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SM3
General
DesignersState Cryptography Administration
First published2010

ShangMi 3 (SM3) is a cryptographic hash function, standardised for use in commercial cryptography in China.[1] It was published by the State Cryptography Administration (Chinese: 国家密码管理局) on 2010-12-17[2][3] as "GM/T 0004-2012: SM3 cryptographic hash algorithm".[2]

SM3 is used for implementing digital signatures, message authentication codes, and pseudorandom number generators.[4] The algorithm is public[5][6] and is considered similar to SHA-256 in security and efficiency.[7] SM3 can be used with Transport Layer Security[8] although it is not enabled by default.

Attacks

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Cryptanalysis

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Shen Y Z, Bai D X, Yu H B. Improved cryptanalysis of step-reduced SM3. Sci China Inf Sci, 2018, 61(3): 038105, doi: 10.1007/s11432-017-9119-6

Side channel

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Christophe Clavier and Leo Reynaud and Antoine Wurcker. Yet Another Side Channel Cryptanalysis on SM3 Hash Algorithm (2019). https://eprint.iacr.org/2019/346.

Definitive standards

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SM3 is defined in each of:

  • GM/T 0004-2012: SM3 cryptographic hash algorithm[2]
  • GB/T 32905-2016: Information security techniques—SM3 cryptographic hash algorithm[9]
  • ISO/IEC 10118-3:2018—IT Security techniques—Hash-functions—Part 3: Dedicated hash-functions
  • IETF RFC draft-sca-cfrg-sm3-02[4]

References

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  1. ^ Martinkauppi, Louise Bergman; He, Qiuping; Ilie, Dragos (June 2020). "On the Design and Performance of Chinese OSCCA-approved Cryptographic Algorithms". 2020 13th International Conference on Communications (COMM). pp. 119–124. doi:10.1109/COMM48946.2020.9142035. ISBN 978-1-7281-5611-8. S2CID 220668639.
  2. ^ a b c "Announcement No.23 of the State Cryptography Administration" (in Chinese (China)). The Office of the State Commercial Code Administration (OSCCA). 2012-03-21. Archived from the original on 2016-08-14. Retrieved 2016-07-24.
  3. ^ "SM3 cryptographic hash algorithm" (in Chinese (China)). CNNIC. 2013-12-04. Archived from the original on 2016-09-19. Retrieved 2016-07-24.
  4. ^ a b "The SM3 Cryptographic Hash Function". Internet Engineering Task Force. 2018-01-08. Retrieved 2023-11-16.
  5. ^ "Announcement No.22 of the State Cryptography Administration" (in Chinese (China)). The Office of the State Commercial Code Administration (OSCCA). 2010-12-17. Retrieved 2016-08-06.[permanent dead link]
  6. ^ "SM3 cryptographic hash algorithm" (PDF) (in Chinese (China)).
  7. ^ "An Efficient and Low-Power Design of the SM3 Hash Algorithm for IoT". Electronics. 2019-09-11. Retrieved 2021-02-11.
  8. ^ Yang, P (March 2021). RFC 8998. IETF. doi:10.17487/RFC8998. Retrieved 2022-07-30.
  9. ^ Wang Xiaoyun. SM3 Cryptographic Hash Algorithm[J]. Journal of Information Security Research, 2016, 2(11): 983-994.

See also

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