246 lines
9.4 KiB
Objective-C
246 lines
9.4 KiB
Objective-C
/*
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Copyright 2016 Chris Ballinger
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Copyright 2016 OpenMarket Ltd
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Copyright 2016 Vector Creations Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import <XCTest/XCTest.h>
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#import <OLMKit/OLMKit.h>
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@interface OLMKitTests : XCTestCase
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@end
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@implementation OLMKitTests
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- (void)testAliceAndBob {
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OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
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[bob generateOneTimeKeys:5];
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[self _testAliceAndBob:bob withBobKeys:bob.oneTimeKeys];
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}
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- (void)testAliceAndBobFallbackKey {
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OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
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[bob generateFallbackKey];
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[self _testAliceAndBob:bob withBobKeys:bob.fallbackKey];
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}
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- (void)_testAliceAndBob:(OLMAccount *)bob withBobKeys:(NSDictionary *)bobKeys {
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XCTAssertNotNil(bob);
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XCTAssertNotNil(bobKeys);
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NSError *error;
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NSString *bobIdKey = bob.identityKeys[@"curve25519"];
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XCTAssertNotNil(bobIdKey);
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__block NSString *bobKeyValue = nil;
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[bobKeys[@"curve25519"] enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
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bobKeyValue = obj;
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}];
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XCTAssert([bobKeyValue isKindOfClass:[NSString class]]);
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OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
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OLMSession *aliceSession = [[OLMSession alloc] initOutboundSessionWithAccount:alice theirIdentityKey:bobIdKey theirOneTimeKey:bobKeyValue error:nil];
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NSString *message = @"Hello!";
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OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message error:&error];
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XCTAssertNil(error);
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OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext error:nil];
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NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg error:&error];
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XCTAssertEqualObjects(message, plaintext);
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XCTAssertNil(error);
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XCTAssert([bobSession matchesInboundSession:aliceToBobMsg.ciphertext]);
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XCTAssertFalse([aliceSession matchesInboundSession:@"ARandomOtkMessage"]);
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NSString *aliceIdKey = alice.identityKeys[@"curve25519"];
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XCTAssert([bobSession matchesInboundSessionFrom:aliceIdKey oneTimeKeyMessage:aliceToBobMsg.ciphertext]);
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XCTAssertFalse([bobSession matchesInboundSessionFrom:@"ARandomIdKey" oneTimeKeyMessage:aliceToBobMsg.ciphertext]);
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XCTAssertFalse([bobSession matchesInboundSessionFrom:aliceIdKey oneTimeKeyMessage:@"ARandomOtkMessage"]);
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BOOL success = [bob removeOneTimeKeysForSession:bobSession];
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XCTAssertTrue(success);
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}
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- (void)testBackAndForthWithOneTimeKeys {
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OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
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[bob generateOneTimeKeys:1];
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[self _testBackAndForthWithBob:bob andBobKeys:bob.oneTimeKeys];
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}
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- (void)testBackAndForthWithFallbackKey {
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OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
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[bob generateFallbackKey];
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[self _testBackAndForthWithBob:bob andBobKeys:bob.fallbackKey];
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}
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- (void)_testBackAndForthWithBob:(OLMAccount *)bob andBobKeys:(NSDictionary *)bobKeys {
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XCTAssertNotNil(bob);
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XCTAssertNotNil(bobKeys);
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NSString *bobIdKey = bob.identityKeys[@"curve25519"];
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XCTAssertNotNil(bobIdKey);
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__block NSString *bobKeyValue = nil;
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[bobKeys[@"curve25519"] enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
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bobKeyValue = obj;
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}];
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XCTAssert([bobKeyValue isKindOfClass:[NSString class]]);
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OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
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OLMSession *aliceSession = [[OLMSession alloc] initOutboundSessionWithAccount:alice theirIdentityKey:bobIdKey theirOneTimeKey:bobKeyValue error:nil];
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NSString *message = @"Hello I'm Alice!";
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OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message error:nil];
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OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext error:nil];
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NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg error:nil];
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XCTAssertEqualObjects(message, plaintext);
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BOOL success = [bob removeOneTimeKeysForSession:bobSession];
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XCTAssertTrue(success);
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NSString *msg1 = @"Hello I'm Bob!";
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NSString *msg2 = @"Isn't life grand?";
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NSString *msg3 = @"Let's go to the opera.";
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OLMMessage *eMsg1 = [bobSession encryptMessage:msg1 error:nil];
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OLMMessage *eMsg2 = [bobSession encryptMessage:msg2 error:nil];
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OLMMessage *eMsg3 = [bobSession encryptMessage:msg3 error:nil];
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NSString *dMsg1 = [aliceSession decryptMessage:eMsg1 error:nil];
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NSString *dMsg2 = [aliceSession decryptMessage:eMsg2 error:nil];
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NSString *dMsg3 = [aliceSession decryptMessage:eMsg3 error:nil];
