Ȥ¬Ä㤯¡¤ÍøÊؤ¬ͥ¤ì¤Ƥ¤¤ëÅ«¤饯¥饦¥ɥ¹¥ȥ졼¥¸¤¬³èÍѤµ¤ì¤Ƥ¤¤롥µ¡̩¤ι⤤¥ǡ¼¥¿¤òÂ軰¼ԤËͤ±¤ë¾ì¹硤°տޤ·¤ʤ¤¿ͤ˥ǡ¼¥¿¤é¤ì¤ʤ¤¤褦¤˥ǡ¼¥¿¤ò°Ź沽¤¹¤ë¼êÃʤ¬ÍѤ¤¤é¤ì¤롥¤½¤³¤ǰŹæʸ¤òÉü¹椹¤뤳¤Ȥʤ¯¸¡ºǤ¤뵻½ѤȤ·¤Ƹ¡º÷²Äǽ°Ź椬ÃíÌܤµ¤ì¤Ƥ¤¤롥ÍÑÅӤ˱þ¤¸¤¿¸¡º÷²Äǽ°ŹæÊý¼°¤¬Äó°Ƥµ¤ì¤Ƥª¤ꡤ°Źæʸ¤θ¡º÷¼Ԥò¸ÂÄꤹ¤뤳¤ȤΤǤ¤륢¥¯¥»¥¹¸浡ǽÉդ¸¡º÷²Äǽ°ŹæÊý¼°¤âÄó°Ƥµ¤ì¤Ƥ¤¤롥¤³¤ì¤ޤǤËÄó°Ƥµ¤ì¤Ƥ¤¤ë¸ø³«¸°°Źæ¥١¼¥¹¤θ¡º÷²Äǽ°Źæ¤ÏID¥١¼¥¹°Źæ¤ò´ð¤˹½¤µ¤ì¤Ƥ¤¤롥¤ޤ¿¡¤ID¥١¼¥¹°Ź椫¤é¸ø³«¸°°Źæ¥١¼¥¹¤θ¡º÷²Äǽ°Źæ(PEKS)¤ò°ìÈÌŪ¤˹½¤¹¤ëÊýˡ¤¬Äó°Ƥµ¤ì¤Ƥ¤¤롥¤â¤Ȥˤ¹¤ëID¥١¼¥¹°Źæ¤òÊѹ¹¤Ǥ¤ë¤褦¤ˤʤì¤С¤ÍøÍѤ¹¤ë¾ìÌ̤ǤΥ»¥¥å¥ê¥ƥ£´ð½à¤˱þ¤¸¤¿¸¡º÷²Äǽ°Źæ¤ò½ÀÆð¤˹½¤¹¤뤳¤Ȥ¬¤Ǥ¤롥ËܹƤǤϡ¤¥¢¥¯¥»¥¹¸浡ǽÉդ¸¡º÷²Äǽ°Źæ(SEAC)¤òÄêµ·¡¤Ǥ°դÎID¥١¼¥¹°Ź椫¤éSEAC¤ؤÎÊѴ¹ (ibe-2-seacÊѴ¹)¤¹¤ë¼êˡ¤òÄó°Ƥ¹¤롥Äó°Ƽêˡ¤ˤè¤깽¤µ¤ì¤륢¥¯¥»¥¹¸浡ǽÉդ¸¡º÷²Äǽ°Źæ¤ΰ¤ÏID¥١¼¥¹°Źæ¤ΰ¤˵¢Ã夹¤롥 |
| Âê̾ | ÊýÈëƿ¤òËþ¤¿¤¹°¼º¸úµ¡ǽÉդ°¥١¼¥¹°Źæ |
| Ãø¼Ô | * ÌÔ (̾¸Ų°¹©¶ÈÂç³Ø), ÌÓÍø ¸øÈþ (´ôÉìÂç³Ø), ÇòÀÐ ÌÀ (̾¸Ų°¹©¶ÈÂç³Ø) |
| Page | pp. 215 - 221 |
| Keyword | CryptographicCloudStorage, °Źæʸ¥ݥꥷ¡¼°¥١¼¥¹°Źæ, ¥ץ¥·ºưŹ沽, °¤μº¸ú |
