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fix: messageHash in 57 (#22)

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Jimmy Debe 2024-06-14 10:51:31 -04:00 committed by GitHub
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@ -367,7 +367,7 @@ Operators can freely choose how they want to generate, and distribute the public
The following concepts are introduced: The following concepts are introduced:
* `private-key-topic`: A private key of 32 bytes, that allows the holder to sign messages and it's mapped to a `protected-pubsub-topic`. * `private-key-topic`: A private key of 32 bytes, that allows the holder to sign messages and it's mapped to a `protected-pubsub-topic`.
* `app-message-hash`: Application `WakuMessage` hash, calculated as `sha256(concat(pubsubTopic, payload, contentTopic))` with all elements in bytes. * `app-message-hash`: Application `WakuMessage` hash, calculated as `sha256(concat(pubsubTopic, payload, contentTopic, timestamp, ephemeral))` with all elements in bytes.
* `message-signature`: ECDSA signature of `application-message-hash` using a given `private-key-topic`, 64 bytes. * `message-signature`: ECDSA signature of `application-message-hash` using a given `private-key-topic`, 64 bytes.
* `public-key-topic`: The equivalent public key of `private-key-topic`. * `public-key-topic`: The equivalent public key of `private-key-topic`.
* `protected-pubsub-topic`: Pubsub topic that only accepts messages that were signed with `private-key-topic`, where `verify(message-signature, app-message-hash, public-key-topic)` is only correct if the `message-signature` was produced by `private-key-topic`. See ECDSA signature verification algorithm. * `protected-pubsub-topic`: Pubsub topic that only accepts messages that were signed with `private-key-topic`, where `verify(message-signature, app-message-hash, public-key-topic)` is only correct if the `message-signature` was produced by `private-key-topic`. See ECDSA signature verification algorithm.