+++ /dev/null
-use ln::msgs::HandleError;
-use ln::msgs;
-
-use bitcoin_hashes::{Hash, HashEngine, Hmac, HmacEngine};
-use bitcoin_hashes::sha256::Hash as Sha256;
-
-use secp256k1::Secp256k1;
-use secp256k1::key::{PublicKey,SecretKey};
-use secp256k1::ecdh::SharedSecret;
-use secp256k1;
-
-use util::chacha20poly1305rfc::ChaCha20Poly1305RFC;
-use util::byte_utils;
-
-// Sha256("Noise_XK_secp256k1_ChaChaPoly_SHA256")
-const NOISE_CK: [u8; 32] = [0x26, 0x40, 0xf5, 0x2e, 0xeb, 0xcd, 0x9e, 0x88, 0x29, 0x58, 0x95, 0x1c, 0x79, 0x42, 0x50, 0xee, 0xdb, 0x28, 0x00, 0x2c, 0x05, 0xd7, 0xdc, 0x2e, 0xa0, 0xf1, 0x95, 0x40, 0x60, 0x42, 0xca, 0xf1];
-// Sha256(NOISE_CK || "lightning")
-const NOISE_H: [u8; 32] = [0xd1, 0xfb, 0xf6, 0xde, 0xe4, 0xf6, 0x86, 0xf1, 0x32, 0xfd, 0x70, 0x2c, 0x4a, 0xbf, 0x8f, 0xba, 0x4b, 0xb4, 0x20, 0xd8, 0x9d, 0x2a, 0x04, 0x8a, 0x3c, 0x4f, 0x4c, 0x09, 0x2e, 0x37, 0xb6, 0x76];
-
-pub enum NextNoiseStep {
- ActOne,
- ActTwo,
- ActThree,
- NoiseComplete,
-}
-
-#[derive(PartialEq)]
-enum NoiseStep {
- PreActOne,
- PostActOne,
- PostActTwo,
- // When done swap noise_state for NoiseState::Finished
-}
-
-struct BidirectionalNoiseState {
- h: [u8; 32],
- ck: [u8; 32],
-}
-enum DirectionalNoiseState {
- Outbound {
- ie: SecretKey,
- },
- Inbound {
- ie: Option<PublicKey>, // filled in if state >= PostActOne
- re: Option<SecretKey>, // filled in if state >= PostActTwo
- temp_k2: Option<[u8; 32]>, // filled in if state >= PostActTwo
- }
-}
-enum NoiseState {
- InProgress {
- state: NoiseStep,
- directional_state: DirectionalNoiseState,
- bidirectional_state: BidirectionalNoiseState,
- },
- Finished {
- sk: [u8; 32],
- sn: u64,
- sck: [u8; 32],
- rk: [u8; 32],
- rn: u64,
- rck: [u8; 32],
- }
-}
-
-pub struct PeerChannelEncryptor {
- secp_ctx: Secp256k1<secp256k1::SignOnly>,
- their_node_id: Option<PublicKey>, // filled in for outbound, or inbound after noise_state is Finished
-
- noise_state: NoiseState,
-}
-
-impl PeerChannelEncryptor {
- pub fn new_outbound(their_node_id: PublicKey, ephemeral_key: SecretKey) -> PeerChannelEncryptor {
- let secp_ctx = Secp256k1::signing_only();
-
- let mut sha = Sha256::engine();
- sha.input(&NOISE_H);
- sha.input(&their_node_id.serialize()[..]);
- let h = Sha256::from_engine(sha).into_inner();
-
- PeerChannelEncryptor {
- their_node_id: Some(their_node_id),
- secp_ctx: secp_ctx,
- noise_state: NoiseState::InProgress {
- state: NoiseStep::PreActOne,
- directional_state: DirectionalNoiseState::Outbound {
- ie: ephemeral_key,
- },
- bidirectional_state: BidirectionalNoiseState {
- h: h,
- ck: NOISE_CK,
- },
- }
- }
- }
-
- pub fn new_inbound(our_node_secret: &SecretKey) -> PeerChannelEncryptor {
- let secp_ctx = Secp256k1::signing_only();
-
- let mut sha = Sha256::engine();
- sha.input(&NOISE_H);
- let our_node_id = PublicKey::from_secret_key(&secp_ctx, our_node_secret);
- sha.input(&our_node_id.serialize()[..]);
- let h = Sha256::from_engine(sha).into_inner();
-
- PeerChannelEncryptor {
- their_node_id: None,
- secp_ctx: secp_ctx,
- noise_state: NoiseState::InProgress {
- state: NoiseStep::PreActOne,
- directional_state: DirectionalNoiseState::Inbound {
- ie: None,
- re: None,
- temp_k2: None,
- },
- bidirectional_state: BidirectionalNoiseState {
