1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
12 use ln::msgs::LightningError;
15 use bitcoin::hashes::{Hash, HashEngine, Hmac, HmacEngine};
16 use bitcoin::hashes::sha256::Hash as Sha256;
18 use bitcoin::secp256k1::Secp256k1;
19 use bitcoin::secp256k1::key::{PublicKey,SecretKey};
20 use bitcoin::secp256k1::ecdh::SharedSecret;
21 use bitcoin::secp256k1;
23 use util::chacha20poly1305rfc::ChaCha20Poly1305RFC;
25 use bitcoin::hashes::hex::ToHex;
27 /// Maximum Lightning message data length according to
28 /// [BOLT-8](https://github.com/lightningnetwork/lightning-rfc/blob/v1.0/08-transport.md#lightning-message-specification)
29 /// and [BOLT-1](https://github.com/lightningnetwork/lightning-rfc/blob/master/01-messaging.md#lightning-message-format):
30 pub const LN_MAX_MSG_LEN: usize = ::core::u16::MAX as usize; // Must be equal to 65535
32 // Sha256("Noise_XK_secp256k1_ChaChaPoly_SHA256")
33 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];
34 // Sha256(NOISE_CK || "lightning")
35 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];
37 pub enum NextNoiseStep {
49 // When done swap noise_state for NoiseState::Finished
52 struct BidirectionalNoiseState {
56 enum DirectionalNoiseState {
61 ie: Option<PublicKey>, // filled in if state >= PostActOne
62 re: Option<SecretKey>, // filled in if state >= PostActTwo
63 temp_k2: Option<[u8; 32]>, // filled in if state >= PostActTwo
69 directional_state: DirectionalNoiseState,
70 bidirectional_state: BidirectionalNoiseState,
82 pub struct PeerChannelEncryptor {
83 secp_ctx: Secp256k1<secp256k1::SignOnly>,
84 their_node_id: Option<PublicKey>, // filled in for outbound, or inbound after noise_state is Finished
86 noise_state: NoiseState,
89 impl PeerChannelEncryptor {
90 pub fn new_outbound(their_node_id: PublicKey, ephemeral_key: SecretKey) -> PeerChannelEncryptor {
91 let secp_ctx = Secp256k1::signing_only();
93 let mut sha = Sha256::engine();
95 sha.input(&their_node_id.serialize()[..]);
96 let h = Sha256::from_engine(sha).into_inner();
98 PeerChannelEncryptor {
99 their_node_id: Some(their_node_id),
101 noise_state: NoiseState::InProgress {
102 state: NoiseStep::PreActOne,
103 directional_state: DirectionalNoiseState::Outbound {
106 bidirectional_state: BidirectionalNoiseState {
114 pub fn new_inbound(our_node_secret: &SecretKey) -> PeerChannelEncryptor {
115 let secp_ctx = Secp256k1::signing_only();
117 let mut sha = Sha256::engine();
119 let our_node_id = PublicKey::from_secret_key(&secp_ctx, our_node_secret);
120 sha.input(&our_node_id.serialize()[..]);
121 let h = Sha256::from_engine(sha).into_inner();
123 PeerChannelEncryptor {
126 noise_state: NoiseState::InProgress {
127 state: NoiseStep::PreActOne,
128 directional_state: DirectionalNoiseState::Inbound {
133 bidirectional_state: BidirectionalNoiseState {
142 fn encrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], plaintext: &[u8]) {
143 let mut nonce = [0; 12];
144 nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n));
146 let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h);
147 let mut tag = [0; 16];
148 chacha.encrypt(plaintext, &mut res[0..plaintext.len()], &mut tag);
