mirror of
https://gitlab.com/futo-org/fcast.git
synced 2025-08-18 05:12:49 +00:00
Added encryption.
This commit is contained in:
Koen
parent
b8bd78d90d
commit
9599c1931e
29 changed files with 1016 additions and 1069 deletions
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@ -1,7 +1,6 @@
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use std::{sync::{atomic::{AtomicBool, Ordering}, Arc}, collections::VecDeque};
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use std::sync::{atomic::{AtomicBool, Ordering}, Arc};
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use crate::{models::{PlaybackUpdateMessage, VolumeUpdateMessage, PlaybackErrorMessage, VersionMessage, KeyExchangeMessage, EncryptedMessage, DecryptedMessage}, transport::Transport};
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use openssl::{dh::Dh, base64, pkey::{Private, PKey}, symm::{Cipher, Crypter, Mode}, bn::BigNum};
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use crate::{models::{PlaybackUpdateMessage, VolumeUpdateMessage, PlaybackErrorMessage, VersionMessage}, transport::Transport};
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use serde::Serialize;
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#[derive(Debug)]
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@ -26,11 +25,8 @@ pub enum Opcode {
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PlaybackError = 9,
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SetSpeed = 10,
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Version = 11,
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KeyExchange = 12,
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Encrypted = 13,
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Ping = 14,
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Pong = 15,
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StartEncryption = 16
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Ping = 12,
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Pong = 13
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}
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impl Opcode {
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@ -48,11 +44,8 @@ impl Opcode {
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9 => Opcode::PlaybackError,
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10 => Opcode::SetSpeed,
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11 => Opcode::Version,
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12 => Opcode::KeyExchange,
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13 => Opcode::Encrypted,
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14 => Opcode::Ping,
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15 => Opcode::Pong,
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16 => Opcode::StartEncryption,
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12 => Opcode::Ping,
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13 => Opcode::Pong,
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_ => panic!("Unknown value: {}", value),
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}
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}
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@ -66,60 +59,24 @@ pub struct FCastSession<'a> {
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bytes_read: usize,
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packet_length: usize,
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stream: Box<dyn Transport + 'a>,
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state: SessionState,
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dh: Option<Dh<Private>>,
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public_key: Option<String>,
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aes_key: Option<Vec<u8>>,
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decrypted_messages_queue: VecDeque<DecryptedMessage>,
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encrypted_messages_queue: VecDeque<EncryptedMessage>,
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encryption_started: bool,
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wait_for_encryption: bool
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state: SessionState
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}
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impl<'a> FCastSession<'a> {
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pub fn new<T: Transport + 'a>(stream: T, encrypted: bool) -> Result<Self, Box<dyn std::error::Error>> {
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let (dh, public_key) = if encrypted {
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println!("Initialized DH.");
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generate_key_pair()?
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} else {
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(None, None)
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};
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Ok(FCastSession {
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pub fn new<T: Transport + 'a>(stream: T) -> Self {
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return FCastSession {
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buffer: vec![0; MAXIMUM_PACKET_LENGTH],
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bytes_read: 0,
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packet_length: 0,
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stream: Box::new(stream),
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state: SessionState::Idle,
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wait_for_encryption: dh.is_some(),
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dh,
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public_key,
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aes_key: None,
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decrypted_messages_queue: VecDeque::new(),
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encrypted_messages_queue: VecDeque::new(),
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encryption_started: false
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})
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state: SessionState::Idle
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}
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}
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}
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impl FCastSession<'_> {
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pub fn send_message<T: Serialize>(&mut self, opcode: Opcode, message: T) -> Result<(), Box<dyn std::error::Error>> {
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let json = serde_json::to_string(&message)?;
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if opcode != Opcode::Encrypted && opcode != Opcode::KeyExchange && opcode != Opcode::StartEncryption {
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if self.encryption_started {
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println!("Sending encrypted with opcode {:?}.", opcode);
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let decrypted_message = DecryptedMessage::new(opcode as u64, Some(json));
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let encrypted_message = encrypt_message(&self.aes_key.as_ref().unwrap(), &decrypted_message)?;
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return self.send_message(Opcode::Encrypted, &encrypted_message)
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} else if self.wait_for_encryption {
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println!("Queued message with opcode {:?} until encryption is established.", opcode);
