mystuff/net/gurk-rs/files/vendor/libsignal-protocol/tests/session.rs
2022-10-31 22:01:15 +01:00

1991 lines
64 KiB
Rust

//
// Copyright 2020 Signal Messenger, LLC.
// SPDX-License-Identifier: AGPL-3.0-only
//
mod support;
use futures_util::FutureExt;
use libsignal_protocol::*;
use rand::rngs::OsRng;
use std::convert::TryFrom;
use support::*;
#[test]
#[allow(clippy::eval_order_dependence)]
fn test_basic_prekey_v3() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let bob_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_public = bob_signed_pre_key_pair.public_key.serialize();
let bob_signed_pre_key_signature = bob_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&bob_signed_pre_key_public, &mut csprng)?;
let pre_key_id = 31337;
let signed_pre_key_id = 22;
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1, // device id
Some((pre_key_id, bob_pre_key_pair.public_key)), // pre key
signed_pre_key_id, // signed pre key id
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature.to_vec(),
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
assert!(alice_store
.load_session(&bob_address, None)
.await?
.is_some());
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
let original_message = "L'homme est condamné à être libre";
let outgoing_message = encrypt(&mut alice_store, &bob_address, original_message).await?;
assert_eq!(
outgoing_message.message_type(),
CiphertextMessageType::PreKey
);
let incoming_message = CiphertextMessage::PreKeySignalMessage(
PreKeySignalMessage::try_from(outgoing_message.serialize())?,
);
bob_store
.save_pre_key(
pre_key_id,
&PreKeyRecord::new(pre_key_id, &bob_pre_key_pair),
None,
)
.await?;
bob_store
.save_signed_pre_key(
signed_pre_key_id,
&SignedPreKeyRecord::new(
signed_pre_key_id,
/*timestamp*/ 42,
&bob_signed_pre_key_pair,
&bob_signed_pre_key_signature,
),
None,
)
.await?;
let ptext = decrypt(&mut bob_store, &alice_address, &incoming_message).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
original_message
);
let bobs_response = "Who watches the watchers?";
assert!(bob_store
.load_session(&alice_address, None)
.await?
.is_some());
let bobs_session_with_alice = bob_store
.load_session(&alice_address, None)
.await?
.expect("session found");
assert_eq!(bobs_session_with_alice.session_version()?, 3);
assert_eq!(bobs_session_with_alice.alice_base_key()?.len(), 32 + 1);
let bob_outgoing = encrypt(&mut bob_store, &alice_address, bobs_response).await?;
assert_eq!(bob_outgoing.message_type(), CiphertextMessageType::Whisper);
let alice_decrypts = decrypt(&mut alice_store, &bob_address, &bob_outgoing).await?;
assert_eq!(
String::from_utf8(alice_decrypts).expect("valid utf8"),
bobs_response
);
run_interaction(
&mut alice_store,
&alice_address,
&mut bob_store,
&bob_address,
)
.await?;
let mut alice_store = support::test_in_memory_protocol_store()?;
let bob_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_public = bob_signed_pre_key_pair.public_key.serialize();
let bob_signed_pre_key_signature = bob_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&bob_signed_pre_key_public, &mut csprng)?;
let pre_key_id = 31337;
let signed_pre_key_id = 22;
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1, // device id
Some((pre_key_id + 1, bob_pre_key_pair.public_key)), // pre key,
signed_pre_key_id + 1,
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature.to_vec(),
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
bob_store
.save_pre_key(
pre_key_id + 1,
&PreKeyRecord::new(pre_key_id + 1, &bob_pre_key_pair),
None,
)
.await?;
bob_store
.save_signed_pre_key(
signed_pre_key_id + 1,
&SignedPreKeyRecord::new(
signed_pre_key_id + 1,
/*timestamp*/ 42,
&bob_signed_pre_key_pair,
&bob_signed_pre_key_signature,
),
None,
)
.await?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
let outgoing_message = encrypt(&mut alice_store, &bob_address, original_message).await?;
assert!(matches!(
decrypt(&mut bob_store, &alice_address, &outgoing_message)
.await
.unwrap_err(),
SignalProtocolError::UntrustedIdentity(a) if a == alice_address
));
assert!(
bob_store
.save_identity(
&alice_address,
alice_store
.get_identity_key_pair(None)
.await?
.identity_key(),
None,
)
.await?
);
let decrypted = decrypt(&mut bob_store, &alice_address, &outgoing_message).await?;
assert_eq!(
String::from_utf8(decrypted).expect("valid utf8"),
original_message
);
// Sign pre-key with wrong key:
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1, // device id
Some((pre_key_id, bob_pre_key_pair.public_key)), // pre key
signed_pre_key_id,
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature.to_vec(),
*alice_store
.get_identity_key_pair(None)
.await?
