public TLSRecordHandlerTest(string server, int port)
{
string path = System.Reflection.Assembly.GetAssembly(typeof(TLSRecordHandlerTest)).Location;
string directory = Path.GetDirectoryName(path);
_server = server;
_port = port;
_pluginManager = new CipherSuitePluginManager(directory);
_cipherSuite = _pluginManager.GetCipherSuite(VERSION, CIPHER_SUITE);
if (_cipherSuite != null)
{
Console.WriteLine("Got cipher suite");
}
else
{
throw new Exception("Error finding cipher suite!");
}
_recordHandler = new RecordHandler(VERSION, true);
}
private static CipherSuite SelectCipherSuite(CipherSuitePluginManager pluginManager,
ProtocolVersion clientVersion, ProtocolVersion minVersion, ProtocolVersion maxVersion,
List <UInt16> clientSuites, List <UInt16> serverSuites,
ServerCertificateSelectionCallback certificateSelectionCallback,
List <X509CertificateCollection> availableCertificates)
{
if (clientVersion < minVersion)
{
throw new AlertException(AlertDescription.ProtocolVersion,
"Offered client version " + clientVersion +
" lower than minimum supported version " + minVersion);
}
// Initialize our return value as null
CipherSuite selectedCipherSuite = null;
// Run as long as we either select a cipher suite or run out of versions
ProtocolVersion selectedVersion = clientVersion < maxVersion ? clientVersion : maxVersion;
while (selectedCipherSuite == null)
{
foreach (UInt16 id in clientSuites)
{
if (!serverSuites.Contains(id))
{
continue;
}
// Try initializing the cipher suite based on ID
selectedCipherSuite = pluginManager.GetCipherSuite(selectedVersion, id);
if (selectedCipherSuite == null)
{
continue;
}
// Try selecting a suitable certificate for this cipher suite
int certificateIndex = certificateSelectionCallback(selectedCipherSuite, availableCertificates.ToArray());
if (certificateIndex >= 0 && certificateIndex < availableCertificates.Count)
{
// We finally found the valid suite, break out from the loop
break;
}
// No certificate was found for the suite, ignore
selectedCipherSuite = null;
}
if (selectedCipherSuite != null)
{
break;
}
if (selectedVersion == minVersion)
{
break;
}
selectedVersion = selectedVersion.PreviousProtocolVersion;
}
if (selectedCipherSuite == null)
{
throw new AlertException(AlertDescription.HandshakeFailure,
"None of the cipher suites offered by client is accepted");
}
return(selectedCipherSuite);
}
public void PaddingTest()
{
CipherSuitePluginManager pluginManager = GetPluginManager();
CipherSuite cipherSuite;
RecordHandler clientHandler = new RecordHandler(ProtocolVersion.SSL3_0, true);
RecordHandler serverHandler = new RecordHandler(ProtocolVersion.SSL3_0, false);
cipherSuite = pluginManager.GetCipherSuite(ProtocolVersion.SSL3_0, 0x002f);
Assert.IsNotNull(cipherSuite);
ConnectionState connectionState = new ConnectionState(new byte[32], new byte[32], new byte[48]);
clientHandler.SetCipherSuite(cipherSuite, connectionState);