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let decrypted_message = DecryptedMessage::new(opcode as u64, Some(json));
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self.decrypted_messages_queue.push_back(decrypted_message);
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return Ok(());
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}
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}
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let data = json.as_bytes();
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let size = 1 + data.len();
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let header_size = LENGTH_BYTES + 1;
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@ -134,19 +91,6 @@ impl FCastSession<'_> {
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}
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pub fn send_empty(&mut self, opcode: Opcode) -> Result<(), Box<dyn std::error::Error>> {
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if opcode != Opcode::Encrypted && opcode != Opcode::KeyExchange && opcode != Opcode::StartEncryption {
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let decrypted_message = DecryptedMessage::new(opcode as u64, None);
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if self.encryption_started {
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println!("Sending encrypted with opcode {:?}.", opcode);
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let encrypted_message = encrypt_message(&self.aes_key.as_ref().unwrap(), &decrypted_message)?;
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return self.send_message(Opcode::Encrypted, &encrypted_message)
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} else if self.wait_for_encryption {
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println!("Queued message with opcode {:?} until encryption is established.", opcode);
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self.decrypted_messages_queue.push_back(decrypted_message);
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return Ok(());
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}
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}
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let json = String::new();
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let data = json.as_bytes();
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let size = 1 + data.len();
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@ -159,22 +103,13 @@ impl FCastSession<'_> {
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Ok(())
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}
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pub fn receive_loop(&mut self, running: &Arc<AtomicBool>, until_queues_are_empty: bool) -> Result<(), Box<dyn std::error::Error>> {
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if let Some(pk) = &self.public_key {
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println!("Sending public key.");
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self.send_message(Opcode::KeyExchange, &KeyExchangeMessage::new(1, pk.clone()))?;
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}
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pub fn receive_loop(&mut self, running: &Arc<AtomicBool>) -> Result<(), Box<dyn std::error::Error>> {
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println!("Start receiving.");
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self.state = SessionState::WaitingForLength;
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let mut buffer = [0u8; 1024];
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while running.load(Ordering::SeqCst) {
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if until_queues_are_empty && self.are_queues_empty() {
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break;
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}
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let bytes_read = self.stream.transport_read(&mut buffer)?;
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self.process_bytes(&buffer[..bytes_read])?;
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}
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@ -323,68 +258,11 @@ impl FCastSession<'_> {
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println!("Received version with no body.");
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}
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}
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Opcode::KeyExchange => {
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if let Some(body_str) = body {
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match serde_json::from_str::<KeyExchangeMessage>(body_str.as_str()) {
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Ok(key_exchange_message) => {
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if let Some(dh) = &self.dh {
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println!("Received key exchange message {:?}", key_exchange_message);
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self.aes_key = Some(compute_shared_secret(dh, &key_exchange_message)?);
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self.send_empty(Opcode::StartEncryption)?;
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println!("Processing queued encrypted messages to handle.");
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while let Some(encrypted_message) = self.encrypted_messages_queue.pop_front() {
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let decrypted_message = decrypt_message(&self.aes_key.as_ref().unwrap(), &encrypted_message)?;
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self.handle_packet(Opcode::from_u8(decrypted_message.opcode as u8), decrypted_message.message)?;
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}
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} else {
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println!("Received key exchange message while encryption is diabled {:?}", key_exchange_message);
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}
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},
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Err(e) => println!("Received key exchange with malformed body: {}.", e)
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};
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} else {
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println!("Received key exchange with no body.");
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}
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}
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Opcode::Encrypted => {
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if let Some(body_str) = body {
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if let Ok(encrypted_message) = serde_json::from_str::<EncryptedMessage>(body_str.as_str()) {
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println!("Received encrypted message {:?}", encrypted_message);
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if self.aes_key.is_some() {
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println!("Decrypting and handling encrypted message.");
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let decrypted_message = decrypt_message(&self.aes_key.as_ref().unwrap(), &encrypted_message)?;
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self.handle_packet(Opcode::from_u8(decrypted_message.opcode as u8), decrypted_message.message)?;
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} else {
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println!("Queued encrypted message until encryption is established.");
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self.encrypted_messages_queue.push_back(encrypted_message);