.identity_key(),
)?;
assert!(process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await
.is_err());
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
#[ignore = "slow to run locally"]
#[allow(clippy::eval_order_dependence)]
fn chain_jump_over_limit() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let bob_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_public = bob_signed_pre_key_pair.public_key.serialize();
let bob_signed_pre_key_signature = bob_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&bob_signed_pre_key_public, &mut csprng)?;
let pre_key_id = 31337;
let signed_pre_key_id = 22;
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1, // device id
Some((pre_key_id, bob_pre_key_pair.public_key)), // pre key
signed_pre_key_id, // signed pre key id
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature.to_vec(),
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
bob_store
.save_pre_key(
pre_key_id,
&PreKeyRecord::new(pre_key_id, &bob_pre_key_pair),
None,
)
.await?;
bob_store
.save_signed_pre_key(
signed_pre_key_id,
&SignedPreKeyRecord::new(
signed_pre_key_id,
/*timestamp*/ 42,
&bob_signed_pre_key_pair,
&bob_signed_pre_key_signature,
),
None,
)
.await?;
// Same as library consts.rs
pub const MAX_FORWARD_JUMPS: usize = 25_000;
for _i in 0..(MAX_FORWARD_JUMPS + 1) {
let _msg = encrypt(
&mut alice_store,
&bob_address,
"Yet another message for you",
)
.await?;
}
let too_far = encrypt(&mut alice_store, &bob_address, "Now you have gone too far").await?;
assert!(decrypt(&mut bob_store, &alice_address, &too_far)
.await
.is_err());
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
#[ignore = "slow to run locally"]
#[allow(clippy::eval_order_dependence)]
fn chain_jump_over_limit_with_self() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let a1_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let a2_address = ProtocolAddress::new("+14151111111".to_owned(), 2);
let mut a1_store = support::test_in_memory_protocol_store()?;
let mut a2_store = a1_store.clone(); // same key!
let a2_pre_key_pair = KeyPair::generate(&mut csprng);
let a2_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let a2_signed_pre_key_public = a2_signed_pre_key_pair.public_key.serialize();
let a2_signed_pre_key_signature = a2_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&a2_signed_pre_key_public, &mut csprng)?;
let pre_key_id = 31337;
let signed_pre_key_id = 22;
let a2_pre_key_bundle = PreKeyBundle::new(
a2_store.get_local_registration_id(None).await?,
1, // device id
Some((pre_key_id, a2_pre_key_pair.public_key)), // pre key
signed_pre_key_id, // signed pre key id
a2_signed_pre_key_pair.public_key,
a2_signed_pre_key_signature.to_vec(),
*a2_store.get_identity_key_pair(None).await?.identity_key(),
)?;
process_prekey_bundle(
&a2_address,
&mut a1_store.session_store,
&mut a1_store.identity_store,
&a2_pre_key_bundle,
&mut csprng,
None,
)
.await?;
a2_store
.save_pre_key(
pre_key_id,
&PreKeyRecord::new(pre_key_id, &a2_pre_key_pair),
None,
)
.await?;
a2_store
.save_signed_pre_key(
signed_pre_key_id,
&SignedPreKeyRecord::new(
signed_pre_key_id,
/*timestamp*/ 42,
&a2_signed_pre_key_pair,
&a2_signed_pre_key_signature,
),
None,
)
.await?;
// Same as library consts.rs
pub const MAX_FORWARD_JUMPS: usize = 25_000;
for _i in 0..(MAX_FORWARD_JUMPS + 1) {
let _msg = encrypt(
&mut a1_store,
&a2_address,
"Yet another message for youself",
)
.await?;
}
let too_far = encrypt(
&mut a1_store,
&a2_address,
"This is the song that never ends",
)
.await?;
let ptext = decrypt(&mut a2_store, &a1_address, &too_far).await?;
assert_eq!(
String::from_utf8(ptext).unwrap(),
"This is the song that never ends"
);
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
#[allow(clippy::eval_order_dependence)]
fn test_bad_signed_pre_key_signature() -> Result<(), SignalProtocolError> {
async {
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let bob_store = support::test_in_memory_protocol_store()?;
let mut csprng = OsRng;
let bob_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_public = bob_signed_pre_key_pair.public_key.serialize();
let bob_signed_pre_key_signature = bob_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&bob_signed_pre_key_public, &mut csprng)?
