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Add optional packet encryption #2030

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@Measurity Measurity commented Apr 27, 2023 •
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  • Add RSA API for creating and loading private/public key pairs
  • Add AES API for symmetric encryption of packets
  • Add negotiation between client and server (encrypted using RSA) for which password to use for AES packet encryption
  • Make packet encryption optional via server configuration

Ideally would use DTLS, which prevents decryption of all (recorded) messages (if the private key is ever leaked). But I leave that as a future improvement.

Closes #1996

@Measurity Measurity force-pushed the packet-encrypt branch 9 times, most recently from 43c26fe to 15c8e2b Compare April 27, 2023 21:47
@Measurity Measurity changed the title Added optional packet encryption Add optional packet encryption May 13, 2023
@tornac1234 tornac1234 added the Area: netcode Related to packet serialization and networking algorithms label Dec 23, 2023
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Packet encryption using RSA
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@Measurity @tornac1234