/*

* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

* Generate an RSA key.

*

*/

/**

 @file

*/

#include <stdio.h>

#include <openssl/crypto.h>

#include <openssl/rand.h>

#include <openssl/rsa.h>

#include <openssl/bn.h>

#include "utils.h"

#ifndef BOOL

#define BOOL int

#define TRUE 1

#define FALSE 0

#endif

static void printRSAKey(RSA* key)

    {

    printf("static RSA* createRSAKey()\n");

    printf("\t{\n");

    printCBN("n_data", key->n);

    printCBN("e_data", key->e);

    printCBN("d_data", key->d);

    printf("\tRSA* key = RSA_new();\n");

    printf("\tkey->n = BN_new();\n");

    printf("\tkey->e = BN_new();\n");

    printf("\tkey->d = BN_new();\n");

    printf("\tBN_bin2bn(n_data, n_data_len, key->n);\n");

    printf("\tBN_bin2bn(e_data, e_data_len, key->e);\n");

    printf("\tBN_bin2bn(d_data, d_data_len, key->d);\n");

    printf("\treturn key;\n");

    printf("\t}\n");

    }

static const char rnd_seed[] = "string to make the random number generator think it has entropy";

static void badUsage()

    {

    printf("usage: gen_rsakey\n");

    exit(1);

    }

int main(int argc, char **argv)

	{

	RSA *rsa;

	int modulus_size = 1024;

	int exponent = 65537;	

    if (argc > 1)

        badUsage();

	RAND_seed(rnd_seed, sizeof rnd_seed);

	rsa = RSA_generate_key(modulus_size, exponent, NULL, NULL);

    printRSAKey(rsa);

	return 0;

	}