.to_vec();
let pre_key_id = 31337;
let signed_pre_key_id = 22;
for bit in 0..8 * bob_signed_pre_key_signature.len() {
let mut bad_signature = bob_signed_pre_key_signature.clone();
bad_signature[bit / 8] ^= 0x01u8 << (bit % 8);
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1,
Some((pre_key_id, bob_pre_key_pair.public_key)),
signed_pre_key_id,
bob_signed_pre_key_pair.public_key,
bad_signature,
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
assert!(process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await
.is_err());
}
// Finally check that the non-corrupted signature is accepted:
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1,
Some((pre_key_id, bob_pre_key_pair.public_key)),
signed_pre_key_id,
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature,
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
Ok(())
}
.now_or_never()
.expect("sync")
}
// testRepeatBundleMessageV2 cannot be represented
#[test]
#[allow(clippy::eval_order_dependence)]
fn repeat_bundle_message_v3() -> Result<(), SignalProtocolError> {
async {
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let mut csprng = OsRng;
let bob_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_public = bob_signed_pre_key_pair.public_key.serialize();
let bob_signed_pre_key_signature = bob_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&bob_signed_pre_key_public, &mut csprng)?;
let pre_key_id = 31337;
let signed_pre_key_id = 22;
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1, // device id
Some((pre_key_id, bob_pre_key_pair.public_key)), // pre key
signed_pre_key_id, // signed pre key id
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature.to_vec(),
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
assert!(alice_store
.load_session(&bob_address, None)
.await?
.is_some());
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
let original_message = "L'homme est condamné à être libre";
let outgoing_message1 = encrypt(&mut alice_store, &bob_address, original_message).await?;
let outgoing_message2 = encrypt(&mut alice_store, &bob_address, original_message).await?;
assert_eq!(
outgoing_message1.message_type(),
CiphertextMessageType::PreKey
);
assert_eq!(
outgoing_message2.message_type(),
CiphertextMessageType::PreKey
);
let incoming_message = CiphertextMessage::PreKeySignalMessage(
PreKeySignalMessage::try_from(outgoing_message1.serialize())?,
);
bob_store
.save_pre_key(
pre_key_id,
&PreKeyRecord::new(pre_key_id, &bob_pre_key_pair),
None,
)
.await?;
bob_store
.save_signed_pre_key(
signed_pre_key_id,
&SignedPreKeyRecord::new(
signed_pre_key_id,
/*timestamp*/ 42,
&bob_signed_pre_key_pair,
&bob_signed_pre_key_signature,
),
None,
)
.await?;
let ptext = decrypt(&mut bob_store, &alice_address, &incoming_message).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
original_message
);
let bob_outgoing = encrypt(&mut bob_store, &alice_address, original_message).await?;
assert_eq!(bob_outgoing.message_type(), CiphertextMessageType::Whisper);
let alice_decrypts = decrypt(&mut alice_store, &bob_address, &bob_outgoing).await?;
assert_eq!(
String::from_utf8(alice_decrypts).expect("valid utf8"),
original_message
);
// The test
let incoming_message2 = CiphertextMessage::PreKeySignalMessage(
PreKeySignalMessage::try_from(outgoing_message2.serialize())?,
);
let ptext = decrypt(&mut bob_store, &alice_address, &incoming_message2).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
original_message
);
let bob_outgoing = encrypt(&mut bob_store, &alice_address, original_message).await?;
let alice_decrypts = decrypt(&mut alice_store, &bob_address, &bob_outgoing).await?;
assert_eq!(
String::from_utf8(alice_decrypts).expect("valid utf8"),
original_message
);
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
#[allow(clippy::eval_order_dependence)]
fn bad_message_bundle() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let bob_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_public = bob_signed_pre_key_pair.public_key.serialize();
let bob_signed_pre_key_signature = bob_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&bob_signed_pre_key_public, &mut csprng)?;
let pre_key_id = 31337;
let signed_pre_key_id = 22;
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1, // device id
Some((pre_key_id, bob_pre_key_pair.public_key)),
signed_pre_key_id, // signed pre key id
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature.to_vec(),
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
bob_store
.save_pre_key(
pre_key_id,
&PreKeyRecord::new(pre_key_id, &bob_pre_key_pair),
None,
)
.await?;
bob_store
.save_signed_pre_key(
signed_pre_key_id,
&SignedPreKeyRecord::new(
signed_pre_key_id,
/*timestamp*/ 42,
&bob_signed_pre_key_pair,
&bob_signed_pre_key_signature,
),
None,
)
.await?;
assert!(alice_store
.load_session(&bob_address, None)
.await?
