Why This Matters
Noise powers WireGuard, Lightning Network, and WhatsApp's transport layer — composable security without TLS complexity. Choose a handshake pattern, and the security properties follow. No negotiation, no downgrade attacks, no certificate authorities required.
Pattern Selector
Select a Noise handshake pattern to explore its message flow and security properties.
Message Sequence
Security Properties
Real-World Use
Token Legend
Handshake Walkthrough
Step through each handshake message to see DH operations, key evolution, and hash updates.
Transport Phase
After handshake completion, encrypt and decrypt messages with the derived transport keys.
Nonce counter:
0
(exhaustion at 264 — rekey required)
Pattern Comparison
Side-by-side comparison of key Noise patterns and their security properties.