Cryptology ePrint Archive: Report 2013/328
Available versions in chronological order
20130602:170111 (posted 02-Jun-2013 17:01:11 UTC)
A Proof that the ARX Cipher Salsa20 is Secure against Differential Cryptanalysis
Nicky Mouha and Bart Preneel
20131113:001621 (posted 13-Nov-2013 00:16:21 UTC)
Towards Finding Optimal Differential Characteristics for ARX: Application to Salsa20
Nicky Mouha and Bart Preneel
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