.is_some());
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
let original_message = "L'homme est condamné à être libre";
assert!(bob_store.get_pre_key(pre_key_id, None).await.is_ok());
let outgoing_message = encrypt(&mut alice_store, &bob_address, original_message).await?;
assert_eq!(
outgoing_message.message_type(),
CiphertextMessageType::PreKey
);
let outgoing_message = outgoing_message.serialize().to_vec();
let mut corrupted_message: Vec<u8> = outgoing_message.clone();
corrupted_message[outgoing_message.len() - 10] ^= 1;
let incoming_message = CiphertextMessage::PreKeySignalMessage(
PreKeySignalMessage::try_from(corrupted_message.as_slice())?,
);
assert!(decrypt(&mut bob_store, &alice_address, &incoming_message)
.await
.is_err());
assert!(bob_store.get_pre_key(pre_key_id, None).await.is_ok());
let incoming_message = CiphertextMessage::PreKeySignalMessage(
PreKeySignalMessage::try_from(outgoing_message.as_slice())?,
);
let ptext = decrypt(&mut bob_store, &alice_address, &incoming_message).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
original_message
);
assert!(matches!(
bob_store.get_pre_key(pre_key_id, None).await.unwrap_err(),
SignalProtocolError::InvalidPreKeyId
));
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
#[allow(clippy::eval_order_dependence)]
fn optional_one_time_prekey() -> Result<(), SignalProtocolError> {
async {
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let mut csprng = OsRng;
let bob_signed_pre_key_pair = KeyPair::generate(&mut csprng);
let bob_signed_pre_key_public = bob_signed_pre_key_pair.public_key.serialize();
let bob_signed_pre_key_signature = bob_store
.get_identity_key_pair(None)
.await?
.private_key()
.calculate_signature(&bob_signed_pre_key_public, &mut csprng)?;
let signed_pre_key_id = 22;
let bob_pre_key_bundle = PreKeyBundle::new(
bob_store.get_local_registration_id(None).await?,
1, // device id
None, // no pre key
signed_pre_key_id, // signed pre key id
bob_signed_pre_key_pair.public_key,
bob_signed_pre_key_signature.to_vec(),
*bob_store.get_identity_key_pair(None).await?.identity_key(),
)?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
let original_message = "L'homme est condamné à être libre";
let outgoing_message = encrypt(&mut alice_store, &bob_address, original_message).await?;
assert_eq!(
outgoing_message.message_type(),
CiphertextMessageType::PreKey
);
let incoming_message = CiphertextMessage::PreKeySignalMessage(
PreKeySignalMessage::try_from(outgoing_message.serialize())?,
);
bob_store
.save_signed_pre_key(
signed_pre_key_id,
&SignedPreKeyRecord::new(
signed_pre_key_id,
/*timestamp*/ 42,
&bob_signed_pre_key_pair,
&bob_signed_pre_key_signature,
),
None,
)
.await?;
let ptext = decrypt(&mut bob_store, &alice_address, &incoming_message).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
original_message
);
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
fn basic_session_v3() -> Result<(), SignalProtocolError> {
let (alice_session, bob_session) = initialize_sessions_v3()?;
run_session_interaction(alice_session, bob_session)?;
Ok(())
}
#[test]
fn message_key_limits() -> Result<(), SignalProtocolError> {
async {
let (alice_session_record, bob_session_record) = initialize_sessions_v3()?;
let alice_address = ProtocolAddress::new("+14159999999".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14158888888".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
alice_store
.store_session(&bob_address, &alice_session_record, None)
.await?;
bob_store
.store_session(&alice_address, &bob_session_record, None)
.await?;
const MAX_MESSAGE_KEYS: usize = 2000; // same value as in library
const TOO_MANY_MESSAGES: usize = MAX_MESSAGE_KEYS + 300;
let mut inflight = Vec::with_capacity(TOO_MANY_MESSAGES);
for i in 0..TOO_MANY_MESSAGES {
inflight
.push(encrypt(&mut alice_store, &bob_address, &format!("It's over {}", i)).await?);
}
assert_eq!(
String::from_utf8(decrypt(&mut bob_store, &alice_address, &inflight[1000]).await?)
.expect("valid utf8"),
"It's over 1000"
);
assert_eq!(
String::from_utf8(
decrypt(
&mut bob_store,
&alice_address,
&inflight[TOO_MANY_MESSAGES - 1]
)
.await?