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if self.encrypted_messages_queue.len() > 15 {
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self.encrypted_messages_queue.pop_front();
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}
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}
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} else {
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println!("Received encrypted with malformed body.");
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}
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} else {
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println!("Received encrypted with no body.");
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}
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}
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Opcode::Ping => {
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println!("Received ping");
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self.send_empty(Opcode::Pong)?;
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println!("Sent pong");
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}
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Opcode::StartEncryption => {
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self.encryption_started = true;
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println!("Processing queued decrypted messages to send.");
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while let Some(decrypted_message) = self.decrypted_messages_queue.pop_front() {
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let encrypted_message = encrypt_message(&self.aes_key.as_ref().unwrap(), &decrypted_message)?;
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self.send_message(Opcode::Encrypted, &encrypted_message)?;
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}
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}
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_ => {
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println!("Error handling packet");
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}
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@ -393,184 +271,7 @@ impl FCastSession<'_> {
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Ok(())
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}
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fn are_queues_empty(&self) -> bool {
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return self.decrypted_messages_queue.is_empty() && self.encrypted_messages_queue.is_empty();
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}
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pub fn shutdown(&mut self) -> Result<(), std::io::Error> {
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return self.stream.transport_shutdown();
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}
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}
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fn generate_key_pair() -> Result<(Option<Dh<Private>>, Option<String>), Box<dyn std::error::Error>> {
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//modp14
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let p = "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";
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let g = "2";
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let v = Dh::from_pqg(BigNum::from_hex_str(p)?, None, BigNum::from_hex_str(g)?)?.generate_key()?;
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let private = v.private_key().to_owned()?;
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let dh2 = Dh::from_pqg(BigNum::from_hex_str(p)?, None, BigNum::from_hex_str(g)?)?.set_private_key(private)?;
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let pkey = PKey::from_dh(dh2)?;
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let public_key_der = pkey.public_key_to_der()?;
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let public_key_base64 = base64::encode_block(public_key_der.as_ref());
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Ok((Some(v), Some(public_key_base64)))
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}
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fn encrypt_message(aes_key: &Vec<u8>, decrypted_message: &DecryptedMessage) -> Result<EncryptedMessage, Box<dyn std::error::Error>> {
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let cipher = Cipher::aes_256_cbc();
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let iv_len = cipher.iv_len().ok_or("Cipher does not support IV")?;
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let mut iv = vec![0; iv_len];
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openssl::rand::rand_bytes(&mut iv)?;
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let mut crypter = Crypter::new(
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cipher,
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Mode::Encrypt,
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aes_key,
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Some(&iv)
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)?;
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crypter.pad(true);
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let json = serde_json::to_string(decrypted_message)?;
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let mut ciphertext = vec![0; json.len() + cipher.block_size()];
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let count = crypter.update(json.as_bytes(), &mut ciphertext)?;
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let rest = crypter.finalize(&mut ciphertext[count..])?;
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ciphertext.truncate(count + rest);
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Ok(EncryptedMessage::new(1, Some(base64::encode_block(&iv)), base64::encode_block(&ciphertext)))
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}
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fn decrypt_message(aes_key: &Vec<u8>, encrypted_message: &EncryptedMessage) -> Result<DecryptedMessage, Box<dyn std::error::Error>> {
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if encrypted_message.iv.is_none() {
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return Err("IV is required for decryption.".into());
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}
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let cipher = Cipher::aes_256_cbc();
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let iv = base64::decode_block(&encrypted_message.iv.as_ref().unwrap())?;
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let ciphertext = base64::decode_block(&encrypted_message.blob)?;
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let mut crypter = Crypter::new(
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cipher,
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Mode::Decrypt,
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aes_key,
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Some(&iv)
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)?;
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crypter.pad(true);
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let mut plaintext = vec![0; ciphertext.len() + cipher.block_size()];
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let count = crypter.update(&ciphertext, &mut plaintext)?;
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let rest = crypter.finalize(&mut plaintext[count..])?;
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plaintext.truncate(count + rest);
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let decrypted_str = String::from_utf8(plaintext)?;
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Ok(serde_json::from_str(&decrypted_str)?)
