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Sideword / Test client · unaudited

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This device

Opening Sideword

Loading saved keys and local history…

Join a conversation

Activate an invite

A P-256 device identity is generated locally. The private key never leaves this browser. Rooms created before the P-256 update require a new invite.

Invite token Display name Room phrase or password (if protected)

Testing only · not independently audited

Keys stay in this browser and messages are encrypted before upload. Use HTTPS anywhere except localhost.

Conversations

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Select a chat

Choose a conversation to view messages.

Message Shift+Enter to send

Pending sends

Conversation details

Compare each full fingerprint with its owner over a separate trusted channel. First-use key pinning is not identity verification. Changed keys block messaging.

Display names are labels, not verified identities. Use public IDs to distinguish participants with the same name.

Message details

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Technical details

Device settings

Device and session

No local identity

Device public ID: No local identity

Local history is encrypted on this device. Reset device permanently removes it and the private key.

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Security information

Testing only. This client is not independently audited. Use HTTPS anywhere except localhost.

Keys stay in this browser and messages are encrypted before upload. The private key never leaves this browser. Local history is encrypted on this device.

Compare each full fingerprint with its owner over a separate trusted channel. First-use key pinning is not identity verification. Changed keys block messaging.

A local pin detects later key changes, not an initial key substitution. Encryption cannot protect against malicious code delivered by this site's server or a compromised device.