Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2021/01/01 Vol. E104-ANo. 1pp. 203-212 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Keyword: stream cipher, KCipher-2, differential attack, active S-box, MILP,
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2020/11/01 Vol. E103-ANo. 11pp. 1260-1273 Type of Manuscript: PAPER Category: Cryptography and Information Security Keyword: hash function, Troika, (second) preimage, guess-and-determine, divide-and-conquer, MILP,