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}
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fn compute_shared_secret(dh: &Dh<Private>, key_exchange_message: &KeyExchangeMessage) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
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let peer_public_key_der = base64::decode_block(&key_exchange_message.public_key)?;
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let peer_public_key = PKey::public_key_from_der(&peer_public_key_der)?;
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let peer_dh = peer_public_key.dh()?;
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let peer_pub_key = peer_dh.public_key();
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let shared_secret = dh.compute_key(&peer_pub_key)?;
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let digest = openssl::hash::hash(openssl::hash::MessageDigest::sha256(), &shared_secret)?.to_vec();
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Ok(digest)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use openssl::base64;
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#[test]
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fn test_dh_encryption_self() {
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let (key_pair1, public_key1) = generate_key_pair().unwrap();
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let (key_pair2, public_key2) = generate_key_pair().unwrap();
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let aes_key1 = compute_shared_secret(&key_pair1.unwrap(), &KeyExchangeMessage::new(1, public_key2.unwrap())).unwrap();
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let aes_key2 = compute_shared_secret(&key_pair2.unwrap(), &KeyExchangeMessage::new(1, public_key1.unwrap())).unwrap();
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assert_eq!(aes_key1, aes_key2);
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let message = DecryptedMessage {
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opcode: 1,
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message: Some(r#"{"type": "text/html"}"#.to_string()),
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};
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let encrypted_message = encrypt_message(&aes_key1, &message).unwrap();
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let decrypted_message = decrypt_message(&aes_key1, &encrypted_message).unwrap();
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assert_eq!(message.opcode, decrypted_message.opcode);
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assert_eq!(message.message, decrypted_message.message);
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}
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#[test]
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fn test_dh_encryption_known() {