serverHandler.SetCipherSuite(cipherSuite, connectionState);
clientHandler.ChangeLocalState();
serverHandler.ChangeRemoteState();
Record record = new Record(22, ProtocolVersion.SSL3_0);
int blockSize = cipherSuite.BulkCipherAlgorithm.BlockSize;
for (int i = 0; i < blockSize * 2; i++)
{
byte[] data = new byte[i];
record.Fragment = (byte[])data.Clone();
clientHandler.ProcessOutputRecord(record);
Assert.AreEqual(0, record.Fragment.Length % blockSize);
serverHandler.ProcessInputRecord(record);
Assert.AreEqual(data, record.Fragment);
}
cipherSuite = pluginManager.GetCipherSuite(ProtocolVersion.TLS1_0, 0x002f);
Assert.IsNotNull(cipherSuite);
clientHandler.SetCipherSuite(cipherSuite, connectionState);
serverHandler.SetCipherSuite(cipherSuite, connectionState);
clientHandler.ChangeLocalState();
serverHandler.ChangeRemoteState();
record = new Record(22, ProtocolVersion.TLS1_0);
for (int i = 0; i < blockSize * 2; i++)
{
byte[] data = new byte[i];
record.Fragment = (byte[])data.Clone();
clientHandler.ProcessOutputRecord(record);
Assert.AreEqual(0, record.Fragment.Length % blockSize);
serverHandler.ProcessInputRecord(record);
Assert.AreEqual(data, record.Fragment);
}
cipherSuite = pluginManager.GetCipherSuite(ProtocolVersion.TLS1_2, 0x00a3);
Assert.IsNotNull(cipherSuite);
clientHandler.SetCipherSuite(cipherSuite, connectionState);
serverHandler.SetCipherSuite(cipherSuite, connectionState);
clientHandler.ChangeLocalState();
serverHandler.ChangeRemoteState();
record = new Record(22, ProtocolVersion.TLS1_2);
for (int i = 0; i < blockSize * 2; i++)
{
byte[] data = new byte[i];
record.Fragment = (byte[])data.Clone();
clientHandler.ProcessOutputRecord(record);
Assert.AreEqual(8 + data.Length + 16, record.Fragment.Length);
serverHandler.ProcessInputRecord(record);
Assert.AreEqual(data, record.Fragment);
}
}
public void SSLv3Test()
{
byte[] finished1eb = new byte[] {
0x16, 0x03, 0x00, 0x00, 0x40, 0x3c, 0xcd, 0xad,
0xec, 0xd6, 0x18, 0x75, 0x2e, 0x6e, 0x37, 0xdf,
0x19, 0x6d, 0x4f, 0xd4, 0x9c, 0x2c, 0x42, 0x1c,
0xe7, 0x74, 0x45, 0xf9, 0x77, 0xb1, 0xde, 0x79,
0x0f, 0xc4, 0x8b, 0xaf, 0x85, 0x7b, 0xa3, 0x73,
0x92, 0x4c, 0xb7, 0xf4, 0xa3, 0x45, 0x78, 0x53,
0x88, 0x18, 0xff, 0x2f, 0x3f, 0x7d, 0x27, 0xa1,
0x4c, 0xa4, 0x1a, 0x5d, 0x81, 0x8d, 0xf3, 0xc8,
0x3b, 0xb3, 0x71, 0x77, 0x59
};
byte[] finished2eb = new byte[] {
0x16, 0x03, 0x00, 0x00, 0x40, 0xaa, 0xd4, 0x9e,
0x02, 0x07, 0x52, 0x0f, 0xb0, 0x82, 0x79, 0x9a,
0xbe, 0x53, 0xce, 0xfe, 0x66, 0xb3, 0xd5, 0xb1,
0x58, 0x84, 0x5e, 0xe4, 0x7a, 0xb7, 0x86, 0x4c,
0xbe, 0x33, 0x75, 0xc0, 0x57, 0xab, 0x78, 0xba,
0x18, 0x02, 0xa8, 0xcb, 0x26, 0x2b, 0x0d, 0x3e,
0x3a, 0xdb, 0xc5, 0x7a, 0xb8, 0x33, 0x6c, 0x35,
0xe3, 0xa6, 0x09, 0xfe, 0x54, 0x45, 0xd0, 0x66,
0xad, 0x95, 0xff, 0xb0, 0x3c
};
byte[] finished1db = new byte[] {
0x16, 0x03, 0x00, 0x00, 0x28, 0x14, 0x00, 0x00,
0x24, 0x98, 0x29, 0xF5, 0xAB, 0x95, 0xFD, 0x76,
