ZShield messages + ZME1 files

Protect before you send.

Messages and files are encrypted locally. Paste or attach only the authenticated envelope in CallChat.

Checking live room security callchat.org

Payload

Choose file Up to 50 MB

Private message Recipients need this workspace, the passphrase, and the same pattern file if one is used.

Passphrase

Confirm passphrase

Optional pattern fileA second local factor. Keep the same file. Optional IonQ QPU factorA separate .zqf factor generated by the owner console. Hardware measurement and browser-local entropy both contribute; share it separately.

Open CallChat

Local-only workspace Passphrases, pattern files and plaintext are never sent by this page.

AES-256-GCMAuthenticated payload encryption

PBKDF2-SHA-256600,000 iterations with a random salt

ZMath policyAuthenticated purpose and transport context

QPU factorOptional independent KDF factor with authenticated IonQ job evidence

Matrix E2EEEncrypted transport remains the room security base