dcsignat.h

/*
 *
 *  Copyright (C) 1998-2005, OFFIS
 *
 *  This software and supporting documentation were developed by
 *
 *    Kuratorium OFFIS e.V.
 *    Healthcare Information and Communication Systems
 *    Escherweg 2
 *    D-26121 Oldenburg, Germany
 *
 *  THIS SOFTWARE IS MADE AVAILABLE,  AS IS,  AND OFFIS MAKES NO  WARRANTY
 *  REGARDING  THE  SOFTWARE,  ITS  PERFORMANCE,  ITS  MERCHANTABILITY  OR
 *  FITNESS FOR ANY PARTICULAR USE, FREEDOM FROM ANY COMPUTER DISEASES  OR
 *  ITS CONFORMITY TO ANY SPECIFICATION. THE ENTIRE RISK AS TO QUALITY AND
 *  PERFORMANCE OF THE SOFTWARE IS WITH THE USER.
 *
 *  Module: dcmsign
 *
 *  Author: Marco Eichelberg
 *
 *  Purpose:
 *    classes: DcmSignature
 *
 *  Last Update:      $Author: meichel $
 *  Update Date:      $Date: 2005/12/08 16:04:29 $
 *  CVS/RCS Revision: $Revision: 1.3 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */

#ifndef DCMSIGN_H
#define DCMSIGN_H

#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmsign/sitypes.h"

#ifdef WITH_OPENSSL

#include "dcmtk/dcmdata/dcxfer.h"  /* for E_TransferSyntax */

#define INCLUDE_CSTDIO
#include "dcmtk/ofstd/ofstdinc.h"

class DcmItem;
class DcmStack;
class DcmSequenceOfItems;
class DcmAttributeTag;
class SiPrivateKey;
class SiCertificate;
class SiSecurityProfile;
class SiMAC;
class SiTimeStamp;

class DcmSignature
{
public:
  static void initializeLibrary();

  DcmSignature();
 
  virtual ~DcmSignature();

  void attach(DcmItem *dataset);  
  
  void detach();

  OFCondition createSignature(
    SiPrivateKey& key, 
    SiCertificate& cert, 
    SiMAC& mac,
    SiSecurityProfile& profile, 
    E_TransferSyntax xfer=EXS_LittleEndianExplicit,
    const DcmAttributeTag *tagList=NULL,
    SiTimeStamp *timeStamp=NULL);

  unsigned long numberOfSignatures();

  OFCondition removeSignature(unsigned long i);

  OFCondition selectSignature(unsigned long i);
  
  OFCondition verifyCurrent();

  OFCondition getCurrentMacID(Uint16& macID);

  OFCondition getCurrentMacXferSyntaxName(OFString& str);

  OFCondition getCurrentMacName(OFString& str);

  OFCondition getCurrentSignatureUID(OFString& str);

  OFCondition getCurrentSignatureDateTime(OFString& str);

  OFCondition getCurrentDataElementsSigned(DcmAttributeTag& desig);

  SiCertificate *getCurrentCertificate();
  
  void setDumpFile(FILE *f);

  static DcmItem *findFirstSignatureItem(DcmItem& item, DcmStack& stack);

  static DcmItem *findNextSignatureItem(DcmItem& item, DcmStack& stack);

private:

  DcmSignature(DcmSignature& arg);

  DcmSignature& operator=(DcmSignature& arg);

  void deselect();

  OFCondition allocateMACID(Uint16& newID);
  
  static Uint16 getMACIDnumber(DcmItem &item);

  static void currentDateTime(OFString &str);

  DcmItem *currentItem;

  DcmSequenceOfItems *macParametersSq;

  DcmSequenceOfItems *signatureSq;

  FILE *dumpFile;

  DcmItem *selectedSignatureItem;

  DcmItem *selectedMacParametersItem;

  SiCertificate *selectedCertificate;  
  
};

#endif
#endif

/*
 *  $Log: dcsignat.h,v $
 *  Revision 1.3  2005/12/08 16:04:29  meichel
 *  Changed include path schema for all DCMTK header files
 *
 *  Revision 1.2  2003/06/04 14:21:03  meichel
 *  Simplified include structure to avoid preprocessor limitation
 *    (max 32 #if levels) on MSVC5 with STL.
 *
 *  Revision 1.1  2002/12/20 14:53:08  wilkens
 *  Modified name clash resulting in a compiler error on Solaris 2.5.1 using
 *  compiler SC 2.0.1.
 *
 *  Revision 1.5  2002/11/27 14:53:40  meichel
 *  Adapted module dcmsign to use of new header file ofstdinc.h
 *
 *  Revision 1.4  2001/11/16 15:50:49  meichel
 *  Adapted digital signature code to final text of supplement 41.
 *
 *  Revision 1.3  2001/09/26 14:30:18  meichel
 *  Adapted dcmsign to class OFCondition
 *
 *  Revision 1.2  2001/06/01 15:50:46  meichel
 *  Updated copyright header
 *
 *  Revision 1.1  2000/11/07 16:48:51  meichel
 *  Initial release of dcmsign module for DICOM Digital Signatures
 *
 *
 */

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