149 res[plaintext.len()..].copy_from_slice(&tag);
153 fn decrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], cyphertext: &[u8]) -> Result<(), LightningError> {
154 let mut nonce = [0; 12];
155 nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n));
157 let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h);
158 if !chacha.decrypt(&cyphertext[0..cyphertext.len() - 16], res, &cyphertext[cyphertext.len() - 16..]) {
159 return Err(LightningError{err: "Bad MAC".to_owned(), action: msgs::ErrorAction::DisconnectPeer{ msg: None }});
164 fn hkdf_extract_expand(salt: &[u8], ikm: &[u8]) -> ([u8; 32], [u8; 32]) {
165 let mut hmac = HmacEngine::<Sha256>::new(salt);
167 let prk = Hmac::from_engine(hmac).into_inner();
168 let mut hmac = HmacEngine::<Sha256>::new(&prk[..]);
170 let t1 = Hmac::from_engine(hmac).into_inner();
171 let mut hmac = HmacEngine::<Sha256>::new(&prk[..]);
174 (t1, Hmac::from_engine(hmac).into_inner())
178 fn hkdf(state: &mut BidirectionalNoiseState, ss: SharedSecret) -> [u8; 32] {
179 let (t1, t2) = Self::hkdf_extract_expand(&state.ck, &ss[..]);
185 fn outbound_noise_act<T: secp256k1::Signing>(secp_ctx: &Secp256k1<T>, state: &mut BidirectionalNoiseState, our_key: &SecretKey, their_key: &PublicKey) -> ([u8; 50], [u8; 32]) {
186 let our_pub = PublicKey::from_secret_key(secp_ctx, &our_key);
188 let mut sha = Sha256::engine();
190 sha.input(&our_pub.serialize()[..]);
191 state.h = Sha256::from_engine(sha).into_inner();
193 let ss = SharedSecret::new(&their_key, &our_key);
194 let temp_k = PeerChannelEncryptor::hkdf(state, ss);
196 let mut res = [0; 50];
197 res[1..34].copy_from_slice(&our_pub.serialize()[..]);
198 PeerChannelEncryptor::encrypt_with_ad(&mut res[34..], 0, &temp_k, &state.h, &[0; 0]);
200 let mut sha = Sha256::engine();
202 sha.input(&res[34..]);
203 state.h = Sha256::from_engine(sha).into_inner();
209 fn inbound_noise_act(state: &mut BidirectionalNoiseState, act: &[u8], our_key: &SecretKey) -> Result<(PublicKey, [u8; 32]), LightningError> {
210 assert_eq!(act.len(), 50);
213 return Err(LightningError{err: format!("Unknown handshake version number {}", act[0]), action: msgs::ErrorAction::DisconnectPeer{ msg: None }});
216 let their_pub = match PublicKey::from_slice(&act[1..34]) {
217 Err(_) => return Err(LightningError{err: format!("Invalid public key {}", &act[1..34].to_hex()), action: msgs::ErrorAction::DisconnectPeer{ msg: None }}),
221 let mut sha = Sha256::engine();
223 sha.input(&their_pub.serialize()[..]);
224 state.h = Sha256::from_engine(sha).into_inner();
226 let ss = SharedSecret::new(&their_pub, &our_key);
227 let temp_k = PeerChannelEncryptor::hkdf(state, ss);
229 let mut dec = [0; 0];
230 PeerChannelEncryptor::decrypt_with_ad(&mut dec, 0, &temp_k, &state.h, &act[34..])?;
232 let mut sha = Sha256::engine();
234 sha.input(&act[34..]);
235 state.h = Sha256::from_engine(sha).into_inner();
237 Ok((their_pub, temp_k))
240 pub fn get_act_one(&mut self) -> [u8; 50] {
241 match self.noise_state {
242 NoiseState::InProgress { ref mut state, ref directional_state, ref mut bidirectional_state } =>
243 match directional_state {
244 &DirectionalNoiseState::Outbound { ref ie } => {
