#include <Core/Core.h>
#include <openssl/aes.h>
#include <AESStream/AESStream.h>

using namespace Upp;

CONSOLE_APP_MAIN
{
	AESInit();

	// Generate cryptographically stable key
	String key(AESRandomString(32));

	// Encryption
	String sIn,sOut;
	sIn = "qwertyuiop[p\tasdfghjkl;zxcvbnm,./quwiueqiwueoiquweioquweioquweiqwueicuwinuqiweqiwue	pqiueci	eiqniuriryuweyruweyruewrycuwbrurbywuyrwquiercbbcrebrquwey";
	AESEncoderStream aesEncoder(sIn.GetLength(), key);
	aesEncoder << sIn.Left(10);
	aesEncoder << sIn.Mid(10,10);
	aesEncoder << sIn.Right(sIn.GetLength() - 20);

	sOut << aesEncoder; //do streamed encoding
	
	// Decryption
	//key.Set(0, 'a'); //uncomment to see what happens with wrong key
	AESDecoderStream aesDecoder(key);
	
	aesDecoder << sOut.Left(15); //you may add by parts
	aesDecoder << sOut.Right(sOut.GetLength() - 15);
	
	try
	{
		String sDecoded;
		sDecoded << aesDecoder; //throw exception if key is wrong
		
		Cout() << (sDecoded == sIn) << "\n\n"; //check if all converted successfully
	}
	catch (const char *xp)
	{
		Cout() << "\n!!Error: " << ToSystemCharset(xp);
	}
}