0x14, 0xDA, 0xA0, 0xA7, 0x97, 0x22, 0xCF, 0xB5,
0x27, 0x8C, 0x96, 0xC6, 0xC7, 0x37, 0xDF, 0xD6,
0x25, 0xB9, 0x19, 0x65, 0x2B, 0xA5, 0x06, 0x7D,
0x10, 0x73, 0x7A, 0x59, 0xEA
};
byte[] finished2db = new byte[] {
0x16, 0x03, 0x00, 0x00, 0x28, 0x14, 0x00, 0x00,
0x24, 0x34, 0xCC, 0xA5, 0xD0, 0x08, 0x84, 0x26,
0x19, 0xD9, 0xE5, 0x20, 0x68, 0x7B, 0xE5, 0x27,
0xC8, 0x82, 0x71, 0x4E, 0xB1, 0x0E, 0xED, 0xE9,
0x52, 0x01, 0xF3, 0xBE, 0x10, 0x46, 0x52, 0xDE,
0x68, 0x2B, 0x42, 0xF8, 0x5F
};
byte[] crandom = new byte[] {
0x4e, 0x60, 0xc6, 0xbd, 0x66, 0xbb, 0x66, 0x74,
0xc8, 0xa2, 0x65, 0x5a, 0x1c, 0x3d, 0xf3, 0x7d,
0xb0, 0xbc, 0x39, 0x60, 0x82, 0x6b, 0xec, 0xe9,
0x62, 0xc6, 0xaa, 0x92, 0x5f, 0x7c, 0x3d, 0x3a
};
byte[] srandom = new byte[] {
0x4e, 0x60, 0xc6, 0xb9, 0x1f, 0xff, 0xb5, 0x62,
0xad, 0x3b, 0xe9, 0x16, 0xd9, 0x80, 0x04, 0xc5,
0x91, 0x92, 0xa7, 0x1b, 0xe1, 0x39, 0x9e, 0x91,
0x16, 0x76, 0xe1, 0x71, 0x2a, 0x9e, 0x23, 0x62
};
byte[] master = new byte[] {
0x7C, 0xEE, 0xFE, 0xE3, 0x6A, 0x10, 0x82, 0xDC,
0x69, 0xB0, 0xF2, 0x7C, 0xB6, 0xC1, 0xE9, 0x93,
0xD8, 0x53, 0x40, 0x52, 0x7F, 0xAB, 0x2A, 0x45,
0x3B, 0x4D, 0x69, 0xEF, 0x67, 0x60, 0xC2, 0x0E,
0x97, 0x23, 0x40, 0x2B, 0x5A, 0x99, 0x90, 0x06,
0xA7, 0x13, 0x10, 0x47, 0x5A, 0xC7, 0x6A, 0xAA
};
Record finished1 = GetRecord(finished1db);
Record finished2 = GetRecord(finished2eb);
CipherSuitePluginManager pluginManager = GetPluginManager();
RecordHandler recordHandler = new RecordHandler(ProtocolVersion.SSL3_0, true);
CipherSuite cipherSuite = pluginManager.GetCipherSuite(ProtocolVersion.SSL3_0, 0x000a);
Assert.IsNotNull(cipherSuite);
// Set correct cipher suite
ConnectionState connectionState = new ConnectionState(crandom, srandom, master);
recordHandler.SetCipherSuite(cipherSuite, connectionState);
// Test that initial state doesn't modify records
recordHandler.ProcessOutputRecord(finished1);
recordHandler.ProcessInputRecord(finished2);
Assert.AreEqual(finished1db, finished1.GetBytes());
Assert.AreEqual(finished2eb, finished2.GetBytes());
recordHandler.ChangeLocalState();
recordHandler.ProcessOutputRecord(finished1);
recordHandler.ChangeRemoteState();
recordHandler.ProcessInputRecord(finished2);
// Ignore last block, it has some random padding
int bsize = cipherSuite.BulkCipherAlgorithm.BlockSize;
byte[] tmp1 = new byte[finished1eb.Length - bsize];
byte[] tmp2 = new byte[finished1eb.Length - bsize];
Buffer.BlockCopy(finished1eb, 0, tmp1, 0, tmp1.Length);
Buffer.BlockCopy(finished1.GetBytes(), 0, tmp2, 0, tmp2.Length);
Assert.AreEqual(tmp1, tmp2);
Assert.AreEqual(finished2db, finished2.GetBytes());
}
public void TLSv10Test()
{
byte[] finished1eb1 = new byte[] {
0x16, 0x03, 0x01, 0x00, 0x30, 0x78, 0x02, 0x93,
0x89, 0x26, 0x70, 0xDD, 0x57, 0x12, 0xD5, 0x47,
0xC5, 0xE3, 0x9E, 0xE7, 0x03, 0x2A, 0x41, 0x35,
0x46, 0xE3, 0x13, 0x06, 0xBB, 0x4F, 0x21, 0xEB,
0x3D, 0x5F, 0x42, 0xF6, 0xBF, 0x89, 0x4B, 0x43,
