/usr/include/xsec/enc/XSCrypt/XSCryptCryptoBase64.hpp is in libxml-security-c-dev 1.7.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | /**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* XSEC
*
* XSCryptCryptoBase64 := Internal implementation of a base64 encoder/decoder
*
* Author(s): Berin Lautenbach
*
* $Id: XSCryptCryptoBase64.hpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
#ifndef XSCRYPTCRYPTOBASE64_INCLUDE
#define XSCRYPTCRYPTOBASE64_INCLUDE
#include <xsec/framework/XSECDefs.hpp>
#include <xsec/enc/XSECCryptoBase64.hpp>
#include <xsec/utils/XSECSafeBuffer.hpp>
/**
* @defgroup xscryptcrypto Internal Crypto API Interface
* @ingroup crypto
* The XSCrypt Interface provides cryptographic functions that are missing
* from other libraries.
*
* Currently this only provides Base64 functionality which is not
* available in the Windows Crypto API.
*
*/
class DSIG_EXPORT XSCryptCryptoBase64 : public XSECCryptoBase64 {
public :
// Constructors/Destructors
XSCryptCryptoBase64() : m_state(B64_UNINITIALISED) {};
virtual ~XSCryptCryptoBase64() {};
/** @name Decoding Functions */
//@{
/**
* \brief Initialise the base64 object.
*
* Initialises the OpenSSL decode context and gets ready for data
* to be decoded.
*
*/
virtual void decodeInit(void); // Setup
/**
* \brief Decode some passed in data.
*
* Decode the passed in data and place the data in the outData buffer
*
* @param inData Pointer to the buffer holding encoded data.
* @param inLength Length of the encoded data in the buffer
* @param outData Buffer to place decoded data into
* @param outLength Maximum amount of data that can be placed in
* the buffer.
* @returns The number of bytes placed in the outData buffer.
*/
virtual unsigned int decode(const unsigned char * inData,
unsigned int inLength,
unsigned char * outData,
unsigned int outLength);
/**
* \brief Finish off a decode.
*
* Clean out any extra data from previous decode operations and place
* into the outData buffer.
*
* @param outData Buffer to place any remaining decoded data
* @param outLength Max amount of data to be placed in the buffer.
* @returns Amount of data placed in the outData buffer
*/
virtual unsigned int decodeFinish(unsigned char * outData,
unsigned int outLength);
//@}
/** @name Encoding Functions */
//@{
/**
* \brief Initialise the base64 object for encoding
*
* Get the context variable ready for a base64 decode
*
*/
virtual void encodeInit(void);
/**
* \brief Encode some passed in data.
*
* @param inData Pointer to the buffer holding data to be encoded.
* @param inLength Length of the data in the buffer
* @param outData Buffer to place encoded data into
* @param outLength Maximum amount of data that can be placed in
* the buffer.
* @returns The number of bytes placed in the outData buffer.
*/
virtual unsigned int encode(const unsigned char * inData,
unsigned int inLength,
unsigned char * outData,
unsigned int outLength);
/**
* \brief Finish off an encode.
*
* Take any data from previous encode operations and create the
* tail of the base64 encoding.
*
* @param outData Buffer to place any remaining encoded data
* @param outLength Max amount of data to be placed in the buffer.
* @returns Amount of data placed in the outData buffer
*/
virtual unsigned int encodeFinish(unsigned char * outData,
unsigned int outLength);
//@}
private :
enum b64state {
B64_UNINITIALISED,
B64_ENCODE,
B64_DECODE
};
safeBuffer m_inputBuffer; // Carry over buffer
safeBuffer m_outputBuffer; // Carry over output
unsigned int m_remainingInput; // Number of bytes in carry input buffer
unsigned int m_remainingOutput; // Number of bytes in carry output buffer
bool m_allDone; // End found (=)
b64state m_state; // What are we currently doing?
unsigned int m_charCount; // How many characters in current line?
// Private functions
void canonicaliseInput(const unsigned char *inData, unsigned int inLength);
};
#endif /* XSCRYPTCRYPTOBASE64_INCLUDE */
|