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Domain Extension for MACs Beyond the Birthday Barrier.
Domain Extension MACs Birthday Barrier.
2012/12/3
Given an n-bit to n-bitMAC (e.g., a fixed key blockcipher) withMAC security ε against q queries, we design a variable-length MAC achieving MAC security O(εq poly(n)) against queries of total length qn...
World-leading software celebrates fifteenth birthday（图）
orld-leading software fifteenth birthday
2009/12/15
Academics at the University of Sheffield are celebrating the 15th birthday of their unique digital software this week (8 December 2009), which helps make sense of the web and social and mass media.The...