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XCTAssertEqualObjects(msg1, dMsg1);
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XCTAssertEqualObjects(msg2, dMsg2);
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XCTAssertEqualObjects(msg3, dMsg3);
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}
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- (void)testAccountSerialization {
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OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
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[bob generateOneTimeKeys:5];
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[bob generateFallbackKey];
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NSDictionary *bobIdKeys = bob.identityKeys;
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NSDictionary *bobOneTimeKeys = bob.oneTimeKeys;
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NSDictionary *bobFallbackKey = bob.fallbackKey;
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NSError *error;
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NSData *bobData = [NSKeyedArchiver archivedDataWithRootObject:bob requiringSecureCoding:NO error:&error];
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XCTAssertNil(error);
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OLMAccount *bob2 = [NSKeyedUnarchiver unarchivedObjectOfClass:[OLMAccount class] fromData:bobData error:&error];
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XCTAssertNil(error);
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NSDictionary *bobIdKeys2 = bob2.identityKeys;
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NSDictionary *bobOneTimeKeys2 = bob2.oneTimeKeys;
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NSDictionary *bobFallbackKey2 = bob2.fallbackKey;
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XCTAssertEqualObjects(bobIdKeys, bobIdKeys2);
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XCTAssertEqualObjects(bobOneTimeKeys, bobOneTimeKeys2);
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XCTAssertEqualObjects(bobFallbackKey, bobFallbackKey2);
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}
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- (void)testSessionSerializationWithOneTimeKey {
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OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
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[bob generateOneTimeKeys:1];
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[self _testSessionSerializationWithBob:bob bobKeys:bob.oneTimeKeys];
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}
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- (void)testSessionSerializationWithFallbackKey {
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OLMAccount *bob = [[OLMAccount alloc] initNewAccount];
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[bob generateFallbackKey];
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[self _testSessionSerializationWithBob:bob bobKeys:bob.fallbackKey];
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}
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- (void)_testSessionSerializationWithBob:(OLMAccount *)bob bobKeys:(NSDictionary *)bobKeys {
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NSError *error;
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NSString *bobIdKey = bob.identityKeys[@"curve25519"];
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XCTAssertNotNil(bobIdKey);
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__block NSString *bobKeyValue = nil;
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[bobKeys[@"curve25519"] enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
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bobKeyValue = obj;
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}];
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XCTAssert([bobKeyValue isKindOfClass:[NSString class]]);
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OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
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OLMSession *aliceSession = [[OLMSession alloc] initOutboundSessionWithAccount:alice theirIdentityKey:bobIdKey theirOneTimeKey:bobKeyValue error:nil];
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NSString *message = @"Hello I'm Alice!";
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OLMMessage *aliceToBobMsg = [aliceSession encryptMessage:message error:&error];
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XCTAssertNil(error);
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OLMSession *bobSession = [[OLMSession alloc] initInboundSessionWithAccount:bob oneTimeKeyMessage:aliceToBobMsg.ciphertext error:nil];
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NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg error:nil];
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XCTAssertEqualObjects(message, plaintext);
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BOOL success = [bob removeOneTimeKeysForSession:bobSession];
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XCTAssertTrue(success);
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NSString *msg1 = @"Hello I'm Bob!";
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NSString *msg2 = @"Isn't life grand?";
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NSString *msg3 = @"Let's go to the opera.";
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OLMMessage *eMsg1 = [bobSession encryptMessage:msg1 error:nil];
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OLMMessage *eMsg2 = [bobSession encryptMessage:msg2 error:nil];
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OLMMessage *eMsg3 = [bobSession encryptMessage:msg3 error:nil];
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NSData *aliceData = [NSKeyedArchiver archivedDataWithRootObject:aliceSession requiringSecureCoding:NO error:&error];
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XCTAssertNil(error);
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OLMSession *alice2 = [NSKeyedUnarchiver unarchivedObjectOfClass:[OLMSession class] fromData:aliceData error:&error];
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XCTAssertNil(error);
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NSString *dMsg1 = [alice2 decryptMessage:eMsg1 error:nil];
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NSString *dMsg2 = [alice2 decryptMessage:eMsg2 error:nil];
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NSString *dMsg3 = [alice2 decryptMessage:eMsg3 error:nil];
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XCTAssertEqualObjects(msg1, dMsg1);
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XCTAssertEqualObjects(msg2, dMsg2);
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XCTAssertEqualObjects(msg3, dMsg3);
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}
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- (void)testEd25519Signing {
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NSError *error;
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OLMUtility *olmUtility = [[OLMUtility alloc] init];
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OLMAccount *alice = [[OLMAccount alloc] initNewAccount];
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NSDictionary *aJSON = @{
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@"key1": @"value1",
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@"key2": @"value2"
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};
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NSData *message = [NSKeyedArchiver archivedDataWithRootObject:aJSON requiringSecureCoding:NO error:&error];
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XCTAssertNil(error);
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NSString *signature = [alice signMessage:message];
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NSString *aliceEd25519Key = alice.identityKeys[@"ed25519"];
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BOOL result = [olmUtility verifyEd25519Signature:signature key:aliceEd25519Key message:message error:&error];
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XCTAssert(result);
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XCTAssertNil(error);
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}
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@end
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