Offline Customization And Identification Protocol (OCAIP)

Allows connections to a server even when auth servers are unreachable.

The goal is to just to add a bit of auth to offline-mode, while allowing normal online connections.

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Download

1.20.2 - 1.20.4 - 1.3.5
1.20 - 1.20.1 - 1.3.2
1.19.3 - 1.19.4 - 1.3.1
1.19.2 - 1.2.5
1.18.2 - 1.2.5-1.18.2

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Features:

• Offline logins can be restricted by a registration password

• Offline logins can be restricted by a registration proof of work

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How it works (in a nutshell):

1. Client creates a private key (this is kindof like a password but more secure)
2. Client connects to server
3. If the client hasn't connected before the server will prompt a registration password/proof of work
4. The server will remember the public key and later logins will be seamless

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Q&A:

• Where's the private key stored?

  The private key is stored in .minecraft/ocaip.key
  keeping a backup of the key is recommemded as losing it means
  you won't be able to access that account and will have to contact an admin or create a new one.

• How to reset user's account if they lost their public key (server sided)?

  Server hosts public keys are located in ocaip/server_keys. If a user lost their original public key you can reset the account by removing their name and the key underneath the name

• My skin is the default one, can I change that?

  To have a skin, place your 64x64 pixel skin file into .minecraft/ocaip_skin.png.

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OCAIP: because the acronym kindof sounds like "Oh, Cape" (due to the migrator cape).

What it looks like:

1.mp4