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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク RCCA Security ： ウィキペディア英語版 RCCA Security Replayable security against Chosen-Ciphertext Attack (noted 'RCCA') is a security notion in cryptography that relaxes the older notion of Security against Chosen-Ciphertext Attack (CCA, more precisely ''adaptive'' security notion CCA2) : all CCA-secure systems are RCCA secure but the converse is not true. It has been introduced in 2003 in a research publication by Ran Canetti, Hugo Krawczyk and Jesper B. Nielsen.〔Ran Canetti, Hugo Krawczyk, Jesper B. Nielsen, ''Relaxing Chosen-Ciphertext Security''. 2003 eprint archive ()〕 The claim is that for a lot of use cases, CCA is too strong and RCCA suffices. Nowadays a certain amount of cryptographic scheme are proved RCCA-secure instead of CCA secure. ==References== 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「RCCA Security」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.