245 if *state != NoiseStep::PreActOne {
246 panic!("Requested act at wrong step");
249 let (res, _) = PeerChannelEncryptor::outbound_noise_act(&self.secp_ctx, bidirectional_state, &ie, &self.their_node_id.unwrap());
250 *state = NoiseStep::PostActOne;
253 _ => panic!("Wrong direction for act"),
255 _ => panic!("Cannot get act one after noise handshake completes"),
259 pub fn process_act_one_with_keys(&mut self, act_one: &[u8], our_node_secret: &SecretKey, our_ephemeral: SecretKey) -> Result<[u8; 50], LightningError> {
260 assert_eq!(act_one.len(), 50);
262 match self.noise_state {
263 NoiseState::InProgress { ref mut state, ref mut directional_state, ref mut bidirectional_state } =>
264 match directional_state {
265 &mut DirectionalNoiseState::Inbound { ref mut ie, ref mut re, ref mut temp_k2 } => {
266 if *state != NoiseStep::PreActOne {
267 panic!("Requested act at wrong step");
270 let (their_pub, _) = PeerChannelEncryptor::inbound_noise_act(bidirectional_state, act_one, &our_node_secret)?;
271 ie.get_or_insert(their_pub);
273 re.get_or_insert(our_ephemeral);
275 let (res, temp_k) = PeerChannelEncryptor::outbound_noise_act(&self.secp_ctx, bidirectional_state, &re.unwrap(), &ie.unwrap());
276 *temp_k2 = Some(temp_k);
277 *state = NoiseStep::PostActTwo;
280 _ => panic!("Wrong direction for act"),
282 _ => panic!("Cannot get act one after noise handshake completes"),
286 pub fn process_act_two(&mut self, act_two: &[u8], our_node_secret: &SecretKey) -> Result<([u8; 66], PublicKey), LightningError> {
287 assert_eq!(act_two.len(), 50);
291 let res: [u8; 66] = match self.noise_state {
292 NoiseState::InProgress { ref state, ref directional_state, ref mut bidirectional_state } =>
293 match directional_state {
294 &DirectionalNoiseState::Outbound { ref ie } => {
295 if *state != NoiseStep::PostActOne {
296 panic!("Requested act at wrong step");
299 let (re, temp_k2) = PeerChannelEncryptor::inbound_noise_act(bidirectional_state, act_two, &ie)?;
301 let mut res = [0; 66];
302 let our_node_id = PublicKey::from_secret_key(&self.secp_ctx, &our_node_secret);
304 PeerChannelEncryptor::encrypt_with_ad(&mut res[1..50], 1, &temp_k2, &bidirectional_state.h, &our_node_id.serialize()[..]);
306 let mut sha = Sha256::engine();
307 sha.input(&bidirectional_state.h);
308 sha.input(&res[1..50]);
309 bidirectional_state.h = Sha256::from_engine(sha).into_inner();
311 let ss = SharedSecret::new(&re, our_node_secret);
312 let temp_k = PeerChannelEncryptor::hkdf(bidirectional_state, ss);
314 PeerChannelEncryptor::encrypt_with_ad(&mut res[50..], 0, &temp_k, &bidirectional_state.h, &[0; 0]);
315 final_hkdf = Self::hkdf_extract_expand(&bidirectional_state.ck, &[0; 0]);
316 ck = bidirectional_state.ck.clone();
319 _ => panic!("Wrong direction for act"),
321 _ => panic!("Cannot get act one after noise handshake completes"),
324 let (sk, rk) = final_hkdf;
325 self.noise_state = NoiseState::Finished {
334 Ok((res, self.their_node_id.unwrap().clone()))
337 pub fn process_act_three(&mut self, act_three: &[u8]) -> Result<PublicKey, LightningError> {
338 assert_eq!(act_three.len(), 66);
342 match self.noise_state {
