This tool generates SM3 hashes with flexible input/output encoding options, processed locally in your browser.
Key Features
- SM3 digest generation for text input
- Input formats: Text/Base64/Hex/Spaced Hex/C-style Hex
- Output formats: Hex/Base64/Spaced Hex/C-style Hex
- One-click copy of hash result
Steps
- Enter content to hash.
- Choose input/output formats.
- Run hash calculation and copy the result.
Use Cases
- Digest pre-processing in SM signing workflows
- Message and payload integrity markers
- SM3 testing and interoperability checks
Notes
- Hashing is one-way and cannot be reversed.
- Encoding and whitespace differences change digest output.
- Align encoding rules before cross-system verification.