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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#ifndef GDCMCRYPTOGRAPHICMESSAGESYNTAX_H
#define GDCMCRYPTOGRAPHICMESSAGESYNTAX_H
#include "gdcmTypes.h"
namespace gdcm
{
class CryptographicMessageSyntaxInternals;
//-----------------------------------------------------------------------------
/**
* \brief
* Class for CryptographicMessageSyntax encryption. This is just a simple
* wrapper around openssl PKCS7_encrypt functionalities
*
* See online documentation
* http://www.openssl.org/docs/crypto/PKCS7_encrypt.html
*
*/
class GDCM_EXPORT CryptographicMessageSyntax
{
public :
CryptographicMessageSyntax();
~CryptographicMessageSyntax();
// X.509
bool ParseCertificateFile( const char *filename );
bool ParseKeyFile( const char *filename );
typedef enum {
DES_CIPHER, // DES
DES3_CIPHER, // Triple DES
AES128_CIPHER, // CBC AES
AES192_CIPHER, // ' '
AES256_CIPHER // ' '
} CipherTypes;
/// Set Cipher Type.
/// Default is: AES256_CIPHER
void SetCipherType(CipherTypes type);
CipherTypes GetCipherType() const;
/// create a PKCS#7 envelopedData structure
bool Encrypt(char *output, size_t &outlen, const char *array, size_t len) const;
/// decrypt content from a PKCS#7 envelopedData structure
bool Decrypt(char *output, size_t &outlen, const char *array, size_t len) const;
private:
CryptographicMessageSyntaxInternals *Internals;
private:
CryptographicMessageSyntax(const CryptographicMessageSyntax&); // Not implemented.
void operator=(const CryptographicMessageSyntax&); // Not implemented.
};
} // end namespace gdcm
//-----------------------------------------------------------------------------
#endif //GDCMCRYPTOGRAPHICMESSAGESYNTAX_H
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