343 NoiseState::InProgress { ref state, ref directional_state, ref mut bidirectional_state } =>
344 match directional_state {
345 &DirectionalNoiseState::Inbound { ie: _, ref re, ref temp_k2 } => {
346 if *state != NoiseStep::PostActTwo {
347 panic!("Requested act at wrong step");
349 if act_three[0] != 0 {
350 return Err(LightningError{err: format!("Unknown handshake version number {}", act_three[0]), action: msgs::ErrorAction::DisconnectPeer{ msg: None }});
353 let mut their_node_id = [0; 33];
354 PeerChannelEncryptor::decrypt_with_ad(&mut their_node_id, 1, &temp_k2.unwrap(), &bidirectional_state.h, &act_three[1..50])?;
355 self.their_node_id = Some(match PublicKey::from_slice(&their_node_id) {
357 Err(_) => return Err(LightningError{err: format!("Bad node_id from peer, {}", &their_node_id.to_hex()), action: msgs::ErrorAction::DisconnectPeer{ msg: None }}),
360 let mut sha = Sha256::engine();
361 sha.input(&bidirectional_state.h);
362 sha.input(&act_three[1..50]);
363 bidirectional_state.h = Sha256::from_engine(sha).into_inner();
365 let ss = SharedSecret::new(&self.their_node_id.unwrap(), &re.unwrap());
366 let temp_k = PeerChannelEncryptor::hkdf(bidirectional_state, ss);
368 PeerChannelEncryptor::decrypt_with_ad(&mut [0; 0], 0, &temp_k, &bidirectional_state.h, &act_three[50..])?;
369 final_hkdf = Self::hkdf_extract_expand(&bidirectional_state.ck, &[0; 0]);
370 ck = bidirectional_state.ck.clone();
372 _ => panic!("Wrong direction for act"),
374 _ => panic!("Cannot get act one after noise handshake completes"),
377 let (rk, sk) = final_hkdf;
378 self.noise_state = NoiseState::Finished {
387 Ok(self.their_node_id.unwrap().clone())
390 /// Encrypts the given message, returning the encrypted version
391 /// panics if msg.len() > 65535 or Noise handshake has not finished.
392 pub fn encrypt_message(&mut self, msg: &[u8]) -> Vec<u8> {
393 if msg.len() > LN_MAX_MSG_LEN {
394 panic!("Attempted to encrypt message longer than 65535 bytes!");
397 let mut res = Vec::with_capacity(msg.len() + 16*2 + 2);
398 res.resize(msg.len() + 16*2 + 2, 0);
400 match self.noise_state {
401 NoiseState::Finished { ref mut sk, ref mut sn, ref mut sck, rk: _, rn: _, rck: _ } => {
403 let (new_sck, new_sk) = Self::hkdf_extract_expand(sck, sk);
409 Self::encrypt_with_ad(&mut res[0..16+2], *sn, sk, &[0; 0], &byte_utils::be16_to_array(msg.len() as u16));
412 Self::encrypt_with_ad(&mut res[16+2..], *sn, sk, &[0; 0], msg);
415 _ => panic!("Tried to encrypt a message prior to noise handshake completion"),
421 /// Decrypts a message length header from the remote peer.
422 /// panics if noise handshake has not yet finished or msg.len() != 18
423 pub fn decrypt_length_header(&mut self, msg: &[u8]) -> Result<u16, LightningError> {
424 assert_eq!(msg.len(), 16+2);
426 match self.noise_state {
427 NoiseState::Finished { sk: _, sn: _, sck: _, ref mut rk, ref mut rn, ref mut rck } => {
429 let (new_rck, new_rk) = Self::hkdf_extract_expand(rck, rk);
435 let mut res = [0; 2];
436 Self::decrypt_with_ad(&mut res, *rn, rk, &[0; 0], msg)?;
438 Ok(byte_utils::slice_to_be16(&res))
440 _ => panic!("Tried to decrypt a message prior to noise handshake completion"),
444 /// Decrypts the given message.