- h: h,
- ck: NOISE_CK,
- },
- }
- }
- }
-
- #[inline]
- fn encrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], plaintext: &[u8]) {
- let mut nonce = [0; 12];
- nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n));
-
- let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h);
- let mut tag = [0; 16];
- chacha.encrypt(plaintext, &mut res[0..plaintext.len()], &mut tag);
- res[plaintext.len()..].copy_from_slice(&tag);
- }
-
- #[inline]
- fn decrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], cyphertext: &[u8]) -> Result<(), HandleError> {
- let mut nonce = [0; 12];
- nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n));
-
- let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h);
- if !chacha.decrypt(&cyphertext[0..cyphertext.len() - 16], res, &cyphertext[cyphertext.len() - 16..]) {
- return Err(HandleError{err: "Bad MAC", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })});
- }
- Ok(())
- }
-
- fn hkdf_extract_expand(salt: &[u8], ikm: &[u8]) -> ([u8; 32], [u8; 32]) {
- let mut hmac = HmacEngine::<Sha256>::new(salt);
- hmac.input(ikm);
- let prk = Hmac::from_engine(hmac).into_inner();
- let mut hmac = HmacEngine::<Sha256>::new(&prk[..]);
- hmac.input(&[1; 1]);
- let t1 = Hmac::from_engine(hmac).into_inner();
- let mut hmac = HmacEngine::<Sha256>::new(&prk[..]);
- hmac.input(&t1);
- hmac.input(&[2; 1]);
- (t1, Hmac::from_engine(hmac).into_inner())
- }
-
- #[inline]
- fn hkdf(state: &mut BidirectionalNoiseState, ss: SharedSecret) -> [u8; 32] {
- let (t1, t2) = Self::hkdf_extract_expand(&state.ck, &ss[..]);
- state.ck = t1;
- t2
- }
-
- #[inline]
- fn outbound_noise_act<T: secp256k1::Signing>(secp_ctx: &Secp256k1<T>, state: &mut BidirectionalNoiseState, our_key: &SecretKey, their_key: &PublicKey) -> ([u8; 50], [u8; 32]) {
- let our_pub = PublicKey::from_secret_key(secp_ctx, &our_key);
-
- let mut sha = Sha256::engine();
- sha.input(&state.h);
- sha.input(&our_pub.serialize()[..]);
- state.h = Sha256::from_engine(sha).into_inner();
-
- let ss = SharedSecret::new(&their_key, &our_key);
- let temp_k = PeerChannelEncryptor::hkdf(state, ss);
-
- let mut res = [0; 50];
- res[1..34].copy_from_slice(&our_pub.serialize()[..]);
- PeerChannelEncryptor::encrypt_with_ad(&mut res[34..], 0, &temp_k, &state.h, &[0; 0]);
-
- let mut sha = Sha256::engine();
- sha.input(&state.h);
- sha.input(&res[34..]);
- state.h = Sha256::from_engine(sha).into_inner();
-
- (res, temp_k)
- }
-
- #[inline]
- fn inbound_noise_act(state: &mut BidirectionalNoiseState, act: &[u8], our_key: &SecretKey) -> Result<(PublicKey, [u8; 32]), HandleError> {
- assert_eq!(act.len(), 50);
-
- if act[0] != 0 {
- return Err(HandleError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })});
- }
-
- let their_pub = match PublicKey::from_slice(&act[1..34]) {
- Err(_) => return Err(HandleError{err: "Invalid public key", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}),
- Ok(key) => key,
- };
-
- let mut sha = Sha256::engine();
- sha.input(&state.h);
- sha.input(&their_pub.serialize()[..]);
- state.h = Sha256::from_engine(sha).into_inner();
-
- let ss = SharedSecret::new(&their_pub, &our_key);
- let temp_k = PeerChannelEncryptor::hkdf(state, ss);
-