| Abstract | ¥¯¥饦¥ɥ¹¥ȥ졼¥¸¤ËÊݸ¤·¤¿¶¦ͭ¥ǡ¼¥¿¤Υ¢¥¯¥»¥¹¸æ¤ËŬ¤·¤¿°Źæ¤Ȥ·¤ơ¤°Źæʸ¥ݥꥷ¡¼°¥١¼¥¹°Źæ(Ciphertext-Policy Attribute-Based Encryption : CP-ABE)¤¬¤¢¤롥CP-ABE¤Ǥϡ¤Èë̩¸°¤˴ØϢÉդ±¤é¤ì¤Ƥ¤¤ë°½¸¹礬¡¤°Źæʸ¤˴ØϢÉդ±¤é¤ì¤Ƥ¤¤륢¥¯¥»¥¹¹½¤¤òËþ¤¿¤¹¾ì¹ç¤Τߡ¤¤½¤ÎÈë̩¸°¤ˤè¤äưŹæʸ¤òÉü¹椹¤뤳¤Ȥ¬¤Ǥ¤롥°¥١¼¥¹°Źæ¤Ǥϥ桼¥¶¤Î°¤ú¤µ¤»¤ë¤ˤϡ¤¤½¤Υ桼¥¶¤¬°Źæʸ¤òÉü¹æ¤Ǥ¤ʤ¤¤褦¤ˤ·¤ʤ±¤ì¤Фʤé¤ʤ¤¡¥¸úΨÎɤ¯¥桼¥¶¤Î°¤ú¤µ¤»¤뤳¤Ȥ¬¤Ǥ¤ëCP-ABE¤ÎÄó°Ƥ¬¤ʤµ¤ì¤Ƥ¤¤뤬¡¤°¼º¸ú¥桼¥¶¤ËÂФ¹¤븷̩¤ʰ¾Ú̬Ϳ¤¨¤é¤ì¤Ƥ¤¤ʤ¤¡¤¤⤷¤¯¤ϡ¤¥¸¥§¥ͥê¥å¯·²¥â¥ǥë¤Ȥ¤¤¦¶¯¤¤²¾Äê¤Υâ¥ǥë¤Τâ¤ȤǾÚ̵¤ì¤Ƥ¤¤롥 ËܹƤǤϡ¤ÊýÈëƿ(Forward Secrecy)¤òËþ¤¿¤¹°¼º¸úµ¡ǽÉդ°¥١¼¥¹°Źæ¤òÄó°Ƥ¹¤롥°¥١¼¥¹°Źæ¤ˤª¤±¤ëÊýÈëƿ¤ϡ¤°ìÅÙ°¤ú¤·¤¿¥桼¥¶¤Ϥ½¤³¤«¤éÀè¤ϰŹæʸ¤òÉü¹æ¤Ǥ¤ʤ¤¤³¤Ȥò°Ọ̃¤¹¤롥Äó°ÆÊý¼°¤ÏÉÔ¥桼¥¶¡¤¥¯¥饦¥ɥµ¡¼¥С¤°¼º¸ú¥桼¥¶¤ι¶·â¤ËÂФ·¤ơ¤ɸ½à¥â¥ǥë¤Τâ¤ÈDBDH²¾Äê¤ˤª¤¤¤ÆIND-CPA°Â¤Ǥ¢¤롥 |
| Âê̾ | ¥é¥ó¥à˸³²¿òÍѤ¤¤¿²èÁü¥١¼¥¹CAPTCHAÊý¼°¤ÎÄó°Æ |
| Ãø¼Ô | *Åļ Âó¸Ê, ¿û°æ ʸϺ (µܺêÂç³ØÂç³ر¡¹©³ظ¦µæ²Ê), ËÑ Èþ̼ (¿ÀÆàÀ²ÊÂç³ؾðÊó³ØÉô), ²¬ºê ľÀë (µܺêÂç³ع©³ØÉô) |