445 /// panics if msg.len() > 65535 + 16
446 pub fn decrypt_message(&mut self, msg: &[u8]) -> Result<Vec<u8>, LightningError> {
447 if msg.len() > LN_MAX_MSG_LEN + 16 {
448 panic!("Attempted to decrypt message longer than 65535 + 16 bytes!");
451 match self.noise_state {
452 NoiseState::Finished { sk: _, sn: _, sck: _, ref rk, ref mut rn, rck: _ } => {
453 let mut res = Vec::with_capacity(msg.len() - 16);
454 res.resize(msg.len() - 16, 0);
455 Self::decrypt_with_ad(&mut res[..], *rn, rk, &[0; 0], msg)?;
460 _ => panic!("Tried to decrypt a message prior to noise handshake completion"),
464 pub fn get_noise_step(&self) -> NextNoiseStep {
465 match self.noise_state {
466 NoiseState::InProgress {ref state, ..} => {
468 &NoiseStep::PreActOne => NextNoiseStep::ActOne,
469 &NoiseStep::PostActOne => NextNoiseStep::ActTwo,
470 &NoiseStep::PostActTwo => NextNoiseStep::ActThree,
473 NoiseState::Finished {..} => NextNoiseStep::NoiseComplete,
477 pub fn is_ready_for_encryption(&self) -> bool {
478 match self.noise_state {
479 NoiseState::InProgress {..} => { false },
480 NoiseState::Finished {..} => { true }
487 use super::LN_MAX_MSG_LEN;
489 use bitcoin::secp256k1::key::{PublicKey,SecretKey};
493 use ln::peer_channel_encryptor::{PeerChannelEncryptor,NoiseState};
495 fn get_outbound_peer_for_initiator_test_vectors() -> PeerChannelEncryptor {
496 let their_node_id = PublicKey::from_slice(&hex::decode("028d7500dd4c12685d1f568b4c2b5048e8534b873319f3a8daa612b469132ec7f7").unwrap()[..]).unwrap();
498 let mut outbound_peer = PeerChannelEncryptor::new_outbound(their_node_id, SecretKey::from_slice(&hex::decode("1212121212121212121212121212121212121212121212121212121212121212").unwrap()[..]).unwrap());
499 assert_eq!(outbound_peer.get_act_one()[..], hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap()[..]);
503 fn get_inbound_peer_for_test_vectors() -> PeerChannelEncryptor {
504 // transport-responder successful handshake
505 let our_node_id = SecretKey::from_slice(&hex::decode("2121212121212121212121212121212121212121212121212121212121212121").unwrap()[..]).unwrap();
506 let our_ephemeral = SecretKey::from_slice(&hex::decode("2222222222222222222222222222222222222222222222222222222222222222").unwrap()[..]).unwrap();
508 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
510 let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
511 assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
513 let act_three = hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap().to_vec();
514 // test vector doesn't specify the initiator static key, but it's the same as the one
515 // from transport-initiator successful handshake
516 assert_eq!(inbound_peer.process_act_three(&act_three[..]).unwrap().serialize()[..], hex::decode("034f355bdcb7cc0af728ef3cceb9615d90684bb5b2ca5f859ab0f0b704075871aa").unwrap()[..]);
518 match inbound_peer.noise_state {
519 NoiseState::Finished { sk, sn, sck, rk, rn, rck } => {
520 assert_eq!(sk, hex::decode("bb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442").unwrap()[..]);
522 assert_eq!(sck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
523 assert_eq!(rk, hex::decode("969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9").unwrap()[..]);
525 assert_eq!(rck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
534 fn noise_initiator_test_vectors() {
535 let our_node_id = SecretKey::from_slice(&hex::decode("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap();
538 // transport-initiator successful handshake
539 let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
541 let act_two = hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
542 assert_eq!(outbound_peer.process_act_two(&act_two[..], &our_node_id).unwrap().0[..], hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap()[..]);
544 match outbound_peer.noise_state {
545 NoiseState::Finished { sk, sn, sck, rk, rn, rck } => {
546 assert_eq!(sk, hex::decode("969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9").unwrap()[..]);
548 assert_eq!(sck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
549 assert_eq!(rk, hex::decode("bb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442").unwrap()[..]);
551 assert_eq!(rck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
557 // transport-initiator act2 short read test
558 // Can't actually test this cause process_act_two requires you pass the right length!
