/* * Copyright (C) 2001 Christian Hohnstaedt. * *  All rights reserved. * * *  Redistribution and use in source and binary forms, with or without  *  modification, are permitted provided that the following conditions are met: * *  - Redistributions of source code must retain the above copyright notice, *    this list of conditions and the following disclaimer. *  - Redistributions in binary form must reproduce the above copyright notice, *    this list of conditions and the following disclaimer in the documentation *    and/or other materials provided with the distribution. *  - Neither the name of the author nor the names of its contributors may be  *    used to endorse or promote products derived from this software without *    specific prior written permission. * * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * This program links to software with different licenses from: * *	http://www.openssl.org which includes cryptographic software * 	written by Eric Young (eay@cryptsoft.com)" * *	http://www.sleepycat.com * *	http://www.trolltech.com *  * * * http://www.hohnstaedt.de/xca * email: christian@hohnstaedt.de * * $Id: asn1int.cpp,v 1.8 2003/07/03 05:58:18 chris2511 Exp $ * */                           #include "asn1int.h"#include <openssl/bn.h>ASN1_INTEGER *a1int::dup(const ASN1_INTEGER *a) const{	// this wrapper casts the const to work around the nonconst	// declared ASN1_STRING_dup (actually it is const	return ASN1_INTEGER_dup((ASN1_INTEGER *)a);}a1int::a1int(){	in = ASN1_INTEGER_new();	ASN1_INTEGER_set(in, 0);}a1int::a1int(const ASN1_INTEGER *i){	in = dup(i);	if (!in)		in = ASN1_INTEGER_new();}a1int::a1int(const a1int &a){	in = dup(a.in);	if (!in)		in = ASN1_INTEGER_new();}a1int::a1int(long l){	in = ASN1_INTEGER_new();	set(l);}a1int::~a1int(){	ASN1_INTEGER_free(in);}a1int &a1int::set(const ASN1_INTEGER *i){	ASN1_INTEGER_free(in);	in = dup(i);	return *this;}a1int &a1int::set(long l){	ASN1_INTEGER_set(in, l);	return *this;}QString a1int::toHex() const{	QString r = "--";	if (in->length == 0) {		return r;	}	BIGNUM *bn = ASN1_INTEGER_to_BN(in, NULL);	char *res = BN_bn2hex(bn);	r = res;	OPENSSL_free(bn);	OPENSSL_free(res);	return r;}QString a1int::toDec() const{	QString r = "--";	if (in->length == 0) {		return r;	}	BIGNUM *bn = ASN1_INTEGER_to_BN(in, NULL);	char *res = BN_bn2dec(bn);	r = res;	OPENSSL_free(bn);	OPENSSL_free(res);	return r;}ASN1_INTEGER *a1int::get() const{	return dup(in);}long a1int::getLong() const{	return ASN1_INTEGER_get(in);}a1int &a1int::operator ++ (void){	BIGNUM *bn = ASN1_INTEGER_to_BN(in, NULL);	BN_add(bn, bn, BN_value_one());	BN_to_ASN1_INTEGER(bn, in);	OPENSSL_free(bn);	return *this;}a1int a1int::operator ++ (int){	a1int tmp = *this;	operator ++ ();	return tmp;}a1int &a1int::operator = (const a1int &a){	set(a.in);	return *this;}a1int &a1int::operator = (long i){	ASN1_INTEGER_set(in, i);	return *this;}bool a1int::operator > (const a1int &a) const{	return (ASN1_INTEGER_cmp(in, a.in) == 1);}bool a1int::operator < (const a1int &a) const{	return (ASN1_INTEGER_cmp(in, a.in) == -1);}bool a1int::operator == (const a1int &a) const{	return (ASN1_INTEGER_cmp(in, a.in) == 0);}bool a1int::operator != (const a1int &a) const{	return (ASN1_INTEGER_cmp(in, a.in) != 0);}unsigned char *a1int::i2d(unsigned char *p){       	unsigned char *mp = p;	i2d_ASN1_INTEGER(in, &mp);	return mp;}        int a1int::derSize() const{       	return i2d_ASN1_INTEGER(in, NULL);}       //if (a->length > sizeof(long))