1 /** 

     2  * XML Security Library (http://www.aleksey.com/xmlsec).

     3  *

     4  * Base64 encode/decode transform and utility functions.

     5  *

     6  * This is free software; see Copyright file in the source

     7  * distribution for preciese wording.

     8  * 

     9  * Copyright (C) 2002-2003 Aleksey Sanin <aleksey@aleksey.com>

    10  * Portion Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 

    11  */

    12 #ifndef __XMLSEC_BASE64_H__

    13 #define __XMLSEC_BASE64_H__    

    14 

    15 #ifdef __cplusplus

    16 extern "C" {

    17 #endif /* __cplusplus */ 

    18 

    19 #include <libxml2_tree.h>

    20 #include "xmlsec_config.h"

    21 #include "xmlsec_xmlsec.h"

    22 #include "xmlsec_transforms.h"

    23 

    24 /**

    25  * XMLSEC_BASE64_LINESIZE:

    26  *

    27  * The default maximum base64 encoded line size.

    28  */

    29 #define XMLSEC_BASE64_LINESIZE				64

    30 

    31 /**

    32  * Base64 Context

    33  */

    34 typedef struct _xmlSecBase64Ctx 				xmlSecBase64Ctx, 

    35 								*xmlSecBase64CtxPtr;

    36 

    37 XMLSEC_EXPORT xmlSecBase64CtxPtr xmlSecBase64CtxCreate		(int encode, 

    38 								 int columns);

    39 XMLSEC_EXPORT void		xmlSecBase64CtxDestroy		(xmlSecBase64CtxPtr ctx);

    40 XMLSEC_EXPORT int		xmlSecBase64CtxInitialize	(xmlSecBase64CtxPtr ctx,

    41 								 int encode, 

    42 								 int columns);

    43 XMLSEC_EXPORT void		xmlSecBase64CtxFinalize		(xmlSecBase64CtxPtr ctx);

    44 XMLSEC_EXPORT int 		xmlSecBase64CtxUpdate		(xmlSecBase64CtxPtr ctx,

    45 								 const xmlSecByte *in, 

    46 						    		 xmlSecSize inSize, 

    47 								 xmlSecByte *out,

    48 								 xmlSecSize outSize);

    49 XMLSEC_EXPORT int		xmlSecBase64CtxFinal		(xmlSecBase64CtxPtr ctx,

    50 								 xmlSecByte *out,

    51 								 xmlSecSize outSize);

    52 

    53 /**

    54  * Standalone routine to do base64 encode/decode "at once"

    55  */

    56 XMLSEC_EXPORT xmlChar*		xmlSecBase64Encode		(const xmlSecByte *buf,

    57 								 xmlSecSize len,

    58 								 int columns);

    59 XMLSEC_EXPORT int		xmlSecBase64Decode		(const xmlChar* str,

    60 								 xmlSecByte *buf,

    61 								 xmlSecSize len);

    62 

    63 #ifdef __cplusplus

    64 }

    65 #endif /* __cplusplus */

    66 

    67 #endif /* __XMLSEC_BASE64_H__ */

    68