142 lines
4.7 KiB
Text
142 lines
4.7 KiB
Text
/*
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Copyright 2018 New Vector 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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/**
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Tests are inspired from js tests.
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*/
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@interface OLMKitPkTests : XCTestCase {
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OLMPkEncryption *encryption;
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OLMPkDecryption *decryption;
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}
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@end
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@implementation OLMKitPkTests
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- (void)setUp {
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encryption = [OLMPkEncryption new];
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decryption = [OLMPkDecryption new];
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}
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- (void)tearDown {
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encryption = nil;
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decryption = nil;
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}
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- (void)testImportExportKeys {
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UInt8 alicePrivateBytes[] = {
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0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
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0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
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0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
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0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
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};
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NSData *alicePrivate = [NSData dataWithBytes:alicePrivateBytes length:sizeof(alicePrivateBytes)];
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NSError *error;
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NSString *alicePublic = [decryption setPrivateKey:alicePrivate error:&error];
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XCTAssertNil(error);
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XCTAssertEqualObjects(alicePublic, @"hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmo");
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NSData *alicePrivateOut = decryption.privateKey;
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XCTAssertNil(error);
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XCTAssertEqualObjects(alicePrivateOut, alicePrivate);
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}
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- (void)testEncryptAndDecrypt {
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NSString *pubKey = [decryption generateKey:nil];
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NSLog(@"Ephemeral Key: %@", pubKey);
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XCTAssertNotNil(pubKey);
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NSString *TEST_TEXT = @"têst1";
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NSError *error;
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[encryption setRecipientKey:pubKey];
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OLMPkMessage *message = [encryption encryptMessage:TEST_TEXT error:&error];
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NSLog(@"message: %@ %@ %@", message.ciphertext, message.mac, message.ephemeralKey);
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XCTAssertNil(error);
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XCTAssertNotNil(message);
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XCTAssertNotNil(message.ciphertext);
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XCTAssertNotNil(message.mac);
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XCTAssertNotNil(message.ephemeralKey);
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NSString *decrypted = [decryption decryptMessage:message error:&error];
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XCTAssertNil(error);
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XCTAssertEqualObjects(decrypted, TEST_TEXT);
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TEST_TEXT = @"hot beverage: ☕";
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[encryption setRecipientKey:pubKey];
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message = [encryption encryptMessage:TEST_TEXT error:&error];
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decrypted = [decryption decryptMessage:message error:&error];
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XCTAssertEqualObjects(decrypted, TEST_TEXT);
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}
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- (void)testOLMPkDecryptionSerialization {
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NSString *TEST_TEXT = @"têst1";
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NSString *pubKey = [decryption generateKey:nil];
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[encryption setRecipientKey:pubKey];
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OLMPkMessage *encrypted = [encryption encryptMessage:TEST_TEXT error:nil];
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NSData *pickle = [NSKeyedArchiver archivedDataWithRootObject:decryption];
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decryption = nil;
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OLMPkDecryption *newDecryption = [NSKeyedUnarchiver unarchiveObjectWithData:pickle];
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NSError *error;
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NSString *decrypted = [newDecryption decryptMessage:encrypted error:&error];
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XCTAssertEqualObjects(decrypted, TEST_TEXT);
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}
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- (void)testSignAndVerify {
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UInt8 seedBytes[] = {
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0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
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0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
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0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
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0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
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};
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NSData *seed = [NSData dataWithBytes:seedBytes length:sizeof(seedBytes)];
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NSString *TEST_TEXT = @"We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.";
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OLMPkSigning *signing = [OLMPkSigning new];
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NSError *error;
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NSString *pubKey = [signing doInitWithSeed:seed error:&error];
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XCTAssertNotNil(pubKey);
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XCTAssertNil(error);
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NSString *sig = [signing sign:TEST_TEXT error:&error];
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XCTAssertNotNil(sig);
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XCTAssertNil(error);
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OLMUtility *util = [OLMUtility new];
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BOOL verify = [util verifyEd25519Signature:sig key:pubKey message:[TEST_TEXT dataUsingEncoding:NSUTF8StringEncoding] error:&error];
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XCTAssertTrue(verify);
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XCTAssertNil(error);
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NSString *badSig = [sig stringByReplacingCharactersInRange:NSMakeRange(0, 1) withString:@"p"];
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verify = [util verifyEd25519Signature:badSig key:pubKey message:[TEST_TEXT dataUsingEncoding:NSUTF8StringEncoding] error:&error];
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XCTAssertFalse(verify);
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XCTAssertNotNil(error);
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}
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@end
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