- let mut dec = [0; 0];
- PeerChannelEncryptor::decrypt_with_ad(&mut dec, 0, &temp_k, &state.h, &act[34..])?;
-
- let mut sha = Sha256::engine();
- sha.input(&state.h);
- sha.input(&act[34..]);
- state.h = Sha256::from_engine(sha).into_inner();
-
- Ok((their_pub, temp_k))
- }
-
- pub fn get_act_one(&mut self) -> [u8; 50] {
- match self.noise_state {
- NoiseState::InProgress { ref mut state, ref directional_state, ref mut bidirectional_state } =>
- match directional_state {
- &DirectionalNoiseState::Outbound { ref ie } => {
- if *state != NoiseStep::PreActOne {
- panic!("Requested act at wrong step");
- }
-
- let (res, _) = PeerChannelEncryptor::outbound_noise_act(&self.secp_ctx, bidirectional_state, &ie, &self.their_node_id.unwrap());
- *state = NoiseStep::PostActOne;
- res
- },
- _ => panic!("Wrong direction for act"),
- },
- _ => panic!("Cannot get act one after noise handshake completes"),
- }
- }
-
- pub fn process_act_one_with_keys(&mut self, act_one: &[u8], our_node_secret: &SecretKey, our_ephemeral: SecretKey) -> Result<[u8; 50], HandleError> {
- assert_eq!(act_one.len(), 50);
-
- match self.noise_state {
- NoiseState::InProgress { ref mut state, ref mut directional_state, ref mut bidirectional_state } =>
- match directional_state {
- &mut DirectionalNoiseState::Inbound { ref mut ie, ref mut re, ref mut temp_k2 } => {
- if *state != NoiseStep::PreActOne {
- panic!("Requested act at wrong step");
- }
-
- let (their_pub, _) = PeerChannelEncryptor::inbound_noise_act(bidirectional_state, act_one, &our_node_secret)?;
- ie.get_or_insert(their_pub);
-
- re.get_or_insert(our_ephemeral);
-
- let (res, temp_k) = PeerChannelEncryptor::outbound_noise_act(&self.secp_ctx, bidirectional_state, &re.unwrap(), &ie.unwrap());
- *temp_k2 = Some(temp_k);
- *state = NoiseStep::PostActTwo;
- Ok(res)
- },
- _ => panic!("Wrong direction for act"),
- },
- _ => panic!("Cannot get act one after noise handshake completes"),
- }
- }
-
- pub fn process_act_two(&mut self, act_two: &[u8], our_node_secret: &SecretKey) -> Result<([u8; 66], PublicKey), HandleError> {
- assert_eq!(act_two.len(), 50);
-
- let final_hkdf;
- let ck;
- let res: [u8; 66] = match self.noise_state {
- NoiseState::InProgress { ref state, ref directional_state, ref mut bidirectional_state } =>
- match directional_state {
- &DirectionalNoiseState::Outbound { ref ie } => {
- if *state != NoiseStep::PostActOne {
- panic!("Requested act at wrong step");
- }
-
- let (re, temp_k2) = PeerChannelEncryptor::inbound_noise_act(bidirectional_state, act_two, &ie)?;
-
- let mut res = [0; 66];
- let our_node_id = PublicKey::from_secret_key(&self.secp_ctx, &our_node_secret);
-
- PeerChannelEncryptor::encrypt_with_ad(&mut res[1..50], 1, &temp_k2, &bidirectional_state.h, &our_node_id.serialize()[..]);
-
- let mut sha = Sha256::engine();
- sha.input(&bidirectional_state.h);
- sha.input(&res[1..50]);
- bidirectional_state.h = Sha256::from_engine(sha).into_inner();
-
- let ss = SharedSecret::new(&re, our_node_secret);
- let temp_k = PeerChannelEncryptor::hkdf(bidirectional_state, ss);
-
- PeerChannelEncryptor::encrypt_with_ad(&mut res[50..], 0, &temp_k, &bidirectional_state.h, &[0; 0]);
- final_hkdf = Self::hkdf_extract_expand(&bidirectional_state.ck, &[0; 0]);
