XSigi Secure ZIP File
Secure ZIP helps you to protect your ZIP File, so you can share or store them with confidence.
How to Use It
- Upload your ZIP file. [example.zip] https://xsigi.com/documents/secure-zip
- Choose a recipient — pick someone from your Key Book or type in their public key.
- Click “Create Secure ZIP.”
Download your new [example.xsigi.zip] file and share it with your recipient.
Only your chosen recipient can open the Secure ZIP using their private key — even you won’t be able to unlock it once it’s encrypted.
To Decript the File the Recipient has to upload the File to the https://xsigi.com/documents/secure-zip/decrypt Type in there Private Key Password and click on Decrypt & Download ZIP
We unseal your account's private key with your password (in memory only). We open the sealed symmetric key from the envelope with your Curve25519 key. We decrypt the payload with ChaCha20-Poly1305 and stream the ZIP to you. Nothing is stored on the server.