/*
?*???Component?of?the?D-ITG?2.8.1?（r1023）?platform?（http://traffic.comics.unina.it/software/ITG）
?*
?*???Copyright?????:?（C）?2004-2013?by?Alessio?Botta?Walter?de?Donato?Alberto?Dainotti
?*??????????????????????????????????????Stefano?Avallone?Antonio?Pescape‘?（PI）
?*??????????????????????????????????????COMICS?（COMputer?for?Interaction?and?CommunicationS）?Group
?*??????????????????????????????????????Department?of?Electrical?Engineering?and?Information?Technologies
?*??????????????????????????????????????University?of?Napoli?“Federico?II“.
?*???email?????????:?a.botta@unina.it?walter.dedonato@unina.it?alberto@unina.it
?*???????????????????stavallo@unina.it?pescape@unina.it
?*
?*???This?program?is?free?software:?you?can?redistribute?it?and/or?modify
?*???it?under?the?terms?of?the?GNU?General?Public?License?as?published?by
?*???the?Free?Software?Foundation?either?version?3?of?the?License?or
?*???（at?your?option）?any?later?version.
?*?
?*???This?program?is?distributed?in?the?hope?that?it?will?be?useful
?*???but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*???MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
?*???GNU?General?Public?License?for?more?details.
?*?		?????
?*???You?should?have?received?a?copy?of?the?GNU?General?Public?License
?*???along?with?this?program.??If?not?see?.
?*				?????
?*???For?commercial?use?please?refer?to?D-ITG?Professional.
?*/



#ifdef?CRYPTO
#include?
#include?

void?generate_key（）
{
	RSA?*RSAreceiver;
	FILE?*keyReceiver1;
	FILE?*keyReceiver2;
	keyReceiver1?=?fopen（“KeyReceiverPubblica“?“w“）;
	keyReceiver2?=?fopen（“KeyReceiverPrivata“?“w“）;
	RSAreceiver?=?RSA_generate_key（1024?17?0?0）;
	
	PEM_write_RSAPublicKey（keyReceiver1?RSAreceiver）;
	PEM_write_RSAPrivateKey（keyReceiver2?RSAreceiver?0?0?0?0?0）;
	fclose（keyReceiver1）;
	fclose（keyReceiver2）;

	RSA?*RSAsender;
	FILE?*KeySender1;
	FILE?*KeySender2;
	KeySender1?=?fopen（“KeySenderPubblica“?“w“）;
	KeySender2?=?fopen（“KeySenderPrivata“?“w“）;
	RSAsender?=?RSA_generate_key（1024?17?0?0）;
	
	PEM_write_RSAPublicKey（KeySender1?RSAsender）;
	PEM_write_RSAPrivateKey（KeySender2?RSAsender?0?0?0?0?0）;
	
	fclose（KeySender1）;
	fclose（KeySender2）;
}

int?autenticazioneSender（int?signaling）
{
	char?*next;
	int?size;
	BYTE?type?=?10;
	unsigned?char?Messaggio[256];
	unsigned?char?MessaggioCodificato[256];
	unsigned?char?MessaggioCodificato2[256];
	unsigned?char?MessaggioOriginale[]?=?“fantozzi?alla?riscossa“;
	unsigned?char?MessaggioOriginale2[256];
	unsigned?char?buffer[3000];
	generate_key（）;
	int?plen?=?sizeof（MessaggioOriginale）?-?1;
	RSA?*RSAreceiver;
	FILE?*keyReceiver;
	keyReceiver?=?fopen（“KeyReceiverPubblica“?“r“）;
	PEM_read_RSAPublicKey（keyReceiver?&RSAreceiver?0?0）;
	fclose（keyReceiver）;

	
	size?=?RSA_public_encrypt（plen?MessaggioOriginale?MessaggioCodificato?RSAreceiver?RSA_PKCS1_PADDING）;	
	cout?<