21 lines
735 B
Markdown
21 lines
735 B
Markdown
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# ICRC - Concepts
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## Client
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A user or bot. Or to be more precise: the program something uses to communicate with the icrc server.
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## Relay
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A relay is like a group chat. Clients that are part of a relay have the key to it. The server proofs if a client has
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access to a relay by hashing the clients key to that relay and comparing it with a saved hash.
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### User index
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Every relay has their own user index, which has the following columns:
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- **userid_relay**: The id that other users use to identify a user in this relay.
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- **userid_main**: The users "real" id. (The id they use to authenticate.)
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- **name**: The users nickname in this relay.
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- **public_key**: The public key to exchange symmetric encryption keys with that user.
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