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Mention Eth-PM

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Franck Royer 2021-08-26 16:33:06 +10:00
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guides/encrypt-messages-version-1.md
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@ -262,3 +262,18 @@ waku.relay.addObserver((message) => {
console.log(message.payload); // This payload is decrypted
}, [contentTopic]);
```
## Code Example
The [Eth-PM](https://github.com/status-im/js-waku/tree/main/examples/eth-pm) Web App example demonstrates both the use of symmetric and asymmetric encryption.
Asymmetric encryption is used for private messages so that only the intended recipient can read said messages.
Symmetric encryption is used for the public key messages.
In this instance, the same key is used for all users: the Keccak-256 hash of the content topic (which results in 32 bytes array).
While this does not add functional value, it does demonstrate the usage of symmetric encryption in a web app.
A live version of Eth-PM can be found at https://status-im.github.io/js-waku/eth-pm/.
The specifications of the protocol it implements can be found at [20/TOY-ETH-PM](https://rfc.vac.dev/spec/20/).