- ck = bidirectional_state.ck.clone();
- res
- },
- _ => panic!("Wrong direction for act"),
- },
- _ => panic!("Cannot get act one after noise handshake completes"),
- };
-
- let (sk, rk) = final_hkdf;
- self.noise_state = NoiseState::Finished {
- sk: sk,
- sn: 0,
- sck: ck.clone(),
- rk: rk,
- rn: 0,
- rck: ck,
- };
-
- Ok((res, self.their_node_id.unwrap().clone()))
- }
-
- pub fn process_act_three(&mut self, act_three: &[u8]) -> Result<PublicKey, HandleError> {
- assert_eq!(act_three.len(), 66);
-
- let final_hkdf;
- let ck;
- match self.noise_state {
- NoiseState::InProgress { ref state, ref directional_state, ref mut bidirectional_state } =>
- match directional_state {
- &DirectionalNoiseState::Inbound { ie: _, ref re, ref temp_k2 } => {
- if *state != NoiseStep::PostActTwo {
- panic!("Requested act at wrong step");
- }
- if act_three[0] != 0 {
- return Err(HandleError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })});
- }
-
- let mut their_node_id = [0; 33];
- PeerChannelEncryptor::decrypt_with_ad(&mut their_node_id, 1, &temp_k2.unwrap(), &bidirectional_state.h, &act_three[1..50])?;
- self.their_node_id = Some(match PublicKey::from_slice(&their_node_id) {
- Ok(key) => key,
- Err(_) => return Err(HandleError{err: "Bad node_id from peer", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}),
- });
-
- let mut sha = Sha256::engine();
- sha.input(&bidirectional_state.h);
- sha.input(&act_three[1..50]);
- bidirectional_state.h = Sha256::from_engine(sha).into_inner();
-
- let ss = SharedSecret::new(&self.their_node_id.unwrap(), &re.unwrap());
- let temp_k = PeerChannelEncryptor::hkdf(bidirectional_state, ss);
-
- PeerChannelEncryptor::decrypt_with_ad(&mut [0; 0], 0, &temp_k, &bidirectional_state.h, &act_three[50..])?;
- final_hkdf = Self::hkdf_extract_expand(&bidirectional_state.ck, &[0; 0]);
- ck = bidirectional_state.ck.clone();
- },
- _ => panic!("Wrong direction for act"),
- },
- _ => panic!("Cannot get act one after noise handshake completes"),
- }
-
- let (rk, sk) = final_hkdf;
- self.noise_state = NoiseState::Finished {
- sk: sk,
- sn: 0,
- sck: ck.clone(),
- rk: rk,
- rn: 0,
- rck: ck,
- };
-
- Ok(self.their_node_id.unwrap().clone())
- }
-
- /// Encrypts the given message, returning the encrypted version
- /// panics if msg.len() > 65535 or Noise handshake has not finished.
- pub fn encrypt_message(&mut self, msg: &[u8]) -> Vec<u8> {
- if msg.len() > 65535 {
- panic!("Attempted to encrypt message longer than 65535 bytes!");
- }
-
- let mut res = Vec::with_capacity(msg.len() + 16*2 + 2);
- res.resize(msg.len() + 16*2 + 2, 0);
-
- match self.noise_state {
- NoiseState::Finished { ref mut sk, ref mut sn, ref mut sck, rk: _, rn: _, rck: _ } => {
- if *sn >= 1000 {
- let (new_sck, new_sk) = Self::hkdf_extract_expand(sck, sk);
- *sck = new_sck;
- *sk = new_sk;
- *sn = 0;
- }
-
- Self::encrypt_with_ad(&mut res[0..16+2], *sn, sk, &[0; 0], &byte_utils::be16_to_array(msg.len() as u16));
- *sn += 1;
-
- Self::encrypt_with_ad(&mut res[16+2..], *sn, sk, &[0; 0], msg);
- *sn += 1;
- },
- _ => panic!("Tried to encrypt a message prior to noise handshake completion"),
- }
-
- res
- }
-
- /// Decrypts a message length header from the remote peer.
