33 lines
1.1 KiB
Objective-C
33 lines
1.1 KiB
Objective-C
#import <XCTest/XCTest.h>
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#import "HashChain.h"
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#import "Util.h"
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#import "CryptoTools.h"
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#import "TestUtil.h"
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@interface HashChainTest : XCTestCase
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@end
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@implementation HashChainTest
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-(void) testHashChainKnown {
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testThrows([HashChain hashChainWithSeed:nil]);
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NSData* d0 = [NSMutableData dataWithLength:32];
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NSData* d1 = [@[@0x66,@0x68,@0x7A,@0xAD,@0xF8,@0x62,@0xBD,@0x77,@0x6C,@0x8F,@0xC1,@0x8B,@0x8E,@0x9F,@0x8E,@0x20,@0x08,@0x97,@0x14,@0x85,@0x6E,@0xE2,@0x33,@0xB3,@0x90,@0x2A,@0x59,@0x1D,@0x0D,@0x5F,@0x29,@0x25] toUint8Data];
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NSData* d2 = [d1 hashWithSha256];
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NSData* d3 = [d2 hashWithSha256];
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HashChain* h = [HashChain hashChainWithSeed:d0];
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test([[h h0] isEqualToData:d0]);
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test([[h h1] isEqualToData:d1]);
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test([[h h2] isEqualToData:d2]);
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test([[h h3] isEqualToData:d3]);
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}
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-(void) testHashChainRandom {
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HashChain* h = [HashChain hashChainWithSecureGeneratedData];
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// maybe we'll find a collision! ... maybe not
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test(![[h h1] isEqualToData:[h h3]]);
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test(![[[HashChain hashChainWithSecureGeneratedData] h2] isEqualToData:[[HashChain hashChainWithSecureGeneratedData] h2]]);
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}
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@end
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