)
.expect("valid utf8"),
format!("It's over {}", TOO_MANY_MESSAGES - 1)
);
let err = decrypt(&mut bob_store, &alice_address, &inflight[5])
.await
.unwrap_err();
assert!(matches!(
err,
SignalProtocolError::DuplicatedMessage(2300, 5)
));
Ok(())
}
.now_or_never()
.expect("sync")
}
#[allow(clippy::needless_range_loop)]
fn run_session_interaction(
alice_session: SessionRecord,
bob_session: SessionRecord,
) -> Result<(), SignalProtocolError> {
async {
use rand::seq::SliceRandom;
let alice_address = ProtocolAddress::new("+14159999999".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14158888888".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
alice_store
.store_session(&bob_address, &alice_session, None)
.await?;
bob_store
.store_session(&alice_address, &bob_session, None)
.await?;
let alice_plaintext = "This is Alice's message";
let alice_ciphertext = encrypt(&mut alice_store, &bob_address, alice_plaintext).await?;
let bob_decrypted = decrypt(&mut bob_store, &alice_address, &alice_ciphertext).await?;
assert_eq!(
String::from_utf8(bob_decrypted).expect("valid utf8"),
alice_plaintext
);
let bob_plaintext = "This is Bob's reply";
let bob_ciphertext = encrypt(&mut bob_store, &alice_address, bob_plaintext).await?;
let alice_decrypted = decrypt(&mut alice_store, &bob_address, &bob_ciphertext).await?;
assert_eq!(
String::from_utf8(alice_decrypted).expect("valid utf8"),
bob_plaintext
);
const ALICE_MESSAGE_COUNT: usize = 50;
const BOB_MESSAGE_COUNT: usize = 50;
let mut alice_messages = Vec::with_capacity(ALICE_MESSAGE_COUNT);
for i in 0..ALICE_MESSAGE_COUNT {
let ptext = format!("смерть за смерть {}", i);
let ctext = encrypt(&mut alice_store, &bob_address, &ptext).await?;
alice_messages.push((ptext, ctext));
}
let mut rng = rand::rngs::OsRng;
alice_messages.shuffle(&mut rng);
for i in 0..ALICE_MESSAGE_COUNT / 2 {
let ptext = decrypt(&mut bob_store, &alice_address, &alice_messages[i].1).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
alice_messages[i].0
);
}
let mut bob_messages = Vec::with_capacity(BOB_MESSAGE_COUNT);
for i in 0..BOB_MESSAGE_COUNT {
let ptext = format!("Relax in the safety of your own delusions. {}", i);
let ctext = encrypt(&mut bob_store, &alice_address, &ptext).await?;
bob_messages.push((ptext, ctext));
}
bob_messages.shuffle(&mut rng);
for i in 0..BOB_MESSAGE_COUNT / 2 {
let ptext = decrypt(&mut alice_store, &bob_address, &bob_messages[i].1).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
bob_messages[i].0
);
}
for i in ALICE_MESSAGE_COUNT / 2..ALICE_MESSAGE_COUNT {
let ptext = decrypt(&mut bob_store, &alice_address, &alice_messages[i].1).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
alice_messages[i].0
);
}
for i in BOB_MESSAGE_COUNT / 2..BOB_MESSAGE_COUNT {
let ptext = decrypt(&mut alice_store, &bob_address, &bob_messages[i].1).await?;
assert_eq!(
String::from_utf8(ptext).expect("valid utf8"),
bob_messages[i].0
);
}
Ok(())
}
.now_or_never()
.expect("sync")
}
async fn run_interaction(
alice_store: &mut InMemSignalProtocolStore,
alice_address: &ProtocolAddress,
bob_store: &mut InMemSignalProtocolStore,
bob_address: &ProtocolAddress,
) -> Result<(), SignalProtocolError> {
let alice_ptext = "It's rabbit season";
let alice_message = encrypt(alice_store, bob_address, alice_ptext).await?;
assert_eq!(alice_message.message_type(), CiphertextMessageType::Whisper);
assert_eq!(
String::from_utf8(decrypt(bob_store, alice_address, &alice_message).await?)
.expect("valid utf8"),
alice_ptext
);
let bob_ptext = "It's duck season";
let bob_message = encrypt(bob_store, alice_address, bob_ptext).await?;
assert_eq!(bob_message.message_type(), CiphertextMessageType::Whisper);
assert_eq!(
String::from_utf8(decrypt(alice_store, bob_address, &bob_message).await?)
.expect("valid utf8"),
bob_ptext
);
for i in 0..10 {
let alice_ptext = format!("A->B message {}", i);
let alice_message = encrypt(alice_store, bob_address, &alice_ptext).await?;
assert_eq!(alice_message.message_type(), CiphertextMessageType::Whisper);
assert_eq!(
String::from_utf8(decrypt(bob_store, alice_address, &alice_message).await?)
