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								//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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								//
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								#import "OWSFingerprint.h"
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								#import "SSKBaseTestObjC.h"
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								#import <Curve25519Kit/Curve25519.h>
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								@interface OWSFingerprintTest : SSKBaseTestObjC
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								@end
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								#pragma mark -
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								@implementation OWSFingerprintTest
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								- (void)testDisplayableTextInsertsSpaces
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								{
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								    NSString *aliceStableId = @"+13231111111";
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								    NSData *aliceIdentityKey = [Curve25519 generateKeyPair].publicKey;
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								    NSString *bobStableId = @"+14152222222";
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								    NSData *bobIdentityKey = [Curve25519 generateKeyPair].publicKey;
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								    OWSFingerprint *aliceFingerprint = [OWSFingerprint fingerprintWithMyStableId:aliceStableId
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								                                                                   myIdentityKey:aliceIdentityKey
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								                                                                   theirStableId:bobStableId
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								                                                                theirIdentityKey:bobIdentityKey
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								                                                                       theirName:@"Bob"
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								                                                                  hashIterations:2];
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								    NSString *displayableText = aliceFingerprint.displayableText;
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(0, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(1, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(2, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(3, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(4, 1)]);
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								    XCTAssertEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(5, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(6, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(7, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(8, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(9, 1)]);
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								    XCTAssertNotEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(10, 1)]);
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								    XCTAssertEqualObjects(@" ", [displayableText substringWithRange:NSMakeRange(11, 1)]);
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								}
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								- (void)testTextMatchesReciprocally
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								{
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								    NSString *aliceStableId = @"+13231111111";
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								    NSData *aliceIdentityKey = [Curve25519 generateKeyPair].publicKey;
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								    NSString *bobStableId = @"+14152222222";
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								    NSData *bobIdentityKey = [Curve25519 generateKeyPair].publicKey;
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								    NSString *charlieStableId = @"+14153333333";
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								    NSData *charlieIdentityKey = [Curve25519 generateKeyPair].publicKey;
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								    OWSFingerprint *aliceFingerprint = [OWSFingerprint fingerprintWithMyStableId:aliceStableId
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								                                                                   myIdentityKey:aliceIdentityKey
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								                                                                   theirStableId:bobStableId
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								                                                                theirIdentityKey:bobIdentityKey
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								                                                                       theirName:@"Bob"
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								                                                                  hashIterations:2];
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								    OWSFingerprint *bobFingerprint = [OWSFingerprint fingerprintWithMyStableId:bobStableId
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								                                                                 myIdentityKey:bobIdentityKey
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								                                                                 theirStableId:aliceStableId
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								                                                              theirIdentityKey:aliceIdentityKey
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								                                                                     theirName:@"Alice"
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								                                                                hashIterations:2];
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								    OWSFingerprint *charlieFingerprint = [OWSFingerprint fingerprintWithMyStableId:charlieStableId
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								                                                                     myIdentityKey:charlieIdentityKey
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								                                                                     theirStableId:aliceStableId
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								                                                                  theirIdentityKey:aliceIdentityKey
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								                                                                         theirName:@"Alice"
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								                                                                    hashIterations:2];
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								    XCTAssertEqualObjects(aliceFingerprint.displayableText, bobFingerprint.displayableText);
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								    XCTAssertNotEqualObjects(aliceFingerprint.displayableText, charlieFingerprint.displayableText);
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								}
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								@end
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