public void SaveAsync(Bitmessage bm)
{
if (SentData == null)
{
throw new Exception("Payload.SaveAsync SentData == null");
}
if (String.IsNullOrEmpty(Command) || (Command.Length > 30))
{
throw new Exception("Payload.SaveAsync Command incorrect =" + Command);
}
if (InventoryVector == null)
{
throw new Exception("Payload.SaveAsync InventoryVector==null");
}
if (InventoryVector.Length != 32)
{
throw new Exception("Payload.SaveAsync InventoryVector.Length != 32");
}
if (bm.MemoryInventory.Insert(InventoryVector))
{
bm.DB.InsertOrReplaceAsync(this);
}
bm.OnNewPayload(this);
}
internal void SendAsync(Bitmessage bitmessage)
{
LastPubkeySendTime = DateTime.UtcNow;
SaveAsync(bitmessage.DB);
new Task(() =>
new Payload(Command, SentData).SaveAsync(bitmessage)
).Start();
}
internal void SendAsync(Bitmessage bitmessage)
{
LastPubkeySendTime = DateTime.UtcNow;
SaveAsync(bitmessage.DB);
new Task(() =>
new Payload(Command, SentData).SaveAsync(bitmessage)
).Start();
}
public void SaveAsync(Bitmessage bm)
{
if (SentData == null)
throw new Exception("Payload.SaveAsync SentData == null");
if (String.IsNullOrEmpty(Command) || (Command.Length > 30))
throw new Exception("Payload.SaveAsync Command incorrect =" + Command);
if (InventoryVector == null)
throw new Exception("Payload.SaveAsync InventoryVector==null");
if (InventoryVector.Length != 32)
throw new Exception("Payload.SaveAsync InventoryVector.Length != 32");
if(bm.MemoryInventory.Insert(InventoryVector))
bm.DB.InsertOrReplaceAsync(this);
bm.OnNewPayload(this);
}
public Broadcast(Bitmessage bm, Payload payload)
{
Status = Status.Invalid;
try
{
int pos = payload.FirstByteAfterTime;
Version = payload.SentData.ReadVarInt(ref pos);
if (Version == 2)
{
_inventoryVector = payload.InventoryVector;
Stream = payload.SentData.ReadVarInt(ref pos);
byte[] encrypted = payload.SentData.ReadBytes(ref pos, payload.Length - pos);
byte[] decryptedData = null;
Pubkey encryptionKey = null;
foreach (Pubkey subscriptionKey in bm.Subscriptions(Stream4DB))
{
if (subscriptionKey.Stream != _stream) continue;
try
{
decryptedData = subscriptionKey.DecryptAes256Cbc4Broadcast(encrypted);
encryptionKey = subscriptionKey;
}
// ReSharper disable EmptyGeneralCatchClause
catch
{
} // ReSharper restore EmptyGeneralCatchClause
if (decryptedData != null)
break;
}
if ((decryptedData == null) || (encryptionKey == null))
{
Status = Status.Encrypted;
return;
}
if (encryptionKey.SubscriptionIndex < int.MaxValue)
{
encryptionKey.SubscriptionIndex += 1;
encryptionKey.SaveAsync(bm.DB).Wait();
}
pos = 0;
/*var signedBroadcastVersion = */
decryptedData.ReadVarInt(ref pos);
Pubkey keyFromMsg = new Pubkey(decryptedData, ref pos);
if (!encryptionKey.Hash.SequenceEqual(keyFromMsg.Hash))
return;
Key = encryptionKey.Name;
EncodingType = (EncodingType) decryptedData.ReadVarInt(ref pos);
decryptedData.ReadVarStrSubjectAndBody(ref pos, out _subject, out _body);
int posOfEndMsg = pos;
UInt64 signatureLength = decryptedData.ReadVarInt(ref pos);
byte[] signature = decryptedData.ReadBytes(ref pos, (int) signatureLength);
byte[] data = new byte[posOfEndMsg];
