An end-to-end encrypted chat system based on the OTR protocol.

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• Golang

• UDP protocol
• Communication with Json format between C & S
• Local configuration with Json format
• end-to-end encryption based on OTR protocol

Off-the-Record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations. OTR uses a combination of AES symmetric-key algorithm with 128 bits key length, the Diffie–Hellman key exchange with 1536 bits group size, and the SHA-1 hash function. In addition to authentication and encryption, OTR provides forward secrecy and malleable encryption.

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The client configuration file located at ~\chat-config.json.

Sample

{
	"listen": ":52915",
	"remote": "127.0.0.1",
}

The user should set his ID and nickname when running the client.

./client

The client configuration file located at~\chat-config.json.

Sample

{
	"listen": ":52915",
	"remote": "", //can be empty
}

./server