SM3

Calculate SM3 for text or file bytes.



FAQ

Where is data processed?

In your browser. Inputs are not uploaded.

What is supported?

Only the listed modes and finite examples are covered; this is not an all-input proof.

Other Languages

SM3 — Base64.sh

SM3

Calculate SM3 for text or file bytes.

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References

How we make sure

We check this tool with the automated test suites linked below. Example checks are shown in their original language.

Verification method
Check the published abc digest and independently compare Chinese input with Node SM3.
Comparison reference
Node.js 24.22.1 crypto (OpenSSL 3.5.9) SM3 and the fixed abc vector 66c7f0f4…8f4ba8e0.
Verification scope
Only the listed modes and finite examples are covered; this is not an all-input proof.
Test source and cases (select a file to read it)

These checks cover the listed examples and boundaries, not every possible input. Round trips and checks using the same library are not independent verification.