Differential cryptanalysis of the data encryption standard
Differential cryptanalysis of the data encryption standard
FSE '02 Revised Papers from the 9th International Workshop on Fast Software Encryption
Cryptanalysis of Skipjack reduced to 31 rounds using impossible differentials
EUROCRYPT'99 Proceedings of the 17th international conference on Theory and application of cryptographic techniques
Analysis of the SMS4 block cipher
ACISP'07 Proceedings of the 12th Australasian conference on Information security and privacy
Related-key rectangle attack on 42-round SHACAL-2
ISC'06 Proceedings of the 9th international conference on Information Security
Differential and rectangle attacks on reduced-round SHACAL-1
INDOCRYPT'06 Proceedings of the 7th international conference on Cryptology in India
Cryptanalysis of Reduced-Round SMS4 Block Cipher
ACISP '08 Proceedings of the 13th Australasian conference on Information Security and Privacy
Analysis of Two Attacks on Reduced-Round Versions of the SMS4
ICICS '08 Proceedings of the 10th International Conference on Information and Communications Security
Some New Observations on the SMS4 Block Cipher in the Chinese WAPI Standard
ISPEC '09 Proceedings of the 5th International Conference on Information Security Practice and Experience
Impossible Boomerang Attack for Block Cipher Structures
IWSEC '09 Proceedings of the 4th International Workshop on Security: Advances in Information and Computer Security
Some results on cryptanalysis of SMS4 block cipher
International Journal of Applied Cryptography
Algebraic cryptanalysis of SMS4: gröbner basis attack and SAT attack compared
ICISC'09 Proceedings of the 12th international conference on Information security and cryptology
Differential Fault Analysis on SMS4 using a single fault
Information Processing Letters
Linearity within the SMS4 block cipher
Inscrypt'09 Proceedings of the 5th international conference on Information security and cryptology
Security of the SMS4 block cipher against differential cryptanalysis
Journal of Computer Science and Technology - Special issue on natural language processing
A unified method for finding impossible differentials of block cipher structures
Information Sciences: an International Journal
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SMS4 is a 32-round block cipher with a 128-bit block size and a 128-bit user key. It is used in WAPI, the Chinese WLAN national standard. In this paper, we present a rectangle attack on 14-round SMS4, and an impossible differential attack on 16-round SMS4. These are better than any previously known cryptanalytic results on SMS4 in terms of the numbers of attacked rounds.