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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) Áö¼ö¿¬»ê ºÎºÐ±ºÀÇ Ãæµ¹À» ÀÌ¿ëÇÑ Diffie-Hellman ±â¹ÝÀÇ ºñ´ëĪ Å° ±³È¯ ¹æ¹ý
¿µ¹®Á¦¸ñ(English Title) Diffie-Hellman Based Asymmetric Key Exchange Method Using Collision of Exponential Subgroups
ÀúÀÚ(Author) ¼ÛÁØÈ£   ±è¼º¼ö   Àü¹®¼®   Jun Ho Song   Sung-Soo Kim   Moon-Seog Jun  
¿ø¹®¼ö·Ïó(Citation) VOL 09 NO. 02 PP. 0039 ~ 0044 (2020. 02)
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(Korean Abstract)
º» ³í¹®¿¡¼­´Â »çÀü¿¬»êÀÌ °¡´ÉÇÑ ¼¼¼Ç Å° ½ÖÀ» ÀÌ¿ëÇÏ¿©, ÃÖ¼ÒÀÇ Á¤º¸¸¸À» ³ëÃâÇÏ¿© Å° ±³È¯ÀÌ °¡´ÉÇÑ º¯ÇüµÈ Diffie-Hellman Å° ±³È¯ ÇÁ·ÎÅäÄÝÀ» º¸ÀδÙ. ±âÁ¸ Diffie-Hellman ¹× Diffie-Hellman ±â¹Ý ±â¹ýµéÀÇ º¸¾È¼ºÀÎ ÀÌ»ê´ë¼ö¹®Á¦¸¦ º¯ÇüÇÏ¿© »ý¼º¿øÀÌ ³ëÃâµÇÁö ¾Êµµ·Ï ¼³°èÇÔÀ¸·Î½á Àü¼ÛµÇ´Â ¾ÏÈ£¹®¿¡ ´ëÇÑ °ø°ÝÀ¸·ÎºÎÅÍ Çâ»óµÈ º¸¾È¼ºÀ» °¡Áø´Ù. Á¦¾ÈÇÏ´Â ±â¹ý¿¡ ½ÇÁ¦ °ªÀ» Àû¿ëÇÏ¿© ¾Ë°í¸®ÁòÀÇ µ¿ÀÛÀ» Áõ¸íÇÏ°í ±â¹ÝÀÌ µÇ´Â ±âÁ¸ ¾Ë°í¸®Áò°úÀÇ ¼öÇà½Ã°£°ú ¾ÈÀü¼ºÀ» ºñ±³ ºÐ¼®ÇÏ¿©, Å° ±³È¯ ½ÃÁ¡ ¿¬»ê·®À» À¯ÁöÇÏ¸ç µÎ ±â¹Ý ¾Ë°í¸®Áò ½Ã°£º¹ÀâµµÀÇ °ö ÀÌ»óÀ¸·Î ¾Ë°í¸®ÁòÀÇ ¾ÈÀü¼ºÀÌ Çâ»óµÇ¾úÀ½À» º¸¿´´Ù. Á¦¾ÈÇÏ´Â ¾Ë°í¸®ÁòÀ» ±â¹ÝÀ¸·Î º¸¾È¼ºÀÌ Çâ»óµÈ Å° ±³È¯ ȯ°æÀ» Á¦°øÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÈ´Ù.
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(English Abstract)
In this paper, we show a modified Diffie-Hellman key exchange protocol that can exchange keys by exposing only minimal information using pre-computable session key pairs. The discrete logarithm problem, which provides the safety of existing Diffie-Hellman and Diffie-Hellman based techniques, is modified to prevent exposure of primitive root. We prove the algorithm's operation by applying the actual value to the proposed scheme and compare the execution time and safety with the existing algorithm, shown that the security of the algorithm is improved more than the product of the time complexity of the two base algorithms while maintaining the computation amount at the time of key exchange. Based on the proposed algorithm, it is expected to provide a key exchange environment with improved security
Å°¿öµå(Keyword) Diffie-Hellman   Asymmetric Key Cryptography   Key Exchange   µðÇÇ-Ç︸   ºñ´ëĪ Å° ¾Ïȣȭ   Å° ±³È¯ ¾Ë°í¸®Áò  
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