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Ç¥ÁعøÈ£ | TTAE.IF-RFC4493 | ±¸Ç¥ÁعøÈ£ | |
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Á¦°³Á¤ÀÏ | 2007-12-26 | ÃÑÆäÀÌÁö | 29 |
ÇѱÛÇ¥Áظí | AES-CMAC ¾Ë°í¸®Áò | ||
¿µ¹®Ç¥Áظí | AES-CMAC Algorithm | ||
Çѱ۳»¿ë¿ä¾à | º» Ç¥ÁØÀº 128ºñÆ® ºí·Ï ¾ÏÈ£ ¾Ë°í¸®Áò AES¸¦ ÀÌ¿ëÇÏ¿© CMACÀ» »ý¼ºÇÏ´Â AESCMAC
¾Ë°í¸®ÁòÀ» ±â¼úÇÑ °ÍÀÌ´Ù. ±âÁ¸ÀÇ CBC-MAC(Cipher Block Chaining – Message Authentication Code)Àº °¡º¯ ±æÀÌÀÇ ¸Þ¼¼Áö¿¡ ´ëÇÏ¿© ¾ÈÀüÇÏÁö ¾Ê´Ù°í ¾Ë·ÁÁ® ÀÖ´Ù. º» Ç¥ÁØ¿¡¼´Â °¡º¯ ±æÀÌÀÇ ¸Þ¼¼Áö¿¡ ´ëÇÏ¿©¼ ¾ÈÀüÇÑ MACÀ» »ý¼ºÇÏ´Â CMAC ¾Ë°í¸®ÁòÀ» ¼³¸íÇÑ´Ù. AES-CMAC »ý¼º ¹æ¹ý ¹× °ËÁõ ¹æ¹ýÀ» ¼³¸íÇÏ°í, »ý¼º ¹× °ËÁõ ½Ã »ç¿ëµÇ´Â ¼ºêÅ° »ý¼º ¹æ¹ý ¹× º¸¾È °í·Á »çÇ× ±×¸®°í Å×½ºÆ®º¤Å͸¦ Æ÷ÇÔÇÑ´Ù. |
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¿µ¹®³»¿ë¿ä¾à | CMAC (Cipher-based Message Authentication Code) is a keyed hash function that is
based on a symmetric key block cipher, such as AES (Advanced Encryption Standard). It is well-known that the CBC-MAC is not secure when message lengths can vary. The AES-CMAC is an improvement of the basic CBC-MAC to provide the security when message lengths can vary. This standard includes AES-CMAC generation/verification procedures, sub-key generation algorithm, security consideration and test vectors. |
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±¹Á¦Ç¥ÁØ | IETF RFC 4493 | ||
°ü·ÃÆÄÀÏ | TTAE.IF-RFC4493.pdf |