0x8C, 0x77, 0x29, 0xF9, 0x54, 0xDC, 0xCB, 0x0E,
0xE6, 0xA4, 0xA0, 0x13, 0xF8
};
byte[] finished1eb2 = new byte[] {
0x16, 0x03, 0x01, 0x00, 0x40, 0x78, 0x02, 0x93,
0x89, 0x26, 0x70, 0xdd, 0x57, 0x12, 0xd5, 0x47,
0xc5, 0xe3, 0x9e, 0xe7, 0x03, 0x2a, 0x41, 0x35,
0x46, 0xe3, 0x13, 0x06, 0xbb, 0x4f, 0x21, 0xeb,
0x3d, 0x5f, 0x42, 0xf6, 0xbf, 0x1f, 0x91, 0x7c,
0xf3, 0xf5, 0x07, 0x84, 0xc4, 0x51, 0x89, 0x73,
0xbb, 0xb1, 0x88, 0x35, 0xcd, 0x21, 0xa9, 0x2a,
0x1a, 0x08, 0xfc, 0x23, 0x4b, 0x9f, 0x9b, 0x0a,
0x83, 0x47, 0x2c, 0x2e, 0x81
};
byte[] finished2eb = new byte[] {
0x16, 0x03, 0x01, 0x00, 0x30, 0xde, 0x54, 0x89,
0x2f, 0x60, 0x2f, 0x3e, 0x88, 0x6f, 0x78, 0xac,
0xed, 0xf9, 0xf8, 0x56, 0x31, 0xbd, 0x55, 0x3f,
0x7f, 0x82, 0x41, 0xfa, 0x49, 0x4c, 0x16, 0x01,
0x13, 0x91, 0xcb, 0xcc, 0x78, 0x3f, 0x89, 0x86,
0xaa, 0x58, 0xd1, 0x73, 0x76, 0xb3, 0xa2, 0x82,
0x99, 0x02, 0x07, 0x95, 0x56
};
byte[] finished1db = new byte[] {
0x16, 0x03, 0x01, 0x00, 0x10, 0x14, 0x00, 0x00,
0x0C, 0x21, 0x39, 0xB0, 0xD0, 0x3F, 0x12, 0x1F,
0x3B, 0x76, 0x1A, 0xE7, 0x71
};
byte[] finished2db = new byte[] {
0x16, 0x03, 0x01, 0x00, 0x10, 0x14, 0x00, 0x00,
0x0C, 0xDE, 0x0C, 0x18, 0x26, 0x54, 0x99, 0x6F,
0x29, 0xA2, 0x72, 0x91, 0xC4
};
byte[] crandom = new byte[] {
0x4e, 0x60, 0xe1, 0xed, 0x13, 0x2c, 0x19, 0xe5,
0x44, 0xaf, 0xb2, 0xe1, 0x1d, 0x97, 0x67, 0x47,
0xaf, 0x5a, 0xb8, 0xf4, 0x7e, 0xcb, 0xbe, 0x42,
0x4f, 0x3b, 0x24, 0x9e, 0xff, 0x0f, 0x5d, 0x87
};
byte[] srandom = new byte[] {
0x4e, 0x60, 0xe2, 0xa4, 0x9e, 0x37, 0xea, 0x2a,
0xc1, 0xbe, 0xe9, 0x3d, 0x05, 0x04, 0xb9, 0x83,
0x57, 0x2a, 0x03, 0xf0, 0x1a, 0x6a, 0xe5, 0x53,
0x08, 0xa9, 0x01, 0xb0, 0x06, 0x2a, 0x9a, 0x79
};
byte[] master = new byte[] {
0xB2, 0xEC, 0xD1, 0x59, 0x9C, 0x97, 0x49, 0x58,
0xFB, 0x86, 0x9A, 0x65, 0xEB, 0x8F, 0x91, 0x31,
0x54, 0xAC, 0x41, 0xCD, 0xF8, 0x12, 0x8F, 0xCA,
0x25, 0xF0, 0x06, 0x91, 0xFE, 0xF3, 0x09, 0x7F,
0x04, 0x6F, 0x9D, 0x75, 0x24, 0x52, 0xCD, 0xC5,
0x69, 0xE2, 0x0C, 0xB2, 0xB3, 0xCD, 0xA0, 0x02
};
Record finished1 = GetRecord(finished1db);
Record finished2 = GetRecord(finished2eb);
CipherSuitePluginManager pluginManager = GetPluginManager();
RecordHandler recordHandler = new RecordHandler(ProtocolVersion.SSL3_0, true);
CipherSuite cipherSuite = pluginManager.GetCipherSuite(ProtocolVersion.TLS1_0, 0x002f);
Assert.IsNotNull(cipherSuite);
// Set correct cipher suite
ConnectionState connectionState = new ConnectionState(crandom, srandom, master);
recordHandler.SetCipherSuite(cipherSuite, connectionState);
// Test that initial state doesn't modify records
recordHandler.ProcessOutputRecord(finished1);
recordHandler.ProcessInputRecord(finished2);
Assert.AreEqual(finished1db, finished1.GetBytes());
Assert.AreEqual(finished2eb, finished2.GetBytes());
recordHandler.ChangeLocalState();
recordHandler.ProcessOutputRecord(finished1);
recordHandler.ChangeRemoteState();
