00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "<WebSig>" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 2001, Institute for 00053 * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>. 00054 * The development of this software was partly funded by the European 00055 * Commission in the <WebSig> project in the ISIS Programme. 00056 * For more information on the Apache Software Foundation, please see 00057 * <http://www.apache.org/>. 00058 */ 00059 00060 /* 00061 * XSEC 00062 * 00063 * XSCryptCryptoBase64 := Internal implementation of a base64 encoder/decoder 00064 * 00065 * Author(s): Berin Lautenbach 00066 * 00067 * $Id: XSCryptCryptoBase64.hpp,v 1.1 2003/04/07 12:11:54 blautenb Exp $ 00068 * 00069 */ 00070 00071 #ifndef XSCRYPTCRYPTOBASE64_INCLUDE 00072 #define XSCRYPTCRYPTOBASE64_INCLUDE 00073 00074 #include <xsec/framework/XSECDefs.hpp> 00075 #include <xsec/enc/XSECCryptoBase64.hpp> 00076 #include <xsec/utils/XSECSafeBuffer.hpp> 00077 00078 class DSIG_EXPORT XSCryptCryptoBase64 : public XSECCryptoBase64 { 00079 00080 00081 public : 00082 00083 // Constructors/Destructors 00084 00085 XSCryptCryptoBase64() : m_state(B64_UNINITIALISED) {}; 00086 virtual ~XSCryptCryptoBase64() {}; 00087 00088 // Decoding Activities 00089 virtual void decodeInit(void); // Setup 00090 virtual unsigned int decode(unsigned char * inData, 00091 unsigned int inLength, 00092 unsigned char * outData, 00093 unsigned int outLength); // decode 00094 virtual unsigned int decodeFinish(unsigned char * outData, 00095 unsigned int outLength);// Finish 00096 00097 // Encoding activities 00098 virtual void encodeInit(void); // Setup 00099 virtual unsigned int encode(unsigned char * inData, 00100 unsigned int inLength, 00101 unsigned char * outData, 00102 unsigned int outLength); // decode 00103 virtual unsigned int encodeFinish(unsigned char * outData, 00104 unsigned int outLength); // Finish 00105 00106 private : 00107 00108 enum b64state { 00109 00110 B64_UNINITIALISED, 00111 B64_ENCODE, 00112 B64_DECODE, 00113 }; 00114 00115 safeBuffer m_inputBuffer; // Carry over buffer 00116 safeBuffer m_outputBuffer; // Carry over output 00117 00118 unsigned int m_remainingInput; // Number of bytes in carry input buffer 00119 unsigned int m_remainingOutput; // Number of bytes in carry output buffer 00120 00121 bool m_allDone; // End found (=) 00122 00123 b64state m_state; // What are we currently doing? 00124 00125 unsigned int m_charCount; // How many characters in current line? 00126 00127 // Private functions 00128 void canonicaliseInput(unsigned char *inData, unsigned int inLength); 00129 00130 }; 00131 00132 #endif /* XSCRYPTCRYPTOBASE64_INCLUDE */