- /// panics if noise handshake has not yet finished or msg.len() != 18
- pub fn decrypt_length_header(&mut self, msg: &[u8]) -> Result<u16, HandleError> {
- assert_eq!(msg.len(), 16+2);
-
- match self.noise_state {
- NoiseState::Finished { sk: _, sn: _, sck: _, ref mut rk, ref mut rn, ref mut rck } => {
- if *rn >= 1000 {
- let (new_rck, new_rk) = Self::hkdf_extract_expand(rck, rk);
- *rck = new_rck;
- *rk = new_rk;
- *rn = 0;
- }
-
- let mut res = [0; 2];
- Self::decrypt_with_ad(&mut res, *rn, rk, &[0; 0], msg)?;
- *rn += 1;
- Ok(byte_utils::slice_to_be16(&res))
- },
- _ => panic!("Tried to encrypt a message prior to noise handshake completion"),
- }
- }
-
- /// Decrypts the given message.
- /// panics if msg.len() > 65535 + 16
- pub fn decrypt_message(&mut self, msg: &[u8]) -> Result<Vec<u8>, HandleError> {
- if msg.len() > 65535 + 16 {
- panic!("Attempted to encrypt message longer than 65535 bytes!");
- }
-
- match self.noise_state {
- NoiseState::Finished { sk: _, sn: _, sck: _, ref rk, ref mut rn, rck: _ } => {
- let mut res = Vec::with_capacity(msg.len() - 16);
- res.resize(msg.len() - 16, 0);
- Self::decrypt_with_ad(&mut res[..], *rn, rk, &[0; 0], msg)?;
- *rn += 1;
-
- Ok(res)
- },
- _ => panic!("Tried to encrypt a message prior to noise handshake completion"),
- }
- }
-
- pub fn get_noise_step(&self) -> NextNoiseStep {
- match self.noise_state {
- NoiseState::InProgress {ref state, ..} => {
- match state {
- &NoiseStep::PreActOne => NextNoiseStep::ActOne,
- &NoiseStep::PostActOne => NextNoiseStep::ActTwo,
- &NoiseStep::PostActTwo => NextNoiseStep::ActThree,
- }
- },
- NoiseState::Finished {..} => NextNoiseStep::NoiseComplete,
- }
- }
-
- pub fn is_ready_for_encryption(&self) -> bool {
- match self.noise_state {
- NoiseState::InProgress {..} => { false },
- NoiseState::Finished {..} => { true }
- }
- }
-}
-
-#[cfg(test)]
-mod tests {
- use secp256k1::key::{PublicKey,SecretKey};
-
- use hex;
-
- use ln::peer_channel_encryptor::{PeerChannelEncryptor,NoiseState};
-
- fn get_outbound_peer_for_initiator_test_vectors() -> PeerChannelEncryptor {
- let their_node_id = PublicKey::from_slice(&hex::decode("028d7500dd4c12685d1f568b4c2b5048e8534b873319f3a8daa612b469132ec7f7").unwrap()[..]).unwrap();
-
- let mut outbound_peer = PeerChannelEncryptor::new_outbound(their_node_id, SecretKey::from_slice(&hex::decode("1212121212121212121212121212121212121212121212121212121212121212").unwrap()[..]).unwrap());
- assert_eq!(outbound_peer.get_act_one()[..], hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap()[..]);
- outbound_peer
- }
-
- #[test]
- fn noise_initiator_test_vectors() {
- let our_node_id = SecretKey::from_slice(&hex::decode("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap();
-
- {
- // transport-initiator successful handshake
- let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
-
- let act_two = hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
- assert_eq!(outbound_peer.process_act_two(&act_two[..], &our_node_id).unwrap().0[..], hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap()[..]);
-
- match outbound_peer.noise_state {
- NoiseState::Finished { sk, sn, sck, rk, rn, rck } => {
- assert_eq!(sk, hex::decode("969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9").unwrap()[..]);
- assert_eq!(sn, 0);
- assert_eq!(sck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- assert_eq!(rk, hex::decode("bb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442").unwrap()[..]);
- assert_eq!(rn, 0);
- assert_eq!(rck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- },
- _ => panic!()
- }
- }
- {
- // transport-initiator act2 short read test
- // Can't actually test this cause process_act_two requires you pass the right length!