recordHandler.ProcessInputRecord(finished2);
if (finished1.GetBytes().Length == finished1eb1.Length)
{
Assert.AreEqual(finished1eb1, finished1.GetBytes());
}
else
{
Assert.AreEqual(finished1eb2, finished1.GetBytes());
}
Assert.AreEqual(finished2db, finished2.GetBytes());
}
public void TLSv12Test()
{
byte[] finished2eb = new byte[] {
0x16, 0x03, 0x03, 0x00, 0x28, 0x77, 0xb7, 0x66,
0x18, 0x6f, 0x70, 0x52, 0x14, 0xc9, 0xa4, 0xbc,
0xbf, 0x26, 0x05, 0xf7, 0x99, 0x42, 0xb1, 0xc5,
0xc3, 0xcf, 0x3c, 0xb6, 0x48, 0x34, 0xfc, 0xd6,
0x35, 0x45, 0xf0, 0x12, 0xce, 0x1b, 0x0b, 0xff,
0x94, 0x15, 0x8f, 0x56, 0xda
};
byte[] finished1db = new byte[] {
0x16, 0x03, 0x03, 0x00, 0x10, 0x14, 0x00, 0x00,
0x0C, 0x01, 0xE4, 0xC1, 0xFF, 0x6B, 0x7E, 0x2F,
0x6F, 0x6B, 0xC5, 0x16, 0xE6
};
byte[] finished2db = new byte[] {
0x16, 0x03, 0x03, 0x00, 0x10, 0x14, 0x00, 0x00,
0x0C, 0x83, 0x51, 0x75, 0x4D, 0x01, 0x37, 0x51,
0xEE, 0x72, 0x2F, 0xAE, 0x90
};
byte[] crandom = new byte[] {
0x4e, 0x61, 0xfd, 0x0b, 0x16, 0x0e, 0x3c, 0x92,
0xa0, 0x15, 0x90, 0x61, 0xfb, 0x2e, 0x51, 0xb4,
0x8f, 0xb0, 0xf5, 0xf2, 0x67, 0x4e, 0x20, 0x7f,
0xc3, 0x0d, 0x8e, 0x85, 0xdb, 0xfb, 0x58, 0xac
};
byte[] srandom = new byte[] {
0x4e, 0x61, 0xfd, 0xe6, 0xf9, 0x06, 0x4d, 0x7c,
0x4c, 0x5b, 0x0b, 0x72, 0x6a, 0xba, 0x86, 0x76,
0xd9, 0x7d, 0xce, 0xcc, 0xd5, 0x24, 0x60, 0x6e,
0xaf, 0x16, 0x0f, 0x85, 0x52, 0x8d, 0xba, 0x86
};
byte[] master = new byte[] {
0xCA, 0xCB, 0xE5, 0x65, 0x39, 0x78, 0xFC, 0xCE,
0x18, 0xD8, 0x1C, 0xD8, 0xAD, 0x4E, 0x5E, 0x91,
0x18, 0x2B, 0x0E, 0xEF, 0x60, 0x13, 0xBB, 0xBF,
0xD8, 0x62, 0x77, 0x7F, 0xA3, 0xEF, 0x76, 0xAB,
0x7E, 0x3A, 0x26, 0xF2, 0xE1, 0xB8, 0x50, 0x46,
0x65, 0x85, 0x04, 0x23, 0xCC, 0x52, 0x2C, 0x87
};
Record finished1 = GetRecord(finished1db);
Record finished2 = GetRecord(finished2eb);
CipherSuitePluginManager pluginManager = GetPluginManager();
RecordHandler recordHandler = new RecordHandler(ProtocolVersion.SSL3_0, true);
// Check that GCM suite is not available in TLS 1.1
CipherSuite nullSuite = pluginManager.GetCipherSuite(ProtocolVersion.TLS1_1, 0x00a2);
Assert.IsNull(nullSuite);
// Check that GCM suite is available in TLS 1.2
CipherSuite cipherSuite = pluginManager.GetCipherSuite(ProtocolVersion.TLS1_2, 0x00a2);
Assert.IsNotNull(cipherSuite);
// Set correct cipher suite
ConnectionState connectionState = new ConnectionState(crandom, srandom, master);
recordHandler.SetCipherSuite(cipherSuite, connectionState);
// Test that initial state doesn't modify records
recordHandler.ProcessOutputRecord(finished1);
recordHandler.ProcessInputRecord(finished2);
Assert.AreEqual(finished1db, finished1.GetBytes());
Assert.AreEqual(finished2eb, finished2.GetBytes());
recordHandler.ChangeLocalState();
recordHandler.ProcessOutputRecord(finished1);
recordHandler.ChangeRemoteState();
recordHandler.ProcessInputRecord(finished2);
Assert.AreEqual(finished2db, finished2.GetBytes());
}