Buffer.BlockCopy(decryptedData, 0, data, 0, posOfEndMsg);
if (data.ECDSAVerify(encryptionKey.SigningKey, signature))
Status = Status.Valid;
}
}
catch
{
Status = Status.Invalid;
}
}
public Broadcast(Bitmessage bm, Payload payload)
{
Status = Status.Invalid;
try
{
int pos = payload.FirstByteAfterTime;
Version = payload.SentData.ReadVarInt(ref pos);
if (Version == 2)
{
_inventoryVector = payload.InventoryVector;
Stream = payload.SentData.ReadVarInt(ref pos);
byte[] encrypted = payload.SentData.ReadBytes(ref pos, payload.Length - pos);
byte[] decryptedData = null;
Pubkey encryptionKey = null;
foreach (Pubkey subscriptionKey in bm.Subscriptions(Stream4DB))
{
if (subscriptionKey.Stream != _stream)
{
continue;
}
try
{
decryptedData = subscriptionKey.DecryptAes256Cbc4Broadcast(encrypted);
encryptionKey = subscriptionKey;
}
// ReSharper disable EmptyGeneralCatchClause
catch
{
} // ReSharper restore EmptyGeneralCatchClause
if (decryptedData != null)
{
break;
}
}
if ((decryptedData == null) || (encryptionKey == null))
{
Status = Status.Encrypted;
return;
}
if (encryptionKey.SubscriptionIndex < int.MaxValue)
{
encryptionKey.SubscriptionIndex += 1;
encryptionKey.SaveAsync(bm.DB).Wait();
}
pos = 0;
/*var signedBroadcastVersion = */
decryptedData.ReadVarInt(ref pos);
Pubkey keyFromMsg = new Pubkey(decryptedData, ref pos);
if (!encryptionKey.Hash.SequenceEqual(keyFromMsg.Hash))
{
return;
}
Key = encryptionKey.Name;
EncodingType = (EncodingType)decryptedData.ReadVarInt(ref pos);
decryptedData.ReadVarStrSubjectAndBody(ref pos, out _subject, out _body);
int posOfEndMsg = pos;
UInt64 signatureLength = decryptedData.ReadVarInt(ref pos);
byte[] signature = decryptedData.ReadBytes(ref pos, (int)signatureLength);
byte[] data = new byte[posOfEndMsg];
Buffer.BlockCopy(decryptedData, 0, data, 0, posOfEndMsg);
if (data.ECDSAVerify(encryptionKey.SigningKey, signature))
{
Status = Status.Valid;
}
}
}
catch
{
Status = Status.Invalid;
}
}
public Broadcast(Bitmessage bm)
{
_bm = bm;
}
public Broadcast(Bitmessage bm)
{
_bm = bm;
}
public Msg(Bitmessage bm, Payload payload)
{
Status = Status.Invalid;
try
{
int pos = payload.FirstByteAfterTime;
_inventoryVector = payload.InventoryVector;
Stream = payload.SentData.ReadVarInt(ref pos);
byte[] encrypted = payload.SentData.ReadBytes(ref pos, payload.Length - pos);
// TODO Check ask data
byte[] decryptedData = null;
PrivateKey myEncryptionKey = null;
foreach (PrivateKey myKey in bm.ListMyAddresses())
{
if (myKey.Stream != _stream)
{
continue;
}
try
{
decryptedData = myKey.DecryptAES256CBC4Msg(encrypted);
myEncryptionKey = myKey;
}
// ReSharper disable EmptyGeneralCatchClause
catch
{
} // ReSharper restore EmptyGeneralCatchClause
if (decryptedData != null)
{
break;
}
}
if ((decryptedData == null) || (myEncryptionKey == null))
{
Status = Status.Encrypted;
return;
}
pos = 0;
Version = decryptedData.ReadVarInt(ref pos);
var senderKey = new Pubkey(decryptedData, ref pos);
if (!decryptedData.ReadBytes(ref pos, 20).SequenceEqual(myEncryptionKey.Hash))
{
//print 'The original sender of this message did not send it to you. Someone is attempting a Surreptitious Forwarding Attack.'
