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Tweakable Blockciphers for Efficient Authenticated Encryptions with Beyond the Birthday-Bound Security
Blockcipher tweakable blockcipher efficient authenticated encryption
2017/5/31
Modular design via a tweakable blockcipher (TBC) offers efficient authenticated encryption (AE) schemes (with associated data) that call a blockcipher once for each data block (of associated data or a...
Beyond-Birthday-Bound Security for Tweakable Even-Mansour Ciphers with Linear Tweak and Key Mixing
tweakable block cipher iterated Even-Mansour cipher key-alternating cipher
2015/12/23
The iterated Even-Mansour construction defines a block cipher from a tuple of public $n$-bit permutations $(P_1,\ldots,P_r)$ by alternatively xoring some $n$-bit round key $k_i$, $i=0,\ldots,r$, and a...
New Blockcipher Modes of Operation with Beyond the Birthday Bound Security
Blockcipher Modes Operation Birthday Bound Security
2008/11/26
In this paper, we define and analyze a new blockcipher mode of operation for
encryption, CENC, which stands for Cipher-based ENCryption. CENC has the following
advantages: (1) beyond the birthday bo...