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/*
Copyright 2018 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#import <XCTest/XCTest.h>
#import <OLMKit/OLMKit.h>
/**
Tests are inspired from js tests.
*/
@interface OLMKitPkTests : XCTestCase {
OLMPkEncryption *encryption;
OLMPkDecryption *decryption;
}
@end
@implementation OLMKitPkTests
- (void)setUp {
encryption = [OLMPkEncryption new];
decryption = [OLMPkDecryption new];
}
- (void)tearDown {
encryption = nil;
decryption = nil;
}
- (void)testImportExportKeys {
UInt8 alicePrivateBytes[] = {
0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
};
NSData *alicePrivate = [NSData dataWithBytes:alicePrivateBytes length:sizeof(alicePrivateBytes)];
NSError *error;
NSString *alicePublic = [decryption setPrivateKey:alicePrivate error:&error];
XCTAssertNil(error);
XCTAssertEqualObjects(alicePublic, @"hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmo");
NSData *alicePrivateOut = decryption.privateKey;
XCTAssertNil(error);
XCTAssertEqualObjects(alicePrivateOut, alicePrivate);
}
- (void)testEncryptAndDecrypt {
NSString *pubKey = [decryption generateKey:nil];
NSLog(@"Ephemeral Key: %@", pubKey);
XCTAssertNotNil(pubKey);
NSString *TEST_TEXT = @"têst1";
NSError *error;
[encryption setRecipientKey:pubKey];
OLMPkMessage *message = [encryption encryptMessage:TEST_TEXT error:&error];
NSLog(@"message: %@ %@ %@", message.ciphertext, message.mac, message.ephemeralKey);
XCTAssertNil(error);
XCTAssertNotNil(message);
XCTAssertNotNil(message.ciphertext);
XCTAssertNotNil(message.mac);
XCTAssertNotNil(message.ephemeralKey);
NSString *decrypted = [decryption decryptMessage:message error:&error];
XCTAssertNil(error);
XCTAssertEqualObjects(decrypted, TEST_TEXT);
TEST_TEXT = @"hot beverage: ☕";
[encryption setRecipientKey:pubKey];
message = [encryption encryptMessage:TEST_TEXT error:&error];
decrypted = [decryption decryptMessage:message error:&error];
XCTAssertEqualObjects(decrypted, TEST_TEXT);
}
- (void)testOLMPkDecryptionSerialization {
NSString *TEST_TEXT = @"têst1";
NSString *pubKey = [decryption generateKey:nil];
[encryption setRecipientKey:pubKey];
OLMPkMessage *encrypted = [encryption encryptMessage:TEST_TEXT error:nil];
NSData *pickle = [NSKeyedArchiver archivedDataWithRootObject:decryption];
decryption = nil;
OLMPkDecryption *newDecryption = [NSKeyedUnarchiver unarchiveObjectWithData:pickle];
NSError *error;
NSString *decrypted = [newDecryption decryptMessage:encrypted error:&error];
XCTAssertEqualObjects(decrypted, TEST_TEXT);
}
@end
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