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Current Result Document :

ÇѱÛÁ¦¸ñ(Korean Title) ºñÆ® ½½¶óÀ̽º ´ëÇÕ S-¹Ú½º¿¡ ÀÇÇÑ ´ëĪ SPN ºí·Ï ¾ÏÈ£¿¡ ´ëÇÑ Â÷ºÐ ¿À·ù °ø°Ý
¿µ¹®Á¦¸ñ(English Title) Differential Fault Analysis on Symmetric SPN Block Cipher with Bitslice Involution S-box
ÀúÀÚ(Author) °­Çüö   ÀÌâÈÆ   HyungChul Kang   Changhoon Lee  
¿ø¹®¼ö·Ïó(Citation) VOL 04 NO. 03 PP. 0105 ~ 0108 (2015. 03)
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(Korean Abstract)
º» ³í¹®¿¡¼­´Â 2011³â¿¡ Á¦¾ÈµÈ ºñÆ® ½½¶óÀ̽º ´ëÇÕ S-¹Ú½º¿¡ ÀÇÇÑ ´ëĪ SPN ºí·Ï ¾ÏÈ£¿¡ ´ëÇÑ Â÷ºÐ ¿À·ù °ø°ÝÀ» Á¦¾ÈÇÑ´Ù. ÀÌ ºí·Ï ¾ÏÈ£´Â AES¸¦ ±â¹ÝÀ¸·Î ¼³°èµÇ¾úÀ¸¸ç, ¾Ïȣȭ¿Í º¹È£È­¸¦ µ¿ÀÏÇÏ°Ô ±¸¼ºÇÏ¿© Á¦ÇÑÀû Çϵå¿þ¾î ¹× ¼ÒÇÁÆ®¿þ¾î ȯ°æ¿¡¼­ ÀåÁ¡À» °¡Áöµµ·Ï ¼³°èµÇ¾úÀ¸¹Ç·Î, ÀÌ ºí·Ï ¾ÏÈ£´Â ºÎä³Î ºÐ¼®¿¡ ´ëÇÑ ¾ÈÀü¼ºÀ» °¡Á®¾ß ÇÑ´Ù. ±×·¯³ª º» ³í¹®¿¡¼­ Á¦¾ÈÇÏ´Â °ø°Ý ¹æ¹ýÀº 1°³ÀÇ ·£´ý ¹ÙÀÌÆ® ¿À·ù ÁÖÀÔ°ú 2^8¹øÀÇ Àü¼ö Á¶»ç¸¦ ÅëÇØ º» ºí·Ï ¾ÏÈ£ÀÇ 128-ºñÆ® ºñ¹ÐÅ°¸¦ º¹±¸ÇÑ´Ù. ÀÌ ºÐ¼® °á°ú´Â º» ºí·Ï ¾ÏÈ£¿¡ ´ëÇÑ Ã¹ ¹ø° °á°úÀÌ´Ù.
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(English Abstract)
In this paper, we propose a differential fault analysis on symmetric SPN block cipher with bitslice involution S-box in 2011. The target block cipher was designed using AES block cipher and has advantage about restricted hardware and software environment using the same structure in encryption and decryption. Therefore, the target block cipher must be secure for the side-channel attacks. However, to recover the 128-bit secret key of the targer block cipher, this attack requires only one random byte fault and an exhausted search of ÉÖÉÜ. This is the first known cryptanalytic result on the target block cipher.
Å°¿öµå(Keyword) ºí·Ï ¾ÏÈ£   Â÷ºÐ ¿À·ù °ø°Ý   ´ëĪ SPN ºí·Ï ¾ÏÈ£   AES   Block Cipher   Differential Fault Analysis   Symmetric SPN Block Cipher   AES  
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