//print 'See: http://world.std.com/~dtd/sign_encrypt/sign_encrypt7.html'
//print 'your toRipe:', toRipe.encode('hex')
//print 'embedded destination toRipe:', decryptedData[readPosition:readPosition + 20].encode('hex')
return;
}
KeyTo = myEncryptionKey.Name;
KeyFrom = senderKey.Name;
EncodingType = (EncodingType)decryptedData.ReadVarInt(ref pos);
decryptedData.ReadVarStrSubjectAndBody(ref pos, out _subject, out _body);
UInt64 askDataLength = decryptedData.ReadVarInt(ref pos);
_askData = decryptedData.ReadBytes(ref pos, (int)askDataLength);
int posOfEndMsg = pos;
UInt64 signatureLength = decryptedData.ReadVarInt(ref pos);
byte[] signature = decryptedData.ReadBytes(ref pos, (int)signatureLength);
var data = new byte[posOfEndMsg];
Buffer.BlockCopy(decryptedData, 0, data, 0, posOfEndMsg);
if (data.ECDSAVerify(senderKey.SigningKey, signature))
{
Status = Status.Valid;
senderKey.SaveAsync(bm.DB);
}
}
catch
{
Status = Status.Invalid;
}
}
public Msg(Bitmessage bm)
{
_bm = bm;
}
public Msg(Bitmessage bm, Payload payload)
{
Status = Status.Invalid;
try
{
int pos = payload.FirstByteAfterTime;
_inventoryVector = payload.InventoryVector;
Stream = payload.SentData.ReadVarInt(ref pos);
byte[] encrypted = payload.SentData.ReadBytes(ref pos, payload.Length - pos);
// TODO Check ask data
byte[] decryptedData = null;
PrivateKey myEncryptionKey = null;
foreach (PrivateKey myKey in bm.ListMyAddresses())
{
if (myKey.Stream != _stream) continue;
try
{
decryptedData = myKey.DecryptAES256CBC4Msg(encrypted);
myEncryptionKey = myKey;
}
// ReSharper disable EmptyGeneralCatchClause
catch
{
} // ReSharper restore EmptyGeneralCatchClause
if (decryptedData != null)
break;
}
if ((decryptedData == null) || (myEncryptionKey == null))
{
Status = Status.Encrypted;
return;
}
pos = 0;
Version = decryptedData.ReadVarInt(ref pos);
var senderKey = new Pubkey(decryptedData, ref pos);
if (!decryptedData.ReadBytes(ref pos, 20).SequenceEqual(myEncryptionKey.Hash))
//print 'The original sender of this message did not send it to you. Someone is attempting a Surreptitious Forwarding Attack.'
//print 'See: http://world.std.com/~dtd/sign_encrypt/sign_encrypt7.html'
//print 'your toRipe:', toRipe.encode('hex')
//print 'embedded destination toRipe:', decryptedData[readPosition:readPosition + 20].encode('hex')
return;
KeyTo = myEncryptionKey.Name;
KeyFrom = senderKey.Name;
EncodingType = (EncodingType) decryptedData.ReadVarInt(ref pos);
decryptedData.ReadVarStrSubjectAndBody(ref pos, out _subject, out _body);
UInt64 askDataLength = decryptedData.ReadVarInt(ref pos);
_askData = decryptedData.ReadBytes(ref pos, (int) askDataLength);
int posOfEndMsg = pos;
UInt64 signatureLength = decryptedData.ReadVarInt(ref pos);
byte[] signature = decryptedData.ReadBytes(ref pos, (int) signatureLength);
var data = new byte[posOfEndMsg];
Buffer.BlockCopy(decryptedData, 0, data, 0, posOfEndMsg);
if (data.ECDSAVerify(senderKey.SigningKey, signature))
{
Status = Status.Valid;
senderKey.SaveAsync(bm.DB);
}
}
catch
{
Status = Status.Invalid;
}
}
public Msg(Bitmessage bm)
{
_bm = bm;
}
