This repository contains a simple implementation of a secure TCP client-server application in Rust. The communication between the client and the server is secured using SSL/TLS with public/private key configuration. The server sends data to the client in real-time, and the client prints this data as it is received.

• Asynchronous TCP communication using tokio.
• SSL/TLS encryption using native-tls and tokio-native-tls.
• Public/private key authentication.
• Real-time data transmission from server to client.

• Rust (latest stable version)
• OpenSSL (for generating certificates)

To run the server and client, you need to generate the necessary certificates and keys. You can use OpenSSL to generate these files.

1. Generate a private key:

   openssl genrsa -out key.pem 2048

2. Generate a certificate signing request (CSR):

   openssl req -new -key key.pem -out cert.csr

3. Generate a self-signed certificate:

   openssl x509 -req -days 365 -in cert.csr -signkey key.pem -out cert.pem

4. Convert the key and certificate to PKCS#12 format:

   openssl pkcs12 -export -out identity.pfx -inkey key.pem -in cert.pem

   Use password when prompted for an export password.

1. Navigate to the server directory:

   cd server

2. Ensure you have the required dependencies:

   cargo build --release

3. Run the server:

   cargo run --release

1. Navigate to the client directory:

   cd client

2. Ensure you have the required dependencies:

   cargo build --release

3. Run the client:

   cargo run --release

tls.rs
├── certs
│   ├── cert.csr
│   ├── cert.pem
│   ├── identity.pfx
│   └── key.pem
├── client
│   ├── Cargo.lock
│   ├── Cargo.toml
│   └── src
│       └── main.rs
├── README.md
└── server
    ├── Cargo.lock
    ├── Cargo.toml
    └── src
        └── main.rs

• certs/: Directory containing the certificate and key files.
• client/: Directory containing the client implementation.
  • Cargo.toml: Client dependencies.
  • src/main.rs: Main client implementation.
• server/: Directory containing the server implementation.
  • Cargo.toml: Server dependencies.
  • src/main.rs: Main server implementation.
• README.md: This readme file.