.expect("valid utf8"),
alice_ptext
);
}
for i in 0..10 {
let bob_ptext = format!("B->A message {}", i);
let bob_message = encrypt(bob_store, alice_address, &bob_ptext).await?;
assert_eq!(bob_message.message_type(), CiphertextMessageType::Whisper);
assert_eq!(
String::from_utf8(decrypt(alice_store, bob_address, &bob_message).await?)
.expect("valid utf8"),
bob_ptext
);
}
let mut alice_ooo_messages = vec![];
for i in 0..10 {
let alice_ptext = format!("A->B OOO message {}", i);
let alice_message = encrypt(alice_store, bob_address, &alice_ptext).await?;
alice_ooo_messages.push((alice_ptext, alice_message));
}
for i in 0..10 {
let alice_ptext = format!("A->B post-OOO message {}", i);
let alice_message = encrypt(alice_store, bob_address, &alice_ptext).await?;
assert_eq!(alice_message.message_type(), CiphertextMessageType::Whisper);
assert_eq!(
String::from_utf8(decrypt(bob_store, alice_address, &alice_message).await?)
.expect("valid utf8"),
alice_ptext
);
}
for i in 0..10 {
let bob_ptext = format!("B->A message post-OOO {}", i);
let bob_message = encrypt(bob_store, alice_address, &bob_ptext).await?;
assert_eq!(bob_message.message_type(), CiphertextMessageType::Whisper);
assert_eq!(
String::from_utf8(decrypt(alice_store, bob_address, &bob_message).await?)
.expect("valid utf8"),
bob_ptext
);
}
for (ptext, ctext) in alice_ooo_messages {
assert_eq!(
String::from_utf8(decrypt(bob_store, alice_address, &ctext).await?)
.expect("valid utf8"),
ptext
);
}
Ok(())
}
#[allow(clippy::eval_order_dependence)]
async fn is_session_id_equal(
alice_store: &dyn ProtocolStore,
alice_address: &ProtocolAddress,
bob_store: &dyn ProtocolStore,
bob_address: &ProtocolAddress,
) -> Result<bool, SignalProtocolError> {
Ok(alice_store
.load_session(bob_address, None)
.await?
.expect("session found")
.alice_base_key()?
== bob_store
.load_session(alice_address, None)
.await?
.expect("session found")
.alice_base_key()?)
}
#[test]
fn basic_simultaneous_initiate() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let alice_pre_key_bundle = create_pre_key_bundle(&mut alice_store, &mut csprng).await?;
let bob_pre_key_bundle = create_pre_key_bundle(&mut bob_store, &mut csprng).await?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
process_prekey_bundle(
&alice_address,
&mut bob_store.session_store,
&mut bob_store.identity_store,
&alice_pre_key_bundle,
&mut csprng,
None,
)
.await?;
let message_for_bob = encrypt(&mut alice_store, &bob_address, "hi bob").await?;
let message_for_alice = encrypt(&mut bob_store, &alice_address, "hi alice").await?;
assert_eq!(
message_for_bob.message_type(),
CiphertextMessageType::PreKey
);
assert_eq!(
message_for_alice.message_type(),
CiphertextMessageType::PreKey
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let alice_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_alice.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(alice_plaintext).expect("valid utf8"),
"hi alice"
);
let bob_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(bob_plaintext).expect("valid utf8"),
"hi bob"
);
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert_eq!(
bob_store
.load_session(&alice_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let alice_response = encrypt(&mut alice_store, &bob_address, "nice to see you").await?;
assert_eq!(
alice_response.message_type(),
CiphertextMessageType::Whisper
);
let response_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(alice_response.serialize())?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"nice to see you"
);
assert!(is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?);
let bob_response = encrypt(&mut bob_store, &alice_address, "you as well").await?;
assert_eq!(bob_response.message_type(), CiphertextMessageType::Whisper);
let response_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(bob_response.serialize())?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"you as well"
);
assert!(is_session_id_equal(&bob_store, &bob_address, &alice_store, &alice_address).await?);
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
fn simultaneous_initiate_with_lossage() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let alice_pre_key_bundle = create_pre_key_bundle(&mut alice_store, &mut csprng).await?;
let bob_pre_key_bundle = create_pre_key_bundle(&mut bob_store, &mut csprng).await?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
process_prekey_bundle(
&alice_address,
&mut bob_store.session_store,
&mut bob_store.identity_store,
&alice_pre_key_bundle,
&mut csprng,
None,
)
.await?;
let message_for_bob = encrypt(&mut alice_store, &bob_address, "hi bob").await?;
let message_for_alice = encrypt(&mut bob_store, &alice_address, "hi alice").await?;
assert_eq!(
message_for_bob.message_type(),
CiphertextMessageType::PreKey
);
assert_eq!(
message_for_alice.message_type(),
CiphertextMessageType::PreKey
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let bob_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(bob_plaintext).expect("valid utf8"),
"hi bob"
);
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert_eq!(
bob_store
.load_session(&alice_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