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let private_key1 = base64::decode_block("MIIDJwIBADCCAhgGCSqGSIb3DQEDATCCAgkCggEBAJVHXPXZPllsP80dkCrdAvQn9fPHIQMTu0X7TVuy5f4cvWeM1LvdhMmDa+HzHAd3clrrbC/Di4X0gHb6drzYFGzImm+y9wbdcZiYwgg9yNiW+EBi4snJTRN7BUqNgJatuNUZUjmO7KhSoK8S34Pkdapl1OwMOKlWDVZhGG/5i5/J62Du6LAwN2sja8c746zb10/WHB0kdfowd7jwgEZ4gf9+HKVv7gZteVBq3lHtu1RDpWOSfbxLpSAIZ0YXXIiFkl68ZMYUeQZ3NJaZDLcU7GZzBOJh+u4zs8vfAI4MP6kGUNl9OQnJJ1v0rIb/yz0D5t/IraWTQkLdbTvMoqQGywsCggEAQt67naWz2IzJVuCHh+w/Ogm7pfSLiJp0qvUxdKoPvn48W4/NelO+9WOw6YVgMolgqVF/QBTTMl/Hlivx4Ek3DXbRMUp2E355Lz8NuFnQleSluTICTweezy7wnHl0UrB3DhNQeC7Vfd95SXnc7yPLlvGDBhllxOvJPJxxxWuSWVWnX5TMzxRJrEPVhtC+7kMlGwsihzSdaN4NFEQD8T6AL0FG2ILgV68ZtvYnXGZ2yPoOPKJxOjJX/Rsn0GOfaV40fY0c+ayBmibKmwTLDrm3sDWYjRW7rGUhKlUjnPx+WPrjjXJQq5mR/7yXE0Al/ozgTEOZrZZWm+kaVG9JeGk8egSCAQQCggEAECNvEczf0y6IoX/IwhrPeWZ5IxrHcpwjcdVAuyZQLLlOq0iqnYMFcSD8QjMF8NKObfZZCDQUJlzGzRsG0oXsWiWtmoRvUZ9tQK0j28hDylpbyP00Bt9NlMgeHXkAy54P7Z2v/BPCd3o23kzjgXzYaSRuCFY7zQo1g1IQG8mfjYjdE4jjRVdVrlh8FS8x4OLPeglc+cp2/kuyxaVEfXAG84z/M8019mRSfdczi4z1iidPX6HgDEEWsN42Ud60mNKy5jsQpQYkRdOLmxR3+iQEtGFjdzbVhVCUr7S5EORU9B1MOl5gyPJpjfU3baOqrg6WXVyTvMDaA05YEnAHQNOOfA==").unwrap();
|
||||
let key_exchange_message_2 = KeyExchangeMessage::new(1, "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".to_string());
|
||||
|
||||
let private_key = PKey::private_key_from_der(&private_key1).unwrap();
|
||||
let dh = private_key.dh().unwrap();
|
||||
|
||||
let aes_key1 = compute_shared_secret(&dh, &key_exchange_message_2).unwrap();
|
||||
assert_eq!(base64::encode_block(&aes_key1), "vI5LGE625zGEG350ggkyBsIAXm2y4sNohiPcED1oAEE=");
|
||||
|
||||
let message = DecryptedMessage {
|
||||
opcode: 1,
|
||||
message: Some(r#"{"type": "text/html"}"#.to_string()),
|
||||
};
|
||||
let encrypted_message = encrypt_message(&aes_key1, &message).unwrap();
|
||||
let decrypted_message = decrypt_message(&aes_key1, &encrypted_message).unwrap();
|
||||
|
||||
assert_eq!(message.opcode, decrypted_message.opcode);
|
||||
assert_eq!(message.message, decrypted_message.message);
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_decrypt_message_known() {
|
||||
let encrypted_message_json = r#"{"version":1,"iv":"C4H70VC5FWrNtkty9/cLIA==","blob":"K6/N7JMyi1PFwKhU0mFj7ZJmd/tPp3NCOMldmQUtDaQ7hSmPoIMI5QNMOj+NFEiP4qTgtYp5QmBPoQum6O88pA=="}"#;
|
||||
let encrypted_message: EncryptedMessage = serde_json::from_str(encrypted_message_json).unwrap();
|
||||
let aes_key_base64 = "+hr9Jg8yre7S9WGUohv2AUSzHNQN514JPh6MoFAcFNU=";
|
||||
let aes_key = base64::decode_block(aes_key_base64).unwrap();
|
||||
|
||||
let decrypted_message = decrypt_message(&aes_key, &encrypted_message).unwrap();
|
||||
assert_eq!(1, decrypted_message.opcode);
|
||||
assert_eq!("{\"container\":\"text/html\"}", decrypted_message.message.unwrap());
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_aes_key_generation() {
