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Table 1 SIMON parameters

From: Searching for impossible subspace trails and improved impossible differential characteristics for SIMON-like block ciphers

block size 2n

key size mn

rounds T

32

64

32

48

72

36

 

96

36

64

96

42

 

128

44

96

96

52

 

144

54

128

128

68

 

192

99

 

256

72