561 // transport-initiator act2 bad version test
562 let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
564 let act_two = hex::decode("0102466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
565 assert!(outbound_peer.process_act_two(&act_two[..], &our_node_id).is_err());
569 // transport-initiator act2 bad key serialization test
570 let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
572 let act_two = hex::decode("0004466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
573 assert!(outbound_peer.process_act_two(&act_two[..], &our_node_id).is_err());
577 // transport-initiator act2 bad MAC test
578 let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
580 let act_two = hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730af").unwrap().to_vec();
581 assert!(outbound_peer.process_act_two(&act_two[..], &our_node_id).is_err());
586 fn noise_responder_test_vectors() {
587 let our_node_id = SecretKey::from_slice(&hex::decode("2121212121212121212121212121212121212121212121212121212121212121").unwrap()[..]).unwrap();
588 let our_ephemeral = SecretKey::from_slice(&hex::decode("2222222222222222222222222222222222222222222222222222222222222222").unwrap()[..]).unwrap();
591 let _ = get_inbound_peer_for_test_vectors();
594 // transport-responder act1 short read test
595 // Can't actually test this cause process_act_one requires you pass the right length!
598 // transport-responder act1 bad version test
599 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
601 let act_one = hex::decode("01036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
602 assert!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).is_err());
605 // transport-responder act1 bad key serialization test
606 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
608 let act_one =hex::decode("00046360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
609 assert!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).is_err());
612 // transport-responder act1 bad MAC test
613 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
615 let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6b").unwrap().to_vec();
616 assert!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).is_err());
619 // transport-responder act3 bad version test
620 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
622 let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
623 assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
625 let act_three = hex::decode("01b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap().to_vec();
626 assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
629 // transport-responder act3 short read test
630 // Can't actually test this cause process_act_three requires you pass the right length!
633 // transport-responder act3 bad MAC for ciphertext test
634 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
636 let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
637 assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
639 let act_three = hex::decode("00c9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap().to_vec();
640 assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
643 // transport-responder act3 bad rs test
644 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
646 let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
647 assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
649 let act_three = hex::decode("00bfe3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa2235536ad09a8ee351870c2bb7f78b754a26c6cef79a98d25139c856d7efd252c2ae73c").unwrap().to_vec();
650 assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
653 // transport-responder act3 bad MAC test
654 let mut inbound_peer = PeerChannelEncryptor::new_inbound(&our_node_id);
656 let act_one = hex::decode("00036360e856310ce5d294e8be33fc807077dc56ac80d95d9cd4ddbd21325eff73f70df6086551151f58b8afe6c195782c6a").unwrap().to_vec();
657 assert_eq!(inbound_peer.process_act_one_with_keys(&act_one[..], &our_node_id, our_ephemeral.clone()).unwrap()[..], hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap()[..]);
659 let act_three = hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139bb").unwrap().to_vec();
660 assert!(inbound_peer.process_act_three(&act_three[..]).is_err());
666 fn message_encryption_decryption_test_vectors() {
667 // We use the same keys as the initiator and responder test vectors, so we copy those tests
668 // here and use them to encrypt.