| Page | pp. 222 - 229 |
| Keyword | CAPTCHA, Bot, ȿž¥塼¥ê¥ƥ¹¥È, ²èÁüǧ¾Ú |
| Abstract | ¶áǯ¡¤WEB¥µ¡¼¥ӥ¹¤¬µã¤ËÉáµڤ¹¤ëÃæ¤ǡ¤¤½¤ì¤é¤ÎWEB¥µ¡¼¥ӥ¹¤ËÂФ·¤ƥܥåȤȸƤФì¤뼫ư¥ץ¥é¥à¤ò»ÈÍѤ·¡¤ÉÔ¤˥µ¡¼¥ӥ¹¤òÍøÍѤ¹¤ë¤Ȥ¤¤¦°¼ʹ٤¬ÌäÂê¤ȤʤäƤ¤¤롥 ¤³¤Τ褦¤ÊÌäÂê¤òËɻߤ¹¤뤿¤á¤ˡ¤CAPTCHA¤ȸƤФì¤ëȿž¥塼¥ê¥ƥ¹¥Ȥ¬¹¤¯ÍøÍѤµ¤ì¤Ƥ¤¤롥 CAPTCHA¤ϥã¥ì¥ó¥¸/¥쥹¥ݥ¿¥ƥ¹¥Ȥΰì¼ï¤Ǥ¢¤ꡤ¿ʹ֤ˤÏÍưפ˲뤬¥³¥ó¥ԥ塼¥¿¤ˤϤ·¤¤Åú¤¨¤òƳ¤½Ф¹¤³¤Ȥ¬º¤Æñ¤ÊÌäÂê¤ò½ÐÂꤷ¡¤²óÅú¤ÎÈݤˤè¤ꡤÂоݤ¬¿ʹ֤Ǥ¢¤뤫µ¡³£¤Ǥ¢¤뤫¤òȽÊ̤¹¤롥 ¤·¤«¤·¡¤¶áǯ¡¤CAPTCHA¤ò¼«ưŪ¤ËÆÍÇˤ¹¤뵻½Ѥ¬ȯ㤷¡¤¤½¤ÎÀȼ夬¿¤¯¤θ¦µæ¼Ԥ˻ØŦ¤µ¤ì¤Ƥ¤¤롥 Î㤨¤С¤ʸ»úÎóCAPTCHA¤ˤª¤¤¤Ƥϡ¤¤¹¤Ǥ˹ⵡǽ¤ÊOCR¡ʼ«ưʸ»úǧ¼±¡˵¡ǽ¤òÈë¥ܥåȤ¬½и½¤·¤Ƥ¤¤롥 ¤½¤³¤ÇËÜÏÀʸ¤Ǥϡ¤²èÁü¥١¼¥¹¤ο·¤¿¤ÊCAPTCHAÊý¼°¤òÄó°Ƥ·ɾ²¹¤롥 ËÜÄó°Ƽêˡ¤Ǥϡ¤µ¡³£¤Ǥϼ¸½¤¹¤뤳¤Ȥ¬Æ¤¿ÍÆÃͭ¤βèÁüǧ¼±ǽÎϤòÍøÍѤ·¡¤¹⤤¥桼¥¶¥ӥê¥ƥ£¤ÈƱ»þ¤ˡ¤ÄèÁü¤ÎÃæ¤ËÅú¤¨¤Ȥʤëʸ»ú¤ò¤¯ɽ¼¨¤·¤ʤ¤¤³¤ȤÇOCRµ¡ǽ¤òÍøÍѤ¹¤ë¥ܥåȤȿʹ֤ι⤤ȽÊÌΨ¤ò¼¸½¤¹¤롥 |
| Âê̾ | Ǹ«¹¶·âÂѤò¹Íθ¤·¤¿¥¹¥ޡ¼¥ȥե©¥ó¤ˤª¤±¤ë¥ꥺ¥àǧ¾ڼêˡ - ³ڶʤμçÀûΧ¤òÍѤ¤¤¿ºݤÎǧ¾ÚÅÙɾ²Á - |
| Ãø¼Ô | *»Ô¼ μÂÀ, ǼÉÙ °침 (¿ÀÆàÀ²ÊÂç³ØÂç³ر¡¹©³ظ¦µæ²ʾðÊØÀ칶), ºØƣ ·ðì (¹ñºݰåÎÅʡ»ãÂç³ؾðÊ鼼) |
