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One-key MAC OMAC (One-key MAC) is a message authentication code constructed from a block cipher much like the CBC-MAC algorithm. Officially there are two OMAC algorithms (OMAC1 and OMAC2) which are both essentially the same except for a small tweak. OMAC1 is equivalent to CMAC which became an NIST recommendation in May 2005. It is free for all uses (no patents). ==External links==
* (More information on OMAC ) * (NIST Special Publication 800-38B ) * (Phillip Rogaway's statement on intellectual property status of CMAC )
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「One-key MAC」の詳細全文を読む
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