SM2 Encryption Tool

Encrypt and decrypt text using China's SM2 public key cryptographic algorithm. All processing is done in your browser - no data is sent to any server.

Key Pair Management

Public Key:

Private Key:

Input Text:

Output:

Instructions

Click "Generate New Key Pair" to create a new public/private key pair
To encrypt: Enter your text and use the public key
To decrypt: Enter encrypted text and use the private key
Use the Copy buttons to copy keys or results to your clipboard

Note: Keep your private key secure and never share it. Only share your public key with others who need to send you encrypted messages.