| Page | pp. 230 - 233 |
| Keyword | ¥¹¥ޡ¼¥ȥե©¥ó, Ǹ«¹¶·â, ¥ꥺ¥à, ǧ¾Ú, ¼«¸ÊÁȿ¥²½¥ޥå× |
| Abstract | Ëܸ¦µæ¤Ǥϡ¤¥¹¥ޡ¼¥ȥե©¥ó¤ˤª¤±¤ëǸ«¹¶·âÂѤò¹Íθ¤·¤¿¤¦¤¨¤ǡ¤°Â¡¤ÍøÊؤò·ó¤ͤ¿ǧ¾ڼêˡ¤ˤĤ¤¤ÆÄó°Ƥò¹ԤäƤ¤¤롥Àè¹Ը¦µæ¤Ǥϡ¤Ç¸«¹¶·âÂѤò¹Íθ¤·¤¿ÆþÎÏÊýˡ¤Ȥ·¤ơ¤²èÌ̤Ƥ¤¤ë¾õÂ֤ÇÆþÎϤò¹Ԥ¦¡ÖÄ̾ïÆþÎϡפˡ¤Ëܼêˡ¤ʤé¤ǤϤÎÆþÎÏÊýˡ¡¤²èÌ̤Ƥ¤¤ʤ¤¾õÂ֤ÇÆþÎϤò¹Ԥ¦¡ÖǸ«ËɻßÆþÎϡפòÄó°Ƥ·¡¤¼ÂÍѲÄǽ¤Ǥ¢¤뤳¤Ȥ·¤¿¡¥¼¡¤ˡ¤²»³ڷи³ǯ¿ô¤Ç2¤ĤΥ°¥롼¥פËʬ¤±¡¤ǧ¾ÚÅ٤˺¹¤¬¤¸¤뤫¸¡¾ڼ¸³¤ò¹Ԥä¿¡¥·ë²̡¤ǧ¾ÚÅ٤ˤÏ4.0¡ó¤κ¹¤¬¤Ǥ¤¿¡¥²»³ڷи³ǯ¿ô¤ˤè¤êǧ¾ÚÅ٤˺¹¤¬¤¸¤뤳¤Ȥϡ¤ÍøÍѼԤò¸ÂÄꤷ¤Ƥ·¤ޤ¦¤³¤Ȥ˷Ҥ¬¤뤿¤ᡤ¤³¤κ¹¤ò¤ʤ¯¤¹ɬÍפ¬¤¢¤롥¤½¤³¤ÇËܹƤǤϡ¤»ØÄꤷ¤¿³ڶʤμçÀûΧ¤òÍѤ¤¥ꥺ¥à¤òºî¤·¤¿ºݤˡ¤Àè¹Ը¦µæ¤ËÈæ¤Ùǧ¾ÚÅ٤¬¸þ¾夹¤뤫¤ڤ¹¤뤿¤á¤Υꥺ¥àǧ¾ڼ¸³¤ò¹Ԥä¿¡¥»ØÄê³ڶÊ(long)¤ȻØÄê³ڶÊ(short)¤Î2¥ѥ¿¡¼¥ó·×¬¤·¡¤ÆÃħ¤ÊÁȿ¥²½¥ޥåפˤè¤ê³ؽ¬¡¦ʬÎष¡¤ʬÀϤò¹Ԥä¿·ë²̤ˤĤ¤¤ƽҤ٤롥»ØÄê³ڶÊ(long)¤ǤÏǧ¾ÚÅÙ96.2%¡¤»ØÄê³ڶÊ(short)¤ǤÏǧ¾ÚÅÙ98.3%¤¬Æé¤졤¤ɤé¤âÀè¹Ը¦µæ¤ËÈæ¤Ùǧ¾ÚÅ٤ϸþ¾夷¤¿¡¥ |
| Âê̾ | ¥¹¥ޡ¼¥ȥե©¥ó¤ˤª¤±¤륭¡¼Áàºî½ÏÎýÅ٤ΰ㤤¤ˤè¤륭¡¼¥¹¥ȥ¥¯ǧ¾ڼêˡ¤θ¡Ƥ |
