public void Wrap(byte[] message, out byte[] encryptedBuffer)
{
encryptedBuffer = null;
WindowsAPI.SECURITY_HANDLE encryptionContext = _clientContextHandle;
WindowsAPI.SecPkgContext_Sizes contextSizes = new WindowsAPI.SecPkgContext_Sizes();
{
var resultCode = WindowsAPI.QueryContextAttributes(ref encryptionContext, WindowsAPI.SECPKG_ATTR_SIZES, out contextSizes);
if (resultCode != WindowsAPI.SEC_E_OK)
{
throw WindowsAPI.CreateException(resultCode, "QueryContextAttribute() failed!!!");
}
}
WindowsAPI.MultipleSecBufferHelper[] secHelper = new WindowsAPI.MultipleSecBufferHelper[3];
secHelper[0] = new WindowsAPI.MultipleSecBufferHelper(contextSizes.cbSecurityTrailer, WindowsAPI.SecBufferType.SECBUFFER_TOKEN);
secHelper[1] = new WindowsAPI.MultipleSecBufferHelper(message, WindowsAPI.SecBufferType.SECBUFFER_DATA);
secHelper[2] = new WindowsAPI.MultipleSecBufferHelper(contextSizes.cbBlockSize, WindowsAPI.SecBufferType.SECBUFFER_PADDING);
WindowsAPI.SecBufferDesc descBuffer = new WindowsAPI.SecBufferDesc(secHelper);
try
{
var resultCode = WindowsAPI.EncryptMessage(ref encryptionContext, WindowsAPI.SECQOP_WRAP_NO_ENCRYPT, ref descBuffer, 0);
if (resultCode != WindowsAPI.SEC_E_OK)
{
throw WindowsAPI.CreateException(resultCode, "EncryptMessage() failed!!!");
}
encryptedBuffer = descBuffer.GetSecBufferByteArray();
}
finally
{
descBuffer.Dispose();
}
}
public void Wrap(byte[] message, out byte[] encryptedBuffer)
{
encryptedBuffer = null;
WindowsAPI.SECURITY_HANDLE encryptionContext = _clientContextHandle;
WindowsAPI.SecPkgContext_Sizes contextSizes = new WindowsAPI.SecPkgContext_Sizes();
{
var resultCode = WindowsAPI.QueryContextAttributes(ref encryptionContext, WindowsAPI.SECPKG_ATTR_SIZES, out contextSizes);
if (resultCode != WindowsAPI.SEC_E_OK)
throw WindowsAPI.CreateException(resultCode, "QueryContextAttribute() failed!!!");
}
WindowsAPI.MultipleSecBufferHelper[] secHelper = new WindowsAPI.MultipleSecBufferHelper[3];
secHelper[0] = new WindowsAPI.MultipleSecBufferHelper(contextSizes.cbSecurityTrailer, WindowsAPI.SecBufferType.SECBUFFER_TOKEN);
secHelper[1] = new WindowsAPI.MultipleSecBufferHelper(message, WindowsAPI.SecBufferType.SECBUFFER_DATA);
secHelper[2] = new WindowsAPI.MultipleSecBufferHelper(contextSizes.cbBlockSize, WindowsAPI.SecBufferType.SECBUFFER_PADDING);
WindowsAPI.SecBufferDesc descBuffer = new WindowsAPI.SecBufferDesc(secHelper);
try
{
var resultCode = WindowsAPI.EncryptMessage(ref encryptionContext, WindowsAPI.SECQOP_WRAP_NO_ENCRYPT, ref descBuffer, 0);
if (resultCode != WindowsAPI.SEC_E_OK)
throw WindowsAPI.CreateException(resultCode, "EncryptMessage() failed!!!");
encryptedBuffer = descBuffer.GetSecBufferByteArray();
}
finally
{
descBuffer.Dispose();
}
}