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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 GDCMOPENSSLCRYPTOGRAPHICMESSAGESYNTAX_H
#define GDCMOPENSSLCRYPTOGRAPHICMESSAGESYNTAX_H
#include "gdcmCryptographicMessageSyntax.h"
#include <openssl/cms.h>
#include <openssl/evp.h>
namespace gdcm
{
class GDCM_EXPORT OpenSSLCryptographicMessageSyntax : public CryptographicMessageSyntax
{
public:
OpenSSLCryptographicMessageSyntax();
~OpenSSLCryptographicMessageSyntax();
// X.509
bool ParseCertificateFile( const char *filename );
bool ParseKeyFile( const char *filename );
// PBE
bool SetPassword(const char * pass, size_t passLen);
/// Set Cipher Type.
/// Default is: AES256_CIPHER
void SetCipherType(CipherTypes type);
CipherTypes GetCipherType() const;
/// create a CMS 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:
//#ifdef GDCM_HAVE_CMS_RECIPIENT_PASSWORD
// ::stack_st_X509 *recips;
//#else
STACK_OF(X509) *recips;
//#endif
::EVP_PKEY *pkey;
const EVP_CIPHER *internalCipherType;
char * password;
size_t passwordLength;
CipherTypes cipherType;
private:
OpenSSLCryptographicMessageSyntax(const OpenSSLCryptographicMessageSyntax&); // Not implemented.
void operator=(const OpenSSLCryptographicMessageSyntax&); // Not implemented.
const EVP_CIPHER *CreateCipher( CryptographicMessageSyntax::CipherTypes ciphertype);
};
} // end namespace gdcm
#endif //GDCMOPENSSLCRYPTOGRAPHICMESSAGESYNTAX_H
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