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ÀÌÀü°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
Ç¥ÁØ ¸ðµ¨¿¡¼ ¾ÈÀüÇÑ Diffie-Hellman Å° ±³È¯ ÇÁ·ÎÅäÄÝ
¿µ¹®Á¦¸ñ(English Title)
A Diffie-Hellman Key Exchange Protocol in the Standard Model
ÀúÀÚ(Author)
Á¤ÀÍ·¡
±ÇÁ¤¿Á
À̵¿ÈÆ
È«µµ¿ø
Ik Rae Jeong
Jeong Ok Kwon
Dong Hoon Lee
Dowon Hong
¿ø¹®¼ö·Ïó(Citation)
VOL 35 NO. 06 PP. 0465 ~ 0473 (2008. 12)
Çѱ۳»¿ë
(Korean Abstract)
MQV ÇÁ·ÎÅäÄÝÀº °¡Àå È¿À²ÀûÀÎ Diffie-Hellman Å° ±³È¯ ÇÁ·ÎÅäÄÝ·Î ¿©°ÜÁö°í ÀÖÀ¸¸ç, ¹Ì±¹ NSA¸¦ ºñ·ÔÇÑ ¸¹Àº ±â°üµé¿¡¼ Ç¥ÁØÀ¸·Î äÅõǾú´Ù. Crypto 2005¿¡¼ Hugo Krawczyk´Â MQVÀÇ ¾àÁ¡µéÀ» º¸¿´À¸¸ç, MQV¸¦ º¯ÇüÇÑ HMQV¸¦ Á¦¾ÈÇß´Ù. HMQV´Â MQV¿Í ºñ½ÁÇÑ °è»ê·®À» ¿ä±¸ÇÏ´Â ¹Ý¸é ´Ù¾çÇÑ ¾ÈÀü¼ºÀ» ¸¸Á·Çϸç, ·£´ý ¿À¶óŬ ¸ðµ¨¿¡¼ ¾ÈÀü¼º Áõ¸íÀÌ °¡´ÉÇÏ´Ù. ÀÌ ³í¹®¿¡¼ HMQV°¡ Á¦°øÇÏ´Â ´Ù¾çÇÑ ¾ÈÀü¼ºÀ» ¸¸Á·Çϸ鼵µ ·£´ý ¿À¶óŬÀ» »ç¿ëÇÏÁö ¾Ê´Â Diffie-Hellman Å° ±³È¯ ÇÁ·ÎÅäÄÝÀ» Á¦¾ÈÇÑ´Ù. Áö±Ý±îÁö´Â ·£´ý ¿À¶óŬÀ» »ç¿ëÇÏÁö ¾ÊÀ¸¸é¼ HMQV°¡ Á¦°øÇÏ´Â ´Ù¾çÇÑ ¾ÈÀü¼ºÀ» º¸ÀåÇÏ´Â Diffie-Hellman Å° ±³È¯ ÇÁ·ÎÅäÄÝÀº Á¸ÀçÇÏÁö ¾Ê¾Ò´Ù.
¿µ¹®³»¿ë
(English Abstract)
The MQV protocol has been regarded as the most efficient authenticated Diffie-Hellman key exchange protocol, and standardized by many organizations including the US NSA. In Crypto 2005, Hugo Krawczyk showed vulnerabilities of MQV to several attacks and suggested a hashed variant of MQV, called HMQV, which provides the same superb performance of MQV and provable security in the random oracle model. In this paper we suggest an efficient authenticated Diffie-Hellman key exchange protocol providing the same functionalities and security of HMQV without random oracles. So far there are no authenticated Diffie-Hellman protocols which are provably secure without using random oracles and achieve the same level of security goals of HMQV efficiently yet.
Å°¿öµå(Keyword)
Å° ±³È¯
Diffie-Hellman
Àü¹æÀ§ ¾ÈÀü¼º
°³ÀÎÅ° »ç¿ë À§Àå °ø°Ý
Key exchange
Diffie-Hellman
Strong forward secrecy
Key compromise impersonation
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