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ENCODING/DECODING APPARATUS CAPABLE OF RAPIDLY EXECUTING AN ENCODING OR DECODING ALGORITHM BY USING AN AES RIJNDAEL ALGORITHM AND A METHOD THEREOF
ENCODING/DECODING APPARATUS CAPABLE OF RAPIDLY EXECUTING AN ENCODING OR DECODING ALGORITHM BY USING AN AES RIJNDAEL ALGORITHM AND A METHOD THEREOF
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机译：一种能够通过使用AES RIJNDAEL算法快速执行编码或解码算法的编码/解码设备及其方法
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摘要
PURPOSE: An encoding/decoding apparatus and a method thereof are provided to minimize memory access by loading only a subround key in a second or final round among multiple rounds.;CONSTITUTION: A round key computation unit(330) generates a round key for a second or final round by computing the first subround key for a second or final round and a round key for a first round. A round executor(340) executes a computation for encoding or decoding by using a round key for the round key for the first round and the round key for the second or final round. A round key generating unit(310) generates a round key for the first round including the first or k-th part round key and a round key for the second or final round by using an inputted key.;COPYRIGHT KIPO 2010
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