/usr/include/xsec/enc/OpenSSL/OpenSSLCryptoHash.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 | /**
* 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
*
* OpenSSLCryptoHash := OpenSSL Implementation of SHA1
*
* Author(s): Berin Lautenbach
*
* $Id: OpenSSLCryptoHash.hpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
#ifndef OPENSSLCRYPTOHASHSHA1_INCLUDE
#define OPENSSLCRYPTOHASHSHA1_INCLUDE
#include <xsec/framework/XSECDefs.hpp>
#include <xsec/enc/XSECCryptoHash.hpp>
// OpenSSL Includes
#if defined (XSEC_HAVE_OPENSSL)
# include <openssl/evp.h>
/**
* @ingroup opensslcrypto
*/
/**
* \brief Interface definition for Hash functions.
*
* Uses the OpenSSL EVP_digest functions to implement the various
* hash functions required by the OpenSSL library.
*
*/
class DSIG_EXPORT OpenSSLCryptoHash : public XSECCryptoHash {
public :
/** @name Constructors and Destructors */
//@{
OpenSSLCryptoHash(XSECCryptoHash::HashType alg);
virtual ~OpenSSLCryptoHash();
//@}
/** @name HMAC Functions */
//@{
/**
*\brief
*
* Does nothing. If the required function is an HMAC function,
* then OpenSSLCryptoHashHMAC should be used.
*
* @param key The key the HMAC function should use.
*/
virtual void setKey(XSECCryptoKey * key) {}
//@}
/** @name Digest/Hash functions */
//@{
/**
* \brief Rest the hash function
*
* Re-initialises the digest structure.
*/
virtual void reset(void);
/**
* \brief Hash some data.
*
* Take length bytes of data from the data buffer and update the hash
* that already exists. This function may (and normally will) be called
* many times for large blocks of data.
*
* @param data The buffer containing the data to be hashed.
* @param length The number of bytes to be read from data
*/
virtual void hash(unsigned char * data,
unsigned int length);
/**
* \brief Finish up a Digest operation and read the result.
*
* This call tells the CryptoHash object that the input is complete and
* to finalise the Digest. The output of the digest is read into the
* hash buffer (at most maxLength bytes)
*
* @param hash The buffer the hash should be read into.
* @param maxLength The maximum number of bytes to be read into hash
* @returns The number of bytes copied into the hash buffer
*/
virtual unsigned int finish(unsigned char * hash,
unsigned int maxLength);// Finish and get hash
//@}
/** @name Information functions */
//@{
/**
*\brief
*
* Determine the hash type of this object
*
* @returns The hash type
*/
virtual HashType getHashType(void) const;
/**
* \brief Get OpenSSL hash context structure
*/
EVP_MD_CTX * getOpenSSLEVP_MD_CTX(void) {return &m_mdctx;}
//@}
private:
// Not implemented constructors
OpenSSLCryptoHash();
EVP_MD_CTX m_mdctx; // Context for digest
const EVP_MD * mp_md; // Digest instance
unsigned char m_mdValue[EVP_MAX_MD_SIZE]; // Final output
unsigned int m_mdLen; // Length of digest
HashType m_hashType; // What type of hash is this?
};
#endif /* XSEC_HAVE_OPENSSL */
#endif /* OPENSSLCRYPTOHASHSHA1_INCLUDE */
|