669 let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
672 let our_node_id = SecretKey::from_slice(&hex::decode("1111111111111111111111111111111111111111111111111111111111111111").unwrap()[..]).unwrap();
674 let act_two = hex::decode("0002466d7fcae563e5cb09a0d1870bb580344804617879a14949cf22285f1bae3f276e2470b93aac583c9ef6eafca3f730ae").unwrap().to_vec();
675 assert_eq!(outbound_peer.process_act_two(&act_two[..], &our_node_id).unwrap().0[..], hex::decode("00b9e3a702e93e3a9948c2ed6e5fd7590a6e1c3a0344cfc9d5b57357049aa22355361aa02e55a8fc28fef5bd6d71ad0c38228dc68b1c466263b47fdf31e560e139ba").unwrap()[..]);
677 match outbound_peer.noise_state {
678 NoiseState::Finished { sk, sn, sck, rk, rn, rck } => {
679 assert_eq!(sk, hex::decode("969ab31b4d288cedf6218839b27a3e2140827047f2c0f01bf5c04435d43511a9").unwrap()[..]);
681 assert_eq!(sck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
682 assert_eq!(rk, hex::decode("bb9020b8965f4df047e07f955f3c4b88418984aadc5cdb35096b9ea8fa5c3442").unwrap()[..]);
684 assert_eq!(rck, hex::decode("919219dbb2920afa8db80f9a51787a840bcf111ed8d588caf9ab4be716e42b01").unwrap()[..]);
690 let mut inbound_peer = get_inbound_peer_for_test_vectors();
693 let msg = [0x68, 0x65, 0x6c, 0x6c, 0x6f];
694 let res = outbound_peer.encrypt_message(&msg);
695 assert_eq!(res.len(), 5 + 2*16 + 2);
697 let len_header = res[0..2+16].to_vec();
698 assert_eq!(inbound_peer.decrypt_length_header(&len_header[..]).unwrap() as usize, msg.len());
699 assert_eq!(inbound_peer.decrypt_message(&res[2+16..]).unwrap()[..], msg[..]);
702 assert_eq!(res, hex::decode("cf2b30ddf0cf3f80e7c35a6e6730b59fe802473180f396d88a8fb0db8cbcf25d2f214cf9ea1d95").unwrap());
704 assert_eq!(res, hex::decode("72887022101f0b6753e0c7de21657d35a4cb2a1f5cde2650528bbc8f837d0f0d7ad833b1a256a1").unwrap());
706 assert_eq!(res, hex::decode("178cb9d7387190fa34db9c2d50027d21793c9bc2d40b1e14dcf30ebeeeb220f48364f7a4c68bf8").unwrap());
708 assert_eq!(res, hex::decode("1b186c57d44eb6de4c057c49940d79bb838a145cb528d6e8fd26dbe50a60ca2c104b56b60e45bd").unwrap());
709 } else if i == 1000 {
710 assert_eq!(res, hex::decode("4a2f3cc3b5e78ddb83dcb426d9863d9d9a723b0337c89dd0b005d89f8d3c05c52b76b29b740f09").unwrap());
711 } else if i == 1001 {
712 assert_eq!(res, hex::decode("2ecd8c8a5629d0d02ab457a0fdd0f7b90a192cd46be5ecb6ca570bfc5e268338b1a16cf4ef2d36").unwrap());
718 fn max_msg_len_limit_value() {
719 assert_eq!(LN_MAX_MSG_LEN, 65535);
720 assert_eq!(LN_MAX_MSG_LEN, ::core::u16::MAX as usize);
724 #[should_panic(expected = "Attempted to encrypt message longer than 65535 bytes!")]
725 fn max_message_len_encryption() {
726 let mut outbound_peer = get_outbound_peer_for_initiator_test_vectors();
727 let msg = [4u8; LN_MAX_MSG_LEN + 1];
728 outbound_peer.encrypt_message(&msg);
732 #[should_panic(expected = "Attempted to decrypt message longer than 65535 + 16 bytes!")]
733 fn max_message_len_decryption() {
734 let mut inbound_peer = get_inbound_peer_for_test_vectors();
736 // MSG should not exceed LN_MAX_MSG_LEN + 16
737 let msg = [4u8; LN_MAX_MSG_LEN + 17];
738 inbound_peer.decrypt_message(&msg).unwrap();