COSE-HPKE Demo

End-to-end encrypted message sharing

Generate New Keypair

Import Key

Saved Keys

Public Keys

No public keys saved

Private Keys

No private keys saved

Encrypt Message

Recipient

Or paste a one-time public key:

Message

Scan QR code or copy link:

Copied!

Decrypt Message

No private keys saved. You need a private key to decrypt messages.

Encrypted message detected in URL:

Or paste encrypted URL/fragment:

Decrypted with key:

How to Use

Generate a keypair in the Keys tab
Save both public and private keys
Share your public key with others (export as hex)
To send a message: Go to Encrypt, select recipient's public key, enter message, click Encrypt
Share the generated URL or QR code
Recipient opens URL to decrypt with their private key

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