/// <summary>
/// The import key.
/// </summary>
/// <param name="protectionKeyContext">
/// The protection key context.
/// </param>
/// <param name="keyData">
/// The key data.
/// </param>
/// <param name="keyDataLength">
/// The key data length.
/// </param>
/// <param name="flags">
/// The flags.
/// </param>
/// <returns>
/// The <see cref="KeyContext"/>.
/// </returns>
/// <exception cref="Win32Exception">
/// </exception>
private KeyContext ImportKey(KeyContext protectionKeyContext, byte[] keyData, int keyDataLength, int flags)
{
var protectionKeyHandler = IntPtr.Zero;
if (protectionKeyContext != null)
{
protectionKeyHandler = protectionKeyContext.Handler;
}
var keyHandler = IntPtr.Zero;
if (!CryptoApi.CryptImportKey(cspHandler, keyData, keyDataLength, protectionKeyHandler, flags, ref keyHandler))
{
throw new Win32Exception();
}
var keyContext = new KeyContext(keyHandler);
return(keyContext);
}