- }
- {
- // transport-initiator act2 bad version test
- let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
-
- let act_two = hex::decode("0102466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
- assert!(outbound_peer.process_act_two(&act_two[..], &our_node_id).is_err());
- }
-
- {
- // transport-initiator act2 bad key serialization test
- let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
-
- let act_two = hex::decode("0004466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
- assert!(outbound_peer.process_act_two(&act_two[..], &our_node_id).is_err());
- }
-
- {
- // transport-initiator act2 bad MAC test
- let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
-
- let act_two = hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730af").unwrap().to_vec();
- assert!(outbound_peer.process_act_two(&act_two[..], &our_node_id).is_err());
- }
- }
-
- #[test]
- fn noise_responder_test_vectors() {
- let our_node_id = SecretKey::from_slice(&hex::decode("2121212121212121212121212121212121212121212121212121212121212121").unwrap()[..]).unwrap();
- let our_ephemeral = SecretKey::from_slice(&hex::decode("2222222222222222222222222222222222222222222222222222222222222222").unwrap()[..]).unwrap();
-
- {
- // transport-responder successful handshake
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
-
- let act_three = hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap().to_vec();
- // test vector doesn't specify the initiator static key, but it's the same as the one
- // from transport-initiator successful handshake
- assert_eq!(inbound_peer.process_act_three(&act_three[..]).unwrap().serialize()[..], hex::decode("034f355bdcb7cc0af728ef3cceb9615d90684bb5b2ca5f859ab0f0b704075871aa").unwrap()[..]);
-
- match inbound_peer.noise_state {
- NoiseState::Finished { sk, sn, sck, rk, rn, rck } => {
- assert_eq!(sk, hex::decode("bb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442").unwrap()[..]);
- assert_eq!(sn, 0);
- assert_eq!(sck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- assert_eq!(rk, hex::decode("969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9").unwrap()[..]);
- assert_eq!(rn, 0);
- assert_eq!(rck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- },
- _ => panic!()
- }
- }
- {
- // transport-responder act1 short read test
- // Can't actually test this cause process_act_one requires you pass the right length!
- }
- {
- // transport-responder act1 bad version test
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("01036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).is_err());
- }
- {
- // transport-responder act1 bad key serialization test
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one =hex::decode("00046360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).is_err());
- }
- {
- // transport-responder act1 bad MAC test
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6b").unwrap().to_vec();
- assert!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).is_err());
- }
- {
- // transport-responder act3 bad version test
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
-
- let act_three = hex::decode("01b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap().to_vec();
- assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
- }
- {
- // transport-responder act3 short read test
- // Can't actually test this cause process_act_three requires you pass the right length!
- }
- {
- // transport-responder act3 bad MAC for ciphertext test
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
-
- let act_three = hex::decode("00c9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap().to_vec();
- assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
- }
- {
- // transport-responder act3 bad rs test
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
-
- let act_three = hex::decode("00bfe3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa2235536ad09a8ee351870c2bb7f78b754a26c6cef79a98d25139c856d7efd252c2ae73c").unwrap().to_vec();
- assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
- }
- {
- // transport-responder act3 bad MAC test
- let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
-
- let act_three = hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139bb").unwrap().to_vec();
- assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
- }
- }
-
-
- #[test]
- fn message_encryption_decryption_test_vectors() {
- // We use the same keys as the initiator and responder test vectors, so we copy those tests
- // here and use them to encrypt.
