static void TestStuff()
{
CommonRoutines.SquirtBakedKey();
byte[] getQuoteResponseBytes = CommonRoutines.ParseFakeReply("68 05 CA 1A 1D 69 00 1B 21 31 8E D9 08 00 45 00 01 80 00 00 00 00 80 11 11 3C 0A 0A 0A 14 0A 0A 0A 0A 07 BF F4 96 01 6C 3F C7 01 00 00 00 00 00 00 00 57 00 00 01 00 00 00 00 07 73 73 68 2D 72 73 61 00 00 00 03 01 00 01 00 00 00 41 00 A9 52 43 21 04 37 54 10 11 92 9F 70 A8 D3 3B 4A 44 F3 62 C3 47 89 78 93 3E 38 D8 B8 FF 33 32 3F F8 8D 03 3B B0 D7 81 47 1A 79 75 A6 6F 38 57 D9 E7 82 9D 8D 51 7F 40 BA 50 4E 22 B5 95 95 13 B5 2A 5F C5 F6 6C F3 73 85 94 D2 72 4F A3 D9 C1 8E A9 09 7B 32 2F 38 14 FD 50 22 D1 FE B1 0B 16 CD 0B 5E D7 1B 5A CF 34 14 04 4D 49 91 25 44 A3 4C 4B 3E 01 B4 14 4F 33 FA D3 9B 84 A4 4A 23 7F 13 10 0E D4 FB EC 74 53 FD 52 62 95 8A AF D6 FC B6 DB 5B 07 43 3E 70 12 5E 71 9B 15 EB 82 81 60 01 0E A2 87 A0 86 12 E0 71 17 4E 2C 4F 4C 0E 29 57 D5 F2 73 8E 52 72 14 96 CD 19 17 60 AC D2 4C 02 5D EE D5 A7 D0 D4 14 F4 FE B0 71 8A 08 C7 86 94 0E B9 7F E9 ED E2 5C 97 30 C2 6C E0 72 2A CF EE BE 52 D1 32 48 75 00 0D 3C DA ED AA 5D 35 DC 0B B4 40 8D DB 65 F7 C1 56 54 D9 44 85 D1 1E 34 D1 17 A5 A9 41 9E 68 CD 0E 4C E1 BF 30 65 E3 0E 95 A2 46 EF A5 23 B5 5E 68 EA 1D 08 8A 12 19 57 05 34 B8 2E 71 DA 67 84 55 BB 74 92 D4 F3 B9 61 BE 56 8E D8 65 33 82 3E 7E 69 AF F1 92 59 CD 47 3F");
GetQuoteResponse gr = new GetQuoteResponse(getQuoteResponseBytes);
byte[] advanceCounterResponseBytes = CommonRoutines.ParseFakeReply("68 05 CA 1A 1D 69 00 1B 21 31 8E D9 08 00 45 00 00 70 00 00 00 00 80 11 12 4C 0A 0A 0A 14 0A 0A 0A 0A 07 BF F4 96 00 5C B6 A7 02 00 00 00 00 00 00 00 07 00 00 00 40 22 00 00 00 01 01 64 03 FC D3 33 B6 D2 25 38 08 7E FD 31 E6 64 D5 A9 C0 5D 26 E1 2E 4C 97 8D AC D5 EA 6D 50 5A C6 EF 98 62 DC 4B 54 AF 32 96 E3 5D EF 96 D3 B6 83 D3 80 8F 68 EE 8F 3E 9F 7C 9C B2 EB 50 EF F4 52 3B");
AdvanceCounterResponse a = new AdvanceCounterResponse(advanceCounterResponseBytes, gr.PublicKey);
while (true) { }
}
public static RSACryptoServiceProvider GetIroncladPublicKey(UdpClient client)
{
GetQuoteRequest getQuoteRequest = new GetQuoteRequest();
byte[] request = getQuoteRequest.GetPacket();
byte[] response = CommonRoutines.SendRequest(client, request, "GetIroncladPublicKey");
GetQuoteResponse getQuoteResponse = new GetQuoteResponse(response);
return(getQuoteResponse.PublicKey);
}
public byte[] HandleRequest(byte[] requestBytes)
{
object request = NotaryRequest.ParseRequest(requestBytes);
if (request is Common.GetQuoteRequest)
{
GetQuoteResponse getQuoteResponse = new GetQuoteResponse(0, key_pair);
return getQuoteResponse.Encode();
}
if (request is AdvanceCounterRequest)
{
AdvanceCounterRequest r = (AdvanceCounterRequest)request;
counter = counter + 1;
byte[] header = new byte[1];
header[0] = 34;
byte[] new_counter_value_encoding = CommonRoutines.EncodeMPBigInteger(counter);
byte[] notary_statement = CommonRoutines.CombineByteArrays(header, new_counter_value_encoding, r.message);
byte[] notary_attestation = key_pair.SignData(notary_statement, CryptoConfig.MapNameToOID("SHA256"));
return NotarySrvResponse.EncodeAdvanceCounterResponse(0, notary_statement, notary_attestation);
}
return InvalidResponse.Encode();
}
public static RSACryptoServiceProvider GetIroncladPublicKey(UdpClient client)
{
GetQuoteRequest getQuoteRequest = new GetQuoteRequest();
byte[] request = getQuoteRequest.GetPacket();
byte[] response = CommonRoutines.SendRequest(client, request, "GetIroncladPublicKey");
GetQuoteResponse getQuoteResponse = new GetQuoteResponse(response);
return getQuoteResponse.PublicKey;
}
public byte[] HandleRequest(byte[] requestBytes)
{
object request = DiffPrivRequest.ParseRequest(requestBytes);
if (request is Common.GetQuoteRequest)
{
GetQuoteResponse getQuoteResponse = new GetQuoteResponse(0, key_pair);
return getQuoteResponse.Encode();
}
if (request is InitializeDBRequest)
{
