rsa_crypto.h

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#ifndef RSA_CRYPTO_CLASS
#define RSA_CRYPTO_CLASS

/*****************************************************************************\
*                                                                             *
*  Name   : RSA public key encryption                                         *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 2005-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/

#include "crypto_dll.h"

#include <basis/object_base.h>

// forward.
struct rsa_st;


class CRYPTO_CLASS_STYLE RSA_crypto : public virtual object_base
{
public:
  RSA_crypto(int key_size);

  RSA_crypto(const byte_array &key);

  RSA_crypto(rsa_st *key);

  RSA_crypto(const RSA_crypto &to_copy);

  virtual ~RSA_crypto();

  const RSA_crypto &operator = (const RSA_crypto &to_copy);

  IMPLEMENT_CLASS_NAME("RSA_crypto");

  bool set_key(byte_array &key);

  bool set_key(rsa_st *key);

  bool check_key(rsa_st *key);

  bool public_encrypt(const byte_array &source, byte_array &target) const;

  bool private_decrypt(const byte_array &source, byte_array &target) const;

  bool private_encrypt(const byte_array &source, byte_array &target) const;

  bool public_decrypt(const byte_array &source, byte_array &target) const;

  bool public_key(byte_array &pubkey) const;
  bool private_key(byte_array &privkey) const;

  static rsa_st *generate_key(int key_size);

private:
  rsa_st *_key;  
};

#endif

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