97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
|
/*
|
||
|
|
*
|
||
|
|
* 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: Marco Eichelberg
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* classes: SiMD5
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SIMD5_H
|
||
|
|
#define SIMD5_H
|
||
|
|
|
||
|
|
#include "dcmtk/config/osconfig.h"
|
||
|
|
#include "dcmtk/dcmsign/simac.h"
|
||
|
|
#include "dcmtk/dcmsign/sitypes.h"
|
||
|
|
|
||
|
|
#ifdef WITH_OPENSSL
|
||
|
|
|
||
|
|
struct MD5state_st;
|
||
|
|
typedef struct MD5state_st MD5_CTX;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* a class implementing the hash function MD5
|
||
|
|
*/
|
||
|
|
class DCMTK_DCMSIGN_EXPORT SiMD5 : public SiMAC
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
/// default constructor
|
||
|
|
SiMD5();
|
||
|
|
|
||
|
|
/// destructor
|
||
|
|
virtual ~SiMD5();
|
||
|
|
|
||
|
|
/** 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
|
||
|
|
SiMD5(SiMD5& arg);
|
||
|
|
|
||
|
|
/// private undefined copy assignment operator
|
||
|
|
SiMD5& operator=(SiMD5& arg);
|
||
|
|
|
||
|
|
/// OpenSSL MD5 context
|
||
|
|
MD5_CTX *ctx;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif
|