InitializeDBRequest r = (InitializeDBRequest)request;
if (rows_received != 0)
{
Console.Error.WriteLine("Received request to initialize DB after receiving rows");
return DiffPrivSrvResponse.EncodeInitializeDBResponse(18);
}
if (r.budget_num < r.budget_den)
{
Console.Error.WriteLine("Received request to initialize DB with budget < 1");
return DiffPrivSrvResponse.EncodeInitializeDBResponse(16);
}
budget = new BigRational(r.budget_num, r.budget_den);
rows.Clear();
return DiffPrivSrvResponse.EncodeInitializeDBResponse(0);
}
if (request is AddRowRequest)
{
byte[] ciphertext = ((AddRowRequest)request).ciphertext;
byte[] plaintext;
try
{
plaintext = key_pair.Decrypt(ciphertext, false);
}
catch
{
Console.Error.WriteLine("Received undecryptable add-row request");
return DiffPrivSrvResponse.EncodeAddRowResponse();
}
HandleAddRowRequest(plaintext);
return DiffPrivSrvResponse.EncodeAddRowResponse();
}
if (request is QueryRequest)
{
QueryRequest r = (QueryRequest)request;
return HandleQueryRequest(r);
}
return InvalidResponse.Encode();
}
public byte[] HandleRequest(byte[] requestBytes)
{
object request = TrIncRequest.ParseRequest(requestBytes);
if (request is Common.GetQuoteRequest)
{
GetQuoteResponse getQuoteResponse = new GetQuoteResponse(0, key_pair);
return getQuoteResponse.Encode();
}
if (request is CreateCounterRequest)
{
CreateCounterRequest r = (CreateCounterRequest)request;
RSACryptoServiceProvider public_key = CommonRoutines.DecodePublicKey(r.public_key);
if (public_key == null)
{
return TrIncSrvResponse.EncodeCreateCounterResponse(3, 0);
}
TrIncCounter counter = new TrIncCounter(public_key);
counters.Add(counter);
UInt32 counter_index = (UInt32)(counters.Count - 1);
return TrIncSrvResponse.EncodeCreateCounterResponse(0, counter_index);
}
if (request is AdvanceCounterRequest)
{
AdvanceCounterRequest r = (AdvanceCounterRequest)request;
if (r.counter_index < 0 || r.counter_index >= counters.Count)
{
Console.Error.WriteLine("Received request for invalid counter index {0}", r.counter_index);
return TrIncSrvResponse.EncodeAdvanceCounterResponse(1, new byte[0], new byte[0]);
}
TrIncCounter counter = counters[(int)r.counter_index];
byte[] req = CommonRoutines.CombineByteArrays(r.new_counter_value, r.message);
if (!counter.PublicKey.VerifyData(req, CryptoConfig.MapNameToOID("SHA256"), r.request_attestation))
{
Console.Error.WriteLine("Received invalid request attestation");
return TrIncSrvResponse.EncodeAdvanceCounterResponse(5, new byte[0], new byte[0]);
}
int offset = 0;
BigInteger new_counter_value = CommonRoutines.DecodeMPBigInteger(r.new_counter_value, ref offset);
if (new_counter_value < 0 || offset != r.new_counter_value.Length)
{
Console.Error.WriteLine("Received invalid new counter value encoding");
return TrIncSrvResponse.EncodeAdvanceCounterResponse(6, new byte[0], new byte[0]);
}
if (new_counter_value < counter.Value)
{
Console.Error.WriteLine("New counter value requested {0} is smaller than current counter value {1}", new_counter_value, counter.Value);
return TrIncSrvResponse.EncodeAdvanceCounterResponse(7, new byte[0], new byte[0]);
}
BigInteger old_counter_value = counter.Value;
counter.Value = new_counter_value;
byte[] header = new byte[1];
header[0] = 34;
byte[] counter_index_encoding = CommonRoutines.EncodeBEWord(r.counter_index);
byte[] old_counter_value_encoding = CommonRoutines.EncodeMPBigInteger(old_counter_value);
byte[] new_counter_value_encoding = CommonRoutines.EncodeMPBigInteger(new_counter_value);
byte[] trinc_statement = CommonRoutines.CombineByteArrays(header, counter_index_encoding, old_counter_value_encoding, new_counter_value_encoding, r.message);
byte[] trinc_attestation = key_pair.SignData(trinc_statement, CryptoConfig.MapNameToOID("SHA256"));
return TrIncSrvResponse.EncodeAdvanceCounterResponse(0, trinc_statement, trinc_attestation);
}
return InvalidResponse.Encode();
}
