tiny-tls 0.1.0

A soon to be minimimalistic TLSv1.3 server/client only supporting PSK
Documentation 
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use std::io::{Read, Write};


fn main() {
    let mut args = std::env::args();
    let bin_name = args.next().unwrap();
    let ip = args.next().unwrap();

    let mut conn = std::net::TcpStream::connect(ip).unwrap();

    let mut ch = Vec::new();

    // Handshake record
    ch.push(0x16);

    // TLS 1.0 version number
    ch.extend_from_slice(&[0x3, 0x1]);
    
    // Payload length, to be updated
    ch.extend_from_slice(&[0x0, 0xf8]);
    assert!(ch.len() == 5);

    // Handshake header
    ch.push(1);
    // Remaining client payload
    ch.extend_from_slice(&[0, 0, 0xf4]);

    // Client version of tls 1.2, ssl 3.0 was 3, 0
    ch.extend_from_slice(&[3, 3]);

    // Client random data
    ch.extend_from_slice(&[0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,0x1e,0x1f]);

    // Fake tls 1.2 session id
    // Session id length
    ch.push(0x20);
    // Fake session id
    ch.extend_from_slice(&[0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea,0xeb,0xec,0xed,0xee,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff        ]);



    conn.write_all(&ch).unwrap();
    let mut out = Vec::new();

    let bytes_read = conn.read_to_end(&mut out).unwrap();

    println!("{bytes_read} bytes_read");
    println!("out: {out:?}");
}