- let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
-
- {
- let our_node_id = SecretKey::from_slice(&hex::decode("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap();
-
- let act_two = hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
- assert_eq!(outbound_peer.process_act_two(&act_two[..], &our_node_id).unwrap().0[..], hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap()[..]);
-
- match outbound_peer.noise_state {
- NoiseState::Finished { sk, sn, sck, rk, rn, rck } => {
- assert_eq!(sk, hex::decode("969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9").unwrap()[..]);
- assert_eq!(sn, 0);
- assert_eq!(sck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- assert_eq!(rk, hex::decode("bb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442").unwrap()[..]);
- assert_eq!(rn, 0);
- assert_eq!(rck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- },
- _ => panic!()
- }
- }
-
- let mut inbound_peer;
-
- {
- // transport-responder successful handshake
- let our_node_id = SecretKey::from_slice(&hex::decode("2121212121212121212121212121212121212121212121212121212121212121").unwrap()[..]).unwrap();
- let our_ephemeral = SecretKey::from_slice(&hex::decode("2222222222222222222222222222222222222222222222222222222222222222").unwrap()[..]).unwrap();
-
- inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
-
- let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
- assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
-
- let act_three = hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap().to_vec();
- // test vector doesn't specify the initiator static key, but it's the same as the one
- // from transport-initiator successful handshake
- assert_eq!(inbound_peer.process_act_three(&act_three[..]).unwrap().serialize()[..], hex::decode("034f355bdcb7cc0af728ef3cceb9615d90684bb5b2ca5f859ab0f0b704075871aa").unwrap()[..]);
-
- match inbound_peer.noise_state {
- NoiseState::Finished { sk, sn, sck, rk, rn, rck } => {
- assert_eq!(sk, hex::decode("bb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442").unwrap()[..]);
- assert_eq!(sn, 0);
- assert_eq!(sck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- assert_eq!(rk, hex::decode("969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9").unwrap()[..]);
- assert_eq!(rn, 0);
- assert_eq!(rck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
- },
- _ => panic!()
- }
- }
-
- for i in 0..1005 {
- let msg = [0x68, 0x65, 0x6c, 0x6c, 0x6f];
- let res = outbound_peer.encrypt_message(&msg);
- assert_eq!(res.len(), 5 + 2*16 + 2);
-
- let len_header = res[0..2+16].to_vec();
- assert_eq!(inbound_peer.decrypt_length_header(&len_header[..]).unwrap() as usize, msg.len());
- assert_eq!(inbound_peer.decrypt_message(&res[2+16..]).unwrap()[..], msg[..]);
-
- if i == 0 {
- assert_eq!(res, hex::decode("cf2b30ddf0cf3f80e7c35a6e6730b59fe802473180f396d88a8fb0db8cbcf25d2f214cf9ea1d95").unwrap());
- } else if i == 1 {
- assert_eq!(res, hex::decode("72887022101f0b6753e0c7de21657d35a4cb2a1f5cde2650528bbc8f837d0f0d7ad833b1a256a1").unwrap());
- } else if i == 500 {
- assert_eq!(res, hex::decode("178cb9d7387190fa34db9c2d50027d21793c9bc2d40b1e14dcf30ebeeeb220f48364f7a4c68bf8").unwrap());
- } else if i == 501 {
- assert_eq!(res, hex::decode("1b186c57d44eb6de4c057c49940d79bb838a145cb528d6e8fd26dbe50a60ca2c104b56b60e45bd").unwrap());
- } else if i == 1000 {
- assert_eq!(res, hex::decode("4a2f3cc3b5e78ddb83dcb426d9863d9d9a723b0337c89dd0b005d89f8d3c05c52b76b29b740f09").unwrap());
- } else if i == 1001 {
- assert_eq!(res, hex::decode("2ecd8c8a5629d0d02ab457a0fdd0f7b90a192cd46be5ecb6ca570bfc5e268338b1a16cf4ef2d36").unwrap());
- }
- }
- }
-}
projects / rust-lightning / blobdiff