|
||||
let cases = vec![
|
||||
(
|
||||
// Public other
|
||||
String::from("MIIBHzCBlQYJKoZIhvcNAQMBMIGHAoGBAP//////////yQ/aoiFowjTExmKLgNwc0SkCTgiKZ8x0Agu+pjsTmyJRSgh5jjQE3e+VGbPNOkMbMCsKbfJfFDdP4TVtbVHCReSFtXZiXn7G9ExC6aY37WsL/1y29Aa37e44a/taiZ+lrp8kEXxLH+ZJKGZR7OZTgf//////////AgECA4GEAAKBgEnOS0oHteVA+3kND3u4yXe7GGRohy1LkR9Q5tL4c4ylC5n4iSwWSoIhcSIvUMWth6KAhPhu05sMcPY74rFMSS2AGTNCdT/5KilediipuUMdFVvjGqfNMNH1edzW5mquIw3iXKdfQmfY/qxLTI2wccyDj4hHFhLCZL3Y+shsm3KF"),
|
||||
// Private self
|
||||
String::from("MIIBIQIBADCBlQYJKoZIhvcNAQMBMIGHAoGBAP//////////yQ/aoiFowjTExmKLgNwc0SkCTgiKZ8x0Agu+pjsTmyJRSgh5jjQE3e+VGbPNOkMbMCsKbfJfFDdP4TVtbVHCReSFtXZiXn7G9ExC6aY37WsL/1y29Aa37e44a/taiZ+lrp8kEXxLH+ZJKGZR7OZTgf//////////AgECBIGDAoGAeo/ceIeH8Jt1ZRNKX5aTHkMi23GCV1LtcS2O6Tktn9k8DCv7gIoekysQUhMyWtR+MsZlq2mXjr1JFpAyxl89rqoEPU6QDsGe9q8R4O8eBZ2u+48mkUkGSh7xPGRQUBvmhH2yk4hIEA8aK4BcYi1OTsCZtmk7pQq+uaFkKovD/8M="),
|
||||
// Expected AES key
|
||||
String::from("7dpl1/6KQTTooOrFf2VlUOSqgrFHi6IYxapX0IxFfwk="),
|
||||
),
|
||||
(
|
||||
// Public other
|
||||
String::from("MIIBHzCBlQYJKoZIhvcNAQMBMIGHAoGBAP//////////yQ/aoiFowjTExmKLgNwc0SkCTgiKZ8x0Agu+pjsTmyJRSgh5jjQE3e+VGbPNOkMbMCsKbfJfFDdP4TVtbVHCReSFtXZiXn7G9ExC6aY37WsL/1y29Aa37e44a/taiZ+lrp8kEXxLH+ZJKGZR7OZTgf//////////AgECA4GEAAKBgGvIlCP/S+xpAuNEHSn4cEDOL1esUf+uMuY2Kp5J10a7HGbwzNd+7eYsgEc4+adddgB7hJgTvjsGg7lXUhHQ7WbfbCGgt7dbkx8qkic6Rgq4f5eRYd1Cgidw4MhZt7mEIOKrHweqnV6B9rypbXjbqauc6nGgtwx+Gvl6iLpVATRK"),
|
||||
// Private self
|
||||
String::from("MIIBIQIBADCBlQYJKoZIhvcNAQMBMIGHAoGBAP//////////yQ/aoiFowjTExmKLgNwc0SkCTgiKZ8x0Agu+pjsTmyJRSgh5jjQE3e+VGbPNOkMbMCsKbfJfFDdP4TVtbVHCReSFtXZiXn7G9ExC6aY37WsL/1y29Aa37e44a/taiZ+lrp8kEXxLH+ZJKGZR7OZTgf//////////AgECBIGDAoGAMXmiIgWyutbaO+f4UiMAb09iVVSCI6Lb6xzNyD2MpUZyk4/JOT04Daj4JeCKFkF1Fq79yKhrnFlXCrF4WFX00xUOXb8BpUUUH35XG5ApvolQQLL6N0om8/MYP4FK/3PUxuZAJz45TUsI/v3u6UqJelVTNL83ltcFbZDIfEVftRA="),
|
||||
// Expected AES key
|
||||
String::from("a2tUSxnXifKohfNocAQHkAlPffDv6ReihJ7OojBGt0Q=")
|
||||
)
|
||||
];
|
||||
|
||||
for case in cases {
|
||||
let private_self_key = base64::decode_block(&case.1).expect("Invalid base64 for private self key");
|
||||
let expected_aes_key = base64::decode_block(&case.2).expect("Invalid base64 for expected AES key");
|
||||
|
||||
let private_key = PKey::private_key_from_der(&private_self_key).expect("Failed to create private key");
|
||||
let dh = private_key.dh().expect("Failed to create DH from private key");
|
||||
let key_exchange_message = KeyExchangeMessage::new(1, case.0);
|
||||
|
||||
let aes_key = compute_shared_secret(&dh, &key_exchange_message).expect("Failed to compute shared secret");
|
||||
let aes_key_base64 = base64::encode_block(&aes_key);
|
||||
|
||||
assert_eq!(aes_key_base64, base64::encode_block(&expected_aes_key), "AES keys do not match");
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue