78 lines
4.1 KiB
Objective-C
78 lines
4.1 KiB
Objective-C
#import <XCTest/XCTest.h>
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#import "HelloPacket.h"
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#import "TestUtil.h"
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#import "Util.h"
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#import "Crc32.h"
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@interface HandshakePacketTest : XCTestCase
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@end
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@implementation HandshakePacketTest
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-(void) testHelloPacket {
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[Environment setCurrent:testEnv];
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HashChain* h = [HashChain hashChainWithSeed:[NSData dataWithLength:32]];
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HelloPacket* p = [HelloPacket helloPacketWithVersion:[@"1.10" encodedAsUtf8]
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andClientId:[@"RedPhone 019 " encodedAsAscii]
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andHashChainH3:[h h3]
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andZid:[Zid zidWithData:increasingData(12)]
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andFlags0SMP:0
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andFlagsUnusedLow4:0
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andFlagsUnusedHigh4:0
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andHashSpecIds:@[]
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andCipherSpecIds:@[]
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andAuthSpecIds:@[]
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andAgreeSpecIds:@[]
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andSasSpecIds:@[]
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authenticatedWithHmacKey:[h h2]];
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NSData* data = [[[p embeddedIntoHandshakePacket] embeddedIntoRtpPacketWithSequenceNumber:0x25 usingInteropOptions:@[]] rawPacketDataUsingInteropOptions:@[]];
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uint8_t expectedData[] = {
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0x10,0x0,
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0x00,0x25, // sequence number
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0x5a,0x52,0x54,0x50, //timestamp: 'ZRTP'
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0,0,0,0, // source identifier
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0x50,0x5A, // extension type = 'PZ', 01010000 01011010
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0x00,88, // extension length =
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0x48,0x65,0x6C,0x6C,0x6F,0x20,0x20,0x20, //type: "Hello "
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0x31,0x2E,0x31,0x30, //version: "1.10"
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0x52,0x65,0x64,0x50,0x68,0x6F,0x6E,0x65,0x20,0x30,0x31,0x39,0x20,0x20,0x20,0x20, // client id: "RedPhone 019 "
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0x12,0x77,0x13,0x55,0xe4,0x6c,0xd4,0x7c,0x71,0xed,0x17,0x21,0xfd,0x53,0x19,0xb3,0x83,0xcc,0xa3,0xa1,0xf9,0xfc,0xe3,0xaa,0x1c,0x8c,0xd3,0xbd,0x37,0xaf,0x20,0xd7, // h3
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0,1,2,3,4,5,6,7,8,9,10,11, // ZID
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0,0,0,0, // unused flags and counts
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0x4c,0xbd,0x3e,0xc7,0x2c,0x74,0xce,0xea, //mac
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0xd5,0xdd,0x9d,0x8e //crc
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};
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test([data isEqualToData:[NSData dataWithBytes:expectedData length:sizeof(expectedData)]]);
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}
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-(void) testLegacyHelloPacket {
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[Environment setCurrent:testEnvWith(ENVIRONMENT_LEGACY_OPTION_RTP_PADDING_BIT_IMPLIES_EXTENSION_BIT_AND_TWELVE_EXTRA_ZERO_BYTES_IN_HEADER)];
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HashChain* h = [HashChain hashChainWithSeed:[NSData dataWithLength:32]];
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uint8_t legacySpecifiedData_raw[] = {
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0x20,0x0, // <-- wrong flag
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0x00,0x25, // sequence number
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0x5a,0x52,0x54,0x50, //timestamp: 'ZRTP'
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0,0,0,0, // source identifier
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0,0,0,0,0,0,0,0,0,0,0,0, // <-- incorrect zeroes between header and message
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0x50,0x5A, // extension type = 'PZ', 01010000 01011010
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0x00,88, // extension length =
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0x48,0x65,0x6C,0x6C,0x6F,0x20,0x20,0x20, //type: "Hello "
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0x31,0x2E,0x31,0x30, //version: "1.10"
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0x52,0x65,0x64,0x50,0x68,0x6F,0x6E,0x65,0x20,0x30,0x31,0x39,0x20,0x20,0x20,0x20, // client id: "RedPhone 019 "
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0x12,0x77,0x13,0x55,0xe4,0x6c,0xd4,0x7c,0x71,0xed,0x17,0x21,0xfd,0x53,0x19,0xb3,0x83,0xcc,0xa3,0xa1,0xf9,0xfc,0xe3,0xaa,0x1c,0x8c,0xd3,0xbd,0x37,0xaf,0x20,0xd7, // h3
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0,1,2,3,4,5,6,7,8,9,10,11, // ZID
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0,0,0,0, // unused flags and counts
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0x4c,0xbd,0x3e,0xc7,0x2c,0x74,0xce,0xea, //mac
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0xf5,0xd9,0xea,0xdd //crc
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};
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NSData* legacySpecifiedData = [NSData dataWithBytes:legacySpecifiedData_raw length:sizeof(legacySpecifiedData_raw)];
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RtpPacket* rtp = [RtpPacket rtpPacketParsedFromPacketData:legacySpecifiedData];
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HelloPacket* p = [HelloPacket helloPacketParsedFromHandshakePacket:[HandshakePacket handshakePacketParsedFromRtpPacket:rtp]];
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[p verifyMacWithHashChainH2:h.h2];
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test(rtp.wasAdjustedDueToInteropIssues);
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test([p.hashChainH3 isEqual:h.h3]);
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test([p.clientId isEqual:[@"RedPhone 019 " encodedAsAscii]]);
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}
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@end
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