| private UpdateHandshakeData ( byte message, int offset, int len ) : void | ||
| message | byte | |
| offset | int | |
| len | int | |
| return | void | |
private void ProcessHandshake()
{
bool read;
do
{
read = false;
/*
* We need the first 4 bytes, they contain type and length of
* the message.
*/
if (handshakeQueue.Available >= 4)
{
byte[] beginning = new byte[4];
handshakeQueue.Read(beginning, 0, 4, 0);
MemoryStream bis = new MemoryStream(beginning, false);
short type = TlsUtilities.ReadUint8(bis);
int len = TlsUtilities.ReadUint24(bis);
/*
* Check if we have enough bytes in the buffer to read
* the full message.
*/
if (handshakeQueue.Available >= (len + 4))
{
/*
* Read the message.
*/
byte[] buf = new byte[len];
handshakeQueue.Read(buf, 0, len, 4);
handshakeQueue.RemoveData(len + 4);
/*
* RFC 2246 7.4.9. "The value handshake_messages includes all
* handshake messages starting at client hello up to, but not
* including, this finished message. [..] Note: [Also,] Hello Request
* messages are omitted from handshake hashes."
*/
switch (type)
{
case HP_HELLO_REQUEST:
case HP_FINISHED:
break;
default:
rs.UpdateHandshakeData(beginning, 0, 4);
rs.UpdateHandshakeData(buf, 0, len);
break;
}
/*
* Now, parse the message.
*/
ProcessHandshakeMessage(type, buf);
read = true;
}
}
}while (read);
}
private void ProcessHandshake()
{
bool flag;
do
{
flag = false;
if (mHandshakeQueue.Available >= 4)
{
byte[] array = new byte[4];
mHandshakeQueue.Read(array, 0, 4, 0);
byte b = TlsUtilities.ReadUint8(array, 0);
int num = TlsUtilities.ReadUint24(array, 1);
if (mHandshakeQueue.Available >= num + 4)
{
byte[] array2 = mHandshakeQueue.RemoveData(num, 4);
CheckReceivedChangeCipherSpec(mConnectionState == 16 || b == 20);
switch (b)
{
default:
{
TlsContext context = Context;
if (b == 20 && mExpectedVerifyData == null && context.SecurityParameters.MasterSecret != null)
{
mExpectedVerifyData = CreateVerifyData(!context.IsServer);
}
mRecordStream.UpdateHandshakeData(array, 0, 4);
mRecordStream.UpdateHandshakeData(array2, 0, num);
break;
}
case 0:
break;
}
HandleHandshakeMessage(b, array2);
flag = true;
}
}
}while (flag);
}