let alice_response = encrypt(&mut alice_store, &bob_address, "nice to see you").await?;
assert_eq!(alice_response.message_type(), CiphertextMessageType::PreKey);
let response_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
alice_response.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"nice to see you"
);
assert!(is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?);
let bob_response = encrypt(&mut bob_store, &alice_address, "you as well").await?;
assert_eq!(bob_response.message_type(), CiphertextMessageType::Whisper);
let response_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(bob_response.serialize())?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"you as well"
);
assert!(is_session_id_equal(&bob_store, &bob_address, &alice_store, &alice_address).await?);
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
fn simultaneous_initiate_lost_message() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let alice_pre_key_bundle = create_pre_key_bundle(&mut alice_store, &mut csprng).await?;
let bob_pre_key_bundle = create_pre_key_bundle(&mut bob_store, &mut csprng).await?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
process_prekey_bundle(
&alice_address,
&mut bob_store.session_store,
&mut bob_store.identity_store,
&alice_pre_key_bundle,
&mut csprng,
None,
)
.await?;
let message_for_bob = encrypt(&mut alice_store, &bob_address, "hi bob").await?;
let message_for_alice = encrypt(&mut bob_store, &alice_address, "hi alice").await?;
assert_eq!(
message_for_bob.message_type(),
CiphertextMessageType::PreKey
);
assert_eq!(
message_for_alice.message_type(),
CiphertextMessageType::PreKey
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let alice_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_alice.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(alice_plaintext).expect("valid utf8"),
"hi alice"
);
let bob_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(bob_plaintext).expect("valid utf8"),
"hi bob"
);
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert_eq!(
bob_store
.load_session(&alice_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let alice_response = encrypt(&mut alice_store, &bob_address, "nice to see you").await?;
assert_eq!(
alice_response.message_type(),
CiphertextMessageType::Whisper
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let bob_response = encrypt(&mut bob_store, &alice_address, "you as well").await?;
assert_eq!(bob_response.message_type(), CiphertextMessageType::Whisper);
let response_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(bob_response.serialize())?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"you as well"
);
assert!(is_session_id_equal(&bob_store, &bob_address, &alice_store, &alice_address).await?);
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
fn simultaneous_initiate_repeated_messages() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
for _ in 0..15 {
let alice_pre_key_bundle = create_pre_key_bundle(&mut alice_store, &mut csprng).await?;
let bob_pre_key_bundle = create_pre_key_bundle(&mut bob_store, &mut csprng).await?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
process_prekey_bundle(
&alice_address,
&mut bob_store.session_store,
&mut bob_store.identity_store,
&alice_pre_key_bundle,
&mut csprng,
None,
)
.await?;
let message_for_bob = encrypt(&mut alice_store, &bob_address, "hi bob").await?;
let message_for_alice = encrypt(&mut bob_store, &alice_address, "hi alice").await?;
assert_eq!(
message_for_bob.message_type(),
CiphertextMessageType::PreKey
);
assert_eq!(
message_for_alice.message_type(),
CiphertextMessageType::PreKey
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
let alice_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_alice.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(alice_plaintext).expect("valid utf8"),
"hi alice"
);
let bob_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(bob_plaintext).expect("valid utf8"),
"hi bob"
);
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert_eq!(
bob_store
.load_session(&alice_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
}
for _ in 0..50 {
let message_for_bob = encrypt(&mut alice_store, &bob_address, "hi bob").await?;
let message_for_alice = encrypt(&mut bob_store, &alice_address, "hi alice").await?;
assert_eq!(
message_for_bob.message_type(),
CiphertextMessageType::Whisper
);
assert_eq!(
message_for_alice.message_type(),
CiphertextMessageType::Whisper
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
let alice_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(
message_for_alice.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(alice_plaintext).expect("valid utf8"),
"hi alice"
);
let bob_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(
message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(bob_plaintext).expect("valid utf8"),
"hi bob"
);
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert_eq!(
bob_store
.load_session(&alice_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
}
let alice_response = encrypt(&mut alice_store, &bob_address, "nice to see you").await?;
assert_eq!(
