/usr/include/dcmtk/dcmsign/sisha1.h is in libdcmtk-dev 3.6.1~20160216-4.
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 | /*
*
* Copyright (C) 1998-2011, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmsign
*
* Author: Norbert Loxen, Marco Eichelberg
*
* Purpose:
* classes: SiSHA1
*
*/
#ifndef SISHA1_H
#define SISHA1_H
#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmsign/simac.h"
#include "dcmtk/dcmsign/sitypes.h"
#ifdef WITH_OPENSSL
struct SHAstate_st;
typedef struct SHAstate_st SHA_CTX;
/**
* a class implementing the hash function SHA1
*/
class DCMTK_DCMSIGN_EXPORT SiSHA1 : public SiMAC
{
public:
/// default constructor
SiSHA1();
/// destructor
virtual ~SiSHA1();
/** initializes the MAC algorithm.
* @return status code
*/
virtual OFCondition initialize();
/** feeds data into the MAC algorithm
* @param data pointer to raw data to be fed into the MAC, must not be NULL
* @param length number of bytes in raw data array
* @return status code
*/
virtual OFCondition digest(const unsigned char *data, unsigned long length);
/** finalizes the MAC and writes it to the given output array,
* which must be at least getSize() bytes large.
* After a call to finalize, the MAC algorithm must be initialized
* again, see initialize().
* @param result pointer to array of getSize() bytes into which the MAC is written
* @return status code
*/
virtual OFCondition finalize(unsigned char *result);
/** returns the size of a MAC in bytes.
* @return block size for this MAC algorithm
*/
virtual unsigned long getSize() const;
/** returns the type of MAC algorithm computed by this object
* @return type of MAC algorithm
*/
virtual E_MACType macType() const;
/** returns the DICOM identifier for this MAC algorithm
* @return DICOM defined term for algorithm
*/
virtual const char *getDefinedTerm() const;
private:
/// private undefined copy constructor
SiSHA1(SiSHA1& arg);
/// private undefined copy assignment operator
SiSHA1& operator=(SiSHA1& arg);
/// OpenSSL SHA1 context
SHA_CTX *ctx;
};
#endif
#endif
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