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/**
* XML Security Library (http://www.aleksey.com/xmlsec).
*
* Simple Big Numbers processing.
*
* This is free software; see Copyright file in the source
* distribution for preciese wording.
*
* Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>
*/
#ifndef __XMLSEC_BN_H__
#define __XMLSEC_BN_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#include <libxml/tree.h>
#include <xmlsec/xmlsec.h>
#include <xmlsec/buffer.h>
typedef xmlSecBuffer xmlSecBn,
*xmlSecBnPtr;
/**
* xmlSecBnFormat:
* @xmlSecBnBase64: the base64 decoded binary blob.
* @xmlSecBnHex: the hex number.
* @xmlSecBnDec: the decimal number.
*
* The big numbers formats.
*/
typedef enum {
xmlSecBnBase64,
xmlSecBnHex,
xmlSecBnDec
} xmlSecBnFormat;
XMLSEC_EXPORT xmlSecBnPtr xmlSecBnCreate (xmlSecSize size);
XMLSEC_EXPORT void xmlSecBnDestroy (xmlSecBnPtr bn);
XMLSEC_EXPORT int xmlSecBnInitialize (xmlSecBnPtr bn,
xmlSecSize size);
XMLSEC_EXPORT void xmlSecBnFinalize (xmlSecBnPtr bn);
XMLSEC_EXPORT xmlSecByte* xmlSecBnGetData (xmlSecBnPtr bn);
XMLSEC_EXPORT int xmlSecBnSetData (xmlSecBnPtr bn,
const xmlSecByte* data,
xmlSecSize size);
XMLSEC_EXPORT xmlSecSize xmlSecBnGetSize (xmlSecBnPtr bn);
XMLSEC_EXPORT void xmlSecBnZero (xmlSecBnPtr bn);
XMLSEC_EXPORT int xmlSecBnFromString (xmlSecBnPtr bn,
const xmlChar* str,
xmlSecSize base);
XMLSEC_EXPORT xmlChar* xmlSecBnToString (xmlSecBnPtr bn,
xmlSecSize base);
XMLSEC_EXPORT int xmlSecBnFromHexString (xmlSecBnPtr bn,
const xmlChar* str);
XMLSEC_EXPORT xmlChar* xmlSecBnToHexString (xmlSecBnPtr bn);
XMLSEC_EXPORT int xmlSecBnFromDecString (xmlSecBnPtr bn,
const xmlChar* str);
XMLSEC_EXPORT xmlChar* xmlSecBnToDecString (xmlSecBnPtr bn);
XMLSEC_EXPORT int xmlSecBnMul (xmlSecBnPtr bn,
int multiplier);
XMLSEC_EXPORT int xmlSecBnDiv (xmlSecBnPtr bn,
int divider,
int* mod);
XMLSEC_EXPORT int xmlSecBnAdd (xmlSecBnPtr bn,
int delta);
XMLSEC_EXPORT int xmlSecBnReverse (xmlSecBnPtr bn);
XMLSEC_EXPORT int xmlSecBnCompare (xmlSecBnPtr bn,
const xmlSecByte* data,
xmlSecSize dataSize);
XMLSEC_EXPORT int xmlSecBnCompareReverse (xmlSecBnPtr bn,
const xmlSecByte* data,
xmlSecSize dataSize);
XMLSEC_EXPORT int xmlSecBnGetNodeValue (xmlSecBnPtr bn,
xmlNodePtr cur,
xmlSecBnFormat format,
int reverse);
XMLSEC_EXPORT int xmlSecBnSetNodeValue (xmlSecBnPtr bn,
xmlNodePtr cur,
xmlSecBnFormat format,
int reverse,
int addLineBreaks);
XMLSEC_EXPORT int xmlSecBnBlobSetNodeValue (const xmlSecByte* data,
xmlSecSize dataSize,
xmlNodePtr cur,
xmlSecBnFormat format,
int reverse,
int addLineBreaks);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __XMLSEC_BN_H__ */
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