alice_response.message_type(),
CiphertextMessageType::Whisper
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let bob_response = encrypt(&mut bob_store, &alice_address, "you as well").await?;
assert_eq!(bob_response.message_type(), CiphertextMessageType::Whisper);
let response_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(bob_response.serialize())?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"you as well"
);
assert!(is_session_id_equal(&bob_store, &bob_address, &alice_store, &alice_address).await?);
Ok(())
}
.now_or_never()
.expect("sync")
}
#[test]
fn simultaneous_initiate_lost_message_repeated_messages() -> Result<(), SignalProtocolError> {
async {
let mut csprng = OsRng;
let alice_address = ProtocolAddress::new("+14151111111".to_owned(), 1);
let bob_address = ProtocolAddress::new("+14151111112".to_owned(), 1);
let mut alice_store = support::test_in_memory_protocol_store()?;
let mut bob_store = support::test_in_memory_protocol_store()?;
let bob_pre_key_bundle = create_pre_key_bundle(&mut bob_store, &mut csprng).await?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
let lost_message_for_bob =
encrypt(&mut alice_store, &bob_address, "it was so long ago").await?;
for _ in 0..15 {
let alice_pre_key_bundle = create_pre_key_bundle(&mut alice_store, &mut csprng).await?;
let bob_pre_key_bundle = create_pre_key_bundle(&mut bob_store, &mut csprng).await?;
process_prekey_bundle(
&bob_address,
&mut alice_store.session_store,
&mut alice_store.identity_store,
&bob_pre_key_bundle,
&mut csprng,
None,
)
.await?;
process_prekey_bundle(
&alice_address,
&mut bob_store.session_store,
&mut bob_store.identity_store,
&alice_pre_key_bundle,
&mut csprng,
None,
)
.await?;
let message_for_bob = encrypt(&mut alice_store, &bob_address, "hi bob").await?;
let message_for_alice = encrypt(&mut bob_store, &alice_address, "hi alice").await?;
assert_eq!(
message_for_bob.message_type(),
CiphertextMessageType::PreKey
);
assert_eq!(
message_for_alice.message_type(),
CiphertextMessageType::PreKey
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
let alice_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_alice.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(alice_plaintext).expect("valid utf8"),
"hi alice"
);
let bob_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(bob_plaintext).expect("valid utf8"),
"hi bob"
);
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert_eq!(
bob_store
.load_session(&alice_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
}
for _ in 0..50 {
let message_for_bob = encrypt(&mut alice_store, &bob_address, "hi bob").await?;
let message_for_alice = encrypt(&mut bob_store, &alice_address, "hi alice").await?;
assert_eq!(
message_for_bob.message_type(),
CiphertextMessageType::Whisper
);
assert_eq!(
message_for_alice.message_type(),
CiphertextMessageType::Whisper
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
let alice_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(
message_for_alice.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(alice_plaintext).expect("valid utf8"),
"hi alice"
);
let bob_plaintext = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(
message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(bob_plaintext).expect("valid utf8"),
"hi bob"
);
assert_eq!(
alice_store
.load_session(&bob_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert_eq!(
bob_store
.load_session(&alice_address, None)
.await?
.expect("session found")
.session_version()?,
3
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address)
.await?
);
}
let alice_response = encrypt(&mut alice_store, &bob_address, "nice to see you").await?;
assert_eq!(
alice_response.message_type(),
CiphertextMessageType::Whisper
);
assert!(
!is_session_id_equal(&alice_store, &alice_address, &bob_store, &bob_address).await?
);
let bob_response = encrypt(&mut bob_store, &alice_address, "you as well").await?;
assert_eq!(bob_response.message_type(), CiphertextMessageType::Whisper);
let response_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(bob_response.serialize())?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"you as well"
);
assert!(is_session_id_equal(&bob_store, &bob_address, &alice_store, &alice_address).await?);
let blast_from_the_past = decrypt(
&mut bob_store,
&alice_address,
&CiphertextMessage::PreKeySignalMessage(PreKeySignalMessage::try_from(
lost_message_for_bob.serialize(),
)?),
)
.await?;
assert_eq!(
String::from_utf8(blast_from_the_past).expect("valid utf8"),
"it was so long ago"
);
assert!(
!is_session_id_equal(&bob_store, &bob_address, &alice_store, &alice_address).await?
);
let bob_response = encrypt(&mut bob_store, &alice_address, "so it was").await?;
assert_eq!(bob_response.message_type(), CiphertextMessageType::Whisper);
let response_plaintext = decrypt(
&mut alice_store,
&bob_address,
&CiphertextMessage::SignalMessage(SignalMessage::try_from(bob_response.serialize())?),
)
.await?;
assert_eq!(
String::from_utf8(response_plaintext).expect("valid utf8"),
"so it was"
);
assert!(is_session_id_equal(&bob_store, &bob_address, &alice_store, &alice_address).await?);
Ok(())
}
.now_or_never()
.expect("sync")
}