| Ãø¼Ô | *»³ÅÄ ·ò°ìϯ, ǼÉÙ °침 (¿ÀÆàÀ²ÊÂç³ØÂç³ر¡¹©³ظ¦µæ²ʾðÊØÀ칶), ºØƣ ·ðì (¹ñºݰåÎÅʡ»ãÂç³ؾðÊ鼼) |
| Page | pp. 234 - 237 |
| Keyword | ¥¡¼¥¹¥ȥ¥¯ǧ¾Ú, ¼«¸ÊÁȿ¥²½¥ޥå×, ¥ޥ륿¥åÁ, ¥եê¥å¯, ¥¹¥ޡ¼¥ȥե©¥ó |
| Abstract | ¶áǯ¡¤¥¹¥ޡ¼¥ȥե©¥ó¤䥳¥ó¥ԥ塼¥¿¤òÍøÍѤ·¤¿¥ª¥ó¥饤¥¼¥बή¹Ԥ·¤Ƥ¤¤롥¤½¤ì¤Ëȼ¤¤¡¤ÉÔ¥¢¥¯¥»¥¹Èﳲ¤â¿ȯ¤·¤Ƥ¤¤롥¥¥¤¥ó»þ¤Îǧ¾Úưºî¤òÆÍÇˤǤ¤ì¤С¤¤½¤θå¤Ïï¤Ǥ⼫ͳ¤ËÁàºî¤Ǥ¤뤳¤Ȥ«¤顤ÉÔ¥¢¥¯¥»¥¹¤ÎÈﳲ¤¬¸º¤é¤ʤ¤¤ȹͤ¨¤é¤ì¤롥Ëܸ¦µæ¤Ǥϡ¤¥ª¥ó¥饤¥¼¥à¤ˤª¤±¤ëÉÔ¥¢¥¯¥»¥¹Èﳲ¤ÎÂкö¤Ȥ·¤ơ¤¥²¡¼¥àÁàºî¾ðÊó¤ò»ÈÍѤ·¤¿¥¡¼¥¹¥ȥ¥¯ǧ¾ڼêˡ¤òÄó°Ƥ·¤Ƥ¤¤롥Àè¹Ը¦µæ¤Ǥϡ¤¥ޥ륿¥åä¥եê¥å¯Áàºî¤Ȥ¤¤ä¿¥¹¥ޡ¼¥ȥե©¥óÆȼ«¤Υ¡¼Áàºî¤òÍѤ¤¡¤ºǹâ86.39%¤Îǧ¾ÚÅ٤¬³Îǧ¤µ¤줿¡¥¤ޤ¿¡¤¸¡¾ڷë²̤«¤é¹⤤ǧ¾ÚÅ٤òÆ뤿¤á¤ˤϥ¡¼Áàºî¤ΰÂÄ꤬ɬÍפǤ¢¤뤳¤Ȥâ³Îǧ¤µ¤줿¡¥ËܹƤǤϡ¤·Ñ³Ū¤˥¡¼Áàºî¼¸³¤ò¹Ԥ¤¡¤È︳¼ԤΥ¡¼Áàºî½ÏÎýÅ٤ò¹â¤¾õÂ֤ǥ¡¼Áàºî¼¸³¤ò¹Ԥä¿·ë²̤ˤĤ¤¤ƽҤ٤롥¶ñÂÎŪ¤ˤϡ¤¥¡¼Áàºî¼¸³¤ò¹Ԥ¦´ü´֤òÊѹ¹¤·¤¿3¥°¥롼¥פǼ¸³¤ò¹Ԥ¤¡¤ʬÀϷë²̤«¤饭¡¼Áàºî½ÏÎýÅ٤ΰ㤤¤ˤè¤ëǧ¾ÚÅ٤ÎÊѲ½¤ˤĤ¤¤ÆÈæ³Ӹ¡¾ڤò¹Ԥä¿¡¥·ë²̡¤¹⤤³ÎΨ¤Ç2ÆüÌܰʹߤÎǧ¾ÚÅ٤¬¸þ¾夷¡¤ºǹâ98.89%¤Îǧ¾ÚÅ٤ò³Îǧ¤·¤¿¡¥¥¡¼Áàºî½ÏÎýÅ٤ò¹â¤á¤뤳¤Ȥˤè¤ꡤǧ¾ÚÅ٤θþ¾å¤ò´üÂԤǤ¤뤳¤Ȥ¬³Îǧ¤µ¤줿¡¥ |