/// <summary>
/// Initialization constructor for byte array
/// </summary>
/// <param name="buffer">Data</param>
internal SecBufferDesc(byte[] buffer)
{
// Set version to SECBUFFER_VERSION
Version = 0;
// We have only one buffer
BufferCount = 1;
// Allocate security buffer
var secBuffer = new SecBuffer(buffer);
// Allocate native memory for managed block
BuffersPtr = Marshal.AllocHGlobal(Marshal.SizeOf(secBuffer));
try
{
// Copy managed data into the native memory
Marshal.StructureToPtr(secBuffer, BuffersPtr, false);
}
catch (Exception)
{
// Delete native memory
Marshal.FreeHGlobal(BuffersPtr);
// Reset native buffer pointer
BuffersPtr = IntPtr.Zero;
// Re-throw exception
throw;
}
}
/// <summary>
/// Initialization constructor
/// </summary>
/// <param name="size">Size of the buffer to allocate</param>
internal SecBufferDesc(int size)
{
// Set version to SECBUFFER_VERSION
Version = 0;
// Set the number of buffers
BufferCount = 1;
// Allocate a security buffer of the requested size
var secBuffer = new SecBuffer(size);
// Allocate a native chunk of memory for security buffer
BuffersPtr = Marshal.AllocHGlobal(Marshal.SizeOf(secBuffer));
try
{
// Copy managed data into the native memory
Marshal.StructureToPtr(secBuffer, BuffersPtr, false);
}
catch (Exception)
{
// Delete native memory
Marshal.FreeHGlobal(BuffersPtr);
// Reset native buffer pointer
BuffersPtr = IntPtr.Zero;
// Re-throw exception
throw;
}
}