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Automatic Search for Key-Bridging Technique: Applications to LBlock and TWINE (Full Version)
Block Ciphers Key-Bridging Technique Automatic Search
2016/5/3
Key schedules in block ciphers are often highly simplified, which causes weakness that can be exploited in many attacks. At ASIACRYPT 2011, Dunkelman et al. proposed a technique using the weakness in ...
Note of Multidimensional MITM Attack on 25-Round TWINE-128
Block Ciphers Cryptanalysis TWINE
2016/1/9
TWINE is a lightweight block cipher proposed in SAC 2012
by Suzaki et al.. TWINE operates on 64-bit block and supports 80 or 128-
bit key, denoted as TWINE-80 and TWINE-128 respectively. TWINE
has ...
Differential Analysis and Meet-in-the-Middle Attack against Round-Reduced TWINE
TWINE LBlock meet-in-the-middle
2016/1/3
TWINE is a recent lightweight block cipher based on a Feistel structure. We first present two new attacks on TWINE-128 reduced to 25 rounds that have a slightly higher overall complexity than the 25-r...