#include <stdio.h>

#include <openssl/bn.h>
#include <openssl/rsa.h>

int main()
{
	RSA *r;

	r = RSA_generate_key(2048,RSA_F4,NULL,NULL);

	if( r==NULL ) { 
		printf("Key failed");
		exit(1);
	} else {
		printf("public modulus (n):\n");
		printf("   %s\n",BN_bn2hex(r->n));

		printf("public exponent (e):\n");
		printf("   %s\n",BN_bn2hex(r->e));

		printf("private exponent (d):\n");
		printf("   %s\n",BN_bn2hex(r->d));

		printf("secret prime factor (p):\n");
		printf("   %s\n",BN_bn2hex(r->p));
		printf("secret prime factor (q):\n");
		printf("   %s\n",BN_bn2hex(r->q));

		printf("dmp1 [ d mod (p-1) ]:\n");
		printf("   %s\n",BN_bn2hex(r->dmp1));
		printf("dmq1 [ d mod (q-1) ]:\n");
		printf("   %s\n",BN_bn2hex(r->dmq1));

		printf("iqmp [ q^-1 mod p ]:\n");
		printf("   %s\n",BN_bn2hex(r->iqmp));
	}	

	printf("RSA SIZE: %d\n", RSA_size(r));

	return(0);
}