PapaTutuWawa/omemo_dart
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style: Format using dart format

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PapaTutuWawa
2023-06-12 19:20:43 +02:00
parent f2ec7bd759
commit 65f1daff55
35 changed files with 713 additions and 461 deletions
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18
lib/src/x3dh/x3dh.dart
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@@ -12,7 +12,6 @@ const omemoX3DHInfoString = 'OMEMO X3DH';
/// Performed by Alice
class X3DHAliceResult {
const X3DHAliceResult(this.ek, this.sk, this.opkId, this.ad);
final OmemoKeyPair ek;
final List<int> sk;
@@ -22,7 +21,6 @@ class X3DHAliceResult {
/// Received by Bob
class X3DHMessage {
const X3DHMessage(this.ik, this.ek, this.opkId);
final OmemoPublicKey ik;
final OmemoPublicKey ek;
@@ -30,7 +28,6 @@ class X3DHMessage {
}
class X3DHBobResult {
const X3DHBobResult(this.sk, this.ad);
final List<int> sk;
final List<int> ad;
@@ -39,7 +36,8 @@ class X3DHBobResult {
/// Sign [message] using the keypair [keyPair]. Note that [keyPair] must be
/// a Ed25519 keypair.
Future<List<int>> sig(OmemoKeyPair keyPair, List<int> message) async {
assert(keyPair.type == KeyPairType.ed25519, 'Signature keypair must be Ed25519');
assert(
keyPair.type == KeyPairType.ed25519, 'Signature keypair must be Ed25519',);
final signature = await Ed25519().sign(
message,
keyPair: await keyPair.asKeyPair(),
@@ -70,7 +68,8 @@ Future<List<int>> kdf(List<int> km) async {
/// Alice builds a session with Bob using his bundle [bundle] and Alice's identity key
/// pair [ik].
Future<X3DHAliceResult> x3dhFromBundle(OmemoBundle bundle, OmemoKeyPair ik) async {
Future<X3DHAliceResult> x3dhFromBundle(
OmemoBundle bundle, OmemoKeyPair ik,) async {
// Check the signature first
final signatureValue = await Ed25519().verify(
await bundle.spk.getBytes(),
@@ -91,9 +90,9 @@ Future<X3DHAliceResult> x3dhFromBundle(OmemoBundle bundle, OmemoKeyPair ik) asyn
final opkIndex = random.nextInt(bundle.opksEncoded.length);
final opkId = bundle.opksEncoded.keys.elementAt(opkIndex);
final opk = bundle.getOpk(opkId);
final dh1 = await omemoDH(ik, bundle.spk, 1);
final dh2 = await omemoDH(ek, bundle.ik, 2);
final dh2 = await omemoDH(ek, bundle.ik, 2);
final dh3 = await omemoDH(ek, bundle.spk, 0);
final dh4 = await omemoDH(ek, opk, 0);
@@ -108,9 +107,10 @@ Future<X3DHAliceResult> x3dhFromBundle(OmemoBundle bundle, OmemoKeyPair ik) asyn
/// Bob builds the X3DH shared secret from the inital message [msg], the SPK [spk], the
/// OPK [opk] that was selected by Alice and our IK [ik]. Returns the shared secret.
Future<X3DHBobResult> x3dhFromInitialMessage(X3DHMessage msg, OmemoKeyPair spk, OmemoKeyPair opk, OmemoKeyPair ik) async {
Future<X3DHBobResult> x3dhFromInitialMessage(X3DHMessage msg, OmemoKeyPair spk,
OmemoKeyPair opk, OmemoKeyPair ik,) async {
final dh1 = await omemoDH(spk, msg.ik, 2);
final dh2 = await omemoDH(ik, msg.ek, 1);
final dh2 = await omemoDH(ik, msg.ek, 1);
final dh3 = await omemoDH(spk, msg.ek, 0);
final dh4 = await omemoDH(opk, msg.ek, 0);