internal SecBufferDesc(MultipleSecBufferHelper[] secBufferBytesArray)
{
if (secBufferBytesArray == null || secBufferBytesArray.Length == 0)
{
throw new ArgumentException("secBufferBytesArray cannot be null or 0 length");
}
ulVersion = (int)SecBufferType.SECBUFFER_VERSION;
cBuffers = secBufferBytesArray.Length;
//Allocate memory for SecBuffer Array....
pBuffers = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(SecBuffer)) * cBuffers);
for (int Index = 0; Index < secBufferBytesArray.Length; Index++)
{
//Super hack: Now allocate memory for the individual SecBuffers
//and just copy the bit values to the SecBuffer array!!!
SecBuffer ThisSecBuffer = new SecBuffer(secBufferBytesArray[Index].Buffer,
secBufferBytesArray[Index].BufferType);
//We will write out bits in the following order:
//int cbBuffer;
//int BufferType;
//pvBuffer;
//Note: that we won't be releasing the memory allocated by ThisSecBuffer until we
//are disposed...
int CurrentOffset = Index * Marshal.SizeOf(typeof(SecBuffer));
Marshal.WriteInt32(pBuffers, CurrentOffset, ThisSecBuffer.cbBuffer);
int length = CurrentOffset + Marshal.SizeOf(ThisSecBuffer.cbBuffer);
Marshal.WriteInt32(pBuffers, length, ThisSecBuffer.BufferType);
length = CurrentOffset + Marshal.SizeOf(ThisSecBuffer.cbBuffer) +
Marshal.SizeOf(ThisSecBuffer.BufferType);
Marshal.WriteIntPtr(pBuffers, length, ThisSecBuffer.pvBuffer);
}
}
public SecBufferDesc(byte[] secBufferBytes)
{
ulVersion = (int)SecBufferType.SECBUFFER_VERSION;
cBuffers = 1;
SecBuffer ThisSecBuffer = new SecBuffer(secBufferBytes);
pBuffers = Marshal.AllocHGlobal(Marshal.SizeOf(ThisSecBuffer));
Marshal.StructureToPtr(ThisSecBuffer, pBuffers, false);
}
