Security

SM2 Encryption and Decryption

Use SM2 Encryption and Decryption online for free. Adjust the available options and process your data locally in your browser, with no installation or sign-up.

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Your data is processed only in your browser

Features and usage

Enter your content or choose the options above, then review the result. Tool calculations run locally in your browser.

Available options

  • Operation (Generate key pair, Encrypt, Decrypt, Sign, Verify)
  • Private key (hex)
  • Public key (hex)
